1983] FERNANDO: NENGA 59

ceous, with sparse to numerous ramenta ical or subglobose; stigma conical, 3-lobed; along costae on abaxial surface; basal ­ ovule parietal; staminodes short or indis­ lets often narrower than the rest, usually tinct. Infructescence pendulous, with 2­ 1-2 costate, long-acuminate at tips; mid­ 4, rarely 5-7 branches densely covered dle leaflets 1-5 costate, long-acuminate at with or with a single clublike head tips; terminal leaflet pair 1-8 costate, of fruits. ripening orange-brown to sometimes joined at the base to several brick red or purplish-black, oblong to cm along the rachis, long-acuminate or ellipsoid or ovoid to fusiform, usually gradually narrowed or slightly toothed at prominently beaked and tipped with the tips. infrafoliar or rarely 3-lobed stigma; epicarp smooth, glabrous; interfoliar; pendulous or erect, protan­ mesocarp fibrous; endocarp smooth, shiny drous (Dransfield, pers. comm.); prophyll within. attached laterally to the ensiform or lanceolate, usually soon endocarp, cylindrical-ellipsoid to ovoid, caducous or rarely long-persisting through abruptly or gradually acute to acuminate anthesis, peduncular bract triangular, or spinescent at tip; base shallowly or acuminate or ovate, often membranous; deeply concave intruded, rounded-sub­ peduncle often not more than 5 cm long truncate to truncate; endosperm rumi­ (much longer in N. gajah), flattened; nate; embryo basal. Type species: Nenga rachillae 2-4, sometimes 5, but rarely to pumila (Mart.) H. A. Wendl. 6 or 7, each subtended by a triangular, often membranous bract; triads (one pis­ Key to the Species of Nenga tillate between two staminate) spirally 1. InRorescence interfoliar, peduncle long, to ca. arranged to more than half of axis length 25 cm; prophyll long-persisting through anthe­ from proximal end, distal portion all sta­ sis; sepals of staminate Rower minute, trian­ minate, or rarely all staminate through­ gular or broadly ovate, much shorter than pet- als, not more than 1 mm long. __.._ N. gajak. out. Staminate soon caducous, very - Inflorescence infrafoliar, peduncle short, to ca. shortly pedicellate or sessile, the whole 5 cm; prophyll caducous; sepals of staminate angular, often trigonous, asymmet­ Rower subulate to narrowly triangular, much ric; sepals 3, free, valvate, linear-subulate longer than, equal or subequal to petals, more to very narrow lanceolate, usually cari­ than 3 mm long. .._.... . 2. 2. Stem caespitose; calyx of staminate Rower much nate dorsally, flexuous, unequal, or rarely longer than corolla N. pumila. minute and triangular (as in N. gajah); - Stem solitary; calyx of staminate Rower equal petals 3, free, valvate, elliptic or narrowly or subequal to corolla. 3. ovate to lanceolate, generally shorter than 3. Infructescence usually not more than 20 cm long; stem not more than 4 cm in diameter. _ or equal to subequal to sepals (oblong, ...... _...... N. ballaellsis. plane or cucullate and much longer than - Infructescence usually more than 20 cm long; sepals in N. gajah); stamens 6, filaments stem often more than 4 cm in diameter. __ ..._.... 4. short, anthers erect, linear-oblong, sagit­ 4. InRorescence with 3-4, rarely 5 branches; fruit tate at base or nearly so, basifixed; pistil­ ellipsoid; remnants of stigma less than 5 mm long, trilobed; seed short·ovoid, usually less than lode conical, minute. Pistillate flower ses­ 2 cm long, abruptly acute at apex. sile, ovoid to globose or subglobose, much ...... __ .__ _. __ N. maerocarpa. shorter than or subequal to the staminate - InRorescence with 2 branches; fruit ovoid to flower; perianth not clearly differentiated obclavate or obpyriform; remnants of stigma 5 mm or longer, only the upper half trilobed, the into calyx and corolla, often long-persist­ lower half entire; seed long.ovoid, usually more ing through fruiting stage; sepals 3, free, than 2 cm long, gradually acute to acuminate imbricate, broadly ovate, concave, some­ or slightly spinescent at apex..... N. grandiflora. times cucullate at tips, ciliolate along the margins; petals 3 as the sepals, slightly 1. Nenga pumila (Mart.) H. A. Wendl. shorter; ovary unilocular, ovoid to spher- in Kerch., Palm. 251 (1878) and in 60 PRINCIPES [VOL. 27

List of Palms in Kew Rep. 1882: 54 usually narrower than the rest, 1 costate, (1884); Koord., Exk. Fl. Java 1: 242 ca. 30-35 X 1 em, long-acuminate; mid­ (1911) (cited as N. pumila (BL) dle leaflets 2-3 costate, ca. 35-50 X 2.5­ WendL); Backer & Bakh. v.d. Brink 4.5 em, gradually narrowed at tips; ter­ Jr., Fl. Java 3: 193 (1968). - minal leaflet pair 3-7 costate, ca. 10­ 25 X 2-4.5 em, acuminate or slightly pumila Mart., Hist. Nat. Palm. 3: toothed at tips, sometimes joined to 7 em 177, t. 153 (1838) (non BL, in litt. et long at base along the rachis. Inflores­ non Griff.) (infructescence erroneously cence infrafoliar, pendulous; prophyll shown as erect), 312 (1853) (excL syn­ ensiform or lanceolate, rather thin, drying onym Areca (Anaclasmus) pumila chestnut-brown, caducous; peduncle short, Griff.); Miq., FL Ind. Bat. 3: 14 (1855) ca. (1) 1.5-3 (4.5) X 1.6 em, flattened, (excL var. pachystachya BL) and De glabrous; peduncular bract triangular­ Palm. Arch. Ind. 23 (1868). Type: t. acuminate, to 1.5 em long, 1.0 em at the 153 in Mart., i.e. base, membranous; rachillae usually 3-4, Areca nenga BL ex Mart., Hist. Nat. Palm rarely to 7, ca. 20-30 cm long, each sub­ 3: 179 (1838) (pro parte); Scheff. in tended by a triangular membranous bract Natuurk. Tijdschr. Ned. Ind. 32: 166 to 5 mm long. Staminate flower triangu­ (1873) (as A. 'nengah' BL). lar, or trigonous, asymmetric, flexuous; nenga (BL ex Mart.) BL in Rum­ sepals subequal, linear-subulate or very phia 2: 77, t. 107 (1839) (excL var. narrowly lanceolate, dorsally carinate, very pachystachya) (pistil erroneously drawn flexuous, ca. 1.0-1.5 cm long; petals nar­ with 2 locules). rowly ovate to lanceolate, straight to Nenga wendlandiana Scheff. in Ann. subfalcate, acuminate at tip, much shorter Jard. Bot. Buitenz. 1: 153, tab. 9-10 than sepals, ca. 5-7 X 1.5-2 mm; fila­ (1876) (excL synonym Areca hexasti­ ment short, to 1 mm long; anthers erect, cha Kurz); Becc. in Malesia 1: 25 linear, to 2 mm long, sagittate at base; (1877) (cited as N. wendlandiana (BL) pistillode conical, minute. Pistillate flower Scheff.) and in Ann. Jard. Bot. Buitenz. ovoid to subglobose; sepals to 3 X 3 mm; 2: 83 (1885)-nomen illegit. petals as the sepals or only slightly-smaller; Pinanga neglecta Burret in NotizbL Bot. ovary ovoid to spherical to 1.5 X 2 mm; Gart. Mus. Berlin-Dahlem 15: 204 stigma 3-lobed; staminodes indistinct. (1940). Type: Java, Reservat Depok, Infructescence pendulous, branches Burret 330 (Holotype B).-synon. nov. densely covered with fruits. Fruit ripening orange-brown, oblong to oblong-ellipsoid, ca. 1.8-2.0 X 0.8-1.0 em, tipped with a (a) Var. pumila circular, cushion-shaped stigma, the stig­ Slender palm with stems ca. 2-3 m matic lobes not prominently erect and long, rarely more, 2.5-5 (8) em diam., parted or only slightly so; epicarp drying clustering at the base; leaf scars promi­ with longitudinal, slightly anastomosing nent; internodes to 8 em long, smooth, ridges. Seed oblong-ovoid, ca. 8-11 X 5­ green to greenish-brown. Crownshaft elon­ 7 mm, abruptly acute to acuminate at tip; gate, cylindrical, to ca. 50 em long, rarely base rounded-truncate, shallowly con­ swollen. _Leaves 5 to 6 in crown, leaf cave-intruded. sheath ca. 40 cm long, dull greenish or Distribution and Habitat. West Java; yellowish-brown, ca. 30-50 em in mixed hill forest, also on limestone, ca. long, to 1.5 em diam. Leaflets to 25 on 150-1,300 m alt. Endemic. each side of the rachis, often drying grey­ Vernacular Names. Djambe ngenge, ish-green or light brown; basal leaflets Ngenge (Sundanese); Ngingi (Javanese). 1983] FERNANDO: NENGA 61

Specimens Examined: WEST JAVA: Pinanga nenga (BI. ex Mart.) BI. var. Pandeglang, Mandalawangi, G. Pulosari, pachystachya BI. in Rumphia 2: 78 600 m alt., fl. and fr., Dransfield 4184 (1839). Lectotype: (locality (K); Ciapus, ster., Herb. Lugd. Bat. 329 unknown), Korthals Sumatra No. 16 (L); G. Salak, fl. and fr., Herb. ]. C. (L). Schoute (L); Batavia, Ciampea, 150-200 Areca (Anaclasmus) pumila Griff. in Calc. m alt., fl., Koorders 30777B (L), Prean­ J. Nat. Hist. 5: 456 (1845) and Palm. ger, Takoka, ca. 1,200 malt., fr., Koor­ Br. India 151 (1850). ders 33370B (L); Localities unknown, Areca pumila Mart. in Mig., FI. Ind. Bat. ster., Herb. Lugd. Bat. 202, 328, 330­ 3: 14 (1855) and Prodr. FI. Sum. 253 335 (L), fl., Herb. Lugd. Bat. 197-199, (1860). 201, fr., Herb. Lugd. Bat. 203 (L), fr., Areca nenga sumatrana Scheff. in Blume s.n. (Herb. Lugd. Bat. 337) (Type Natuurk. Tijdschr. Ned. Ind. 32: 168 uf Pinanga nenga BI. var. (3 hanjawar; (1873) (as A."nengah"). Holotype L). Nenga schefferiana Becc. in Ann. Jard. Note. Pinanga neglecta Burret was Bot. Buitenz. 2: 84 (1885). Type: based on a collection from Reservat Depok Sumatra (locality unknown), Scheffer near Bogor in West Java. The holotype s.n. (Holotype FI).-synon. nov. (Burret 330) has not been found among Nenga intermedia Becc. in Ann. Jard. the remaining Burret palm collections in Bot. Buitenz. 2: 85 (1885) Type: Su­ Berlin. However, the original description matra, Padang, Sungei Bulu, Beccari matches N. pumila var. pumila and can­ PS 942 (Holotype FI; Isotypes BM, K). not be referred to any known Javanese Nenga wendlandiana Scheff. var. ma­ Pinanga (Dransfield, pers. comm.). P. laccensis Becc. in Malesia 3: 182 neglecta is, thus, here reduced to syn­ (1889); Becc. & Hook. L in Hook. L, onymy under N. pumila var. pumila. FI. Br. India 6: 142 (1892). Type: Nomenclatural Notes. Until 1935, this Malay Peninsula, Perak, Lamt, Kunst­ species was commonly known as Nenga ler 4022 (Holotype CAL (not seen); wendlandiana. The name was proposed Isotypes BM, K, L). by Scheffer in 1876 for the type species Nenga wendlandiana Scheff. var. of the , originally designated by malaccensis Becc. forma hexapetala Wendland and Drude (1875) as Pinanga Becc. in Malesia 3: 183 (1889). Type: nenga BI., but unfortunately no new com­ Malay Peninsula, Perak, Scortechini bination was made. The name N. wend­ s.n. (Holotype FI). landiana Scheff. is, however, illegitimate Nenga wendlandiana Scheff. in Ridley, as was discussed by Furtado (1935). Mat. FI. Mal. Pen. 2: 144 (1907) (excl. Wendland (1878) who strictly followed the synonyms Pinanga nenga BI. et Nenga rule of priority, provided the correct and pumila Wend!.) and FI. Mal. Pen. 5: valid combination-Nenga pumila (Mart.) 12 (1925). H. A. Wendl.-based on Areca pumila Mart., which is an earlier validly published Caespitose, slender to moderate palm name for Pinanga nenga BI. Furtado with stems sometimes stilt-rooted at the (1935) discussed in detail this particular base, ca. 3-5 m long, (2) 3-6 (8) cm nomenclatural problem and gave satisfac­ diam.; internodes to ca. 10 cm long, tory reasons why N. wendlandiana should smooth, bright green to brown. Crown­ be rejected and N. pumila accepted. shaft elongate, cylindrical, ca. 35-80 cm long, only slightly swollen. to 7 in (b) Var. pachystachya (BI.) E. Fer­ crown, leaf sheath ca. 25-60 cm long, nando, comb. nov. pale green to greenish or yellowish-white; 62 PRINCIPES [VOL. 27 petiole ca. 4-50 cm long, to 1.5 cm diam. Distribution and Habitat. S. Thailand, Leaflets to 30 on each side of the rachis, Malay Peninsula, Singapore, Sumatra, often drying dull reddish-brown; basal leaf­ Bangka, and ; along the landward lets 1 costate, ca. 25-40 X 0.5-1.0 cm, edge of mangrove or in dense humid Dip­ long-acuminate; middle leaflets 2-3 cos­ terocarp forest on hillslopes or river val­ tate, rarely 4 or 5 costate, ca. 35-70 X leys, also in heath forest on sandstone or 2-4 (5) cm, long-acuminate; terminal leaf­ granitic sand, to ca. 1,100 malt. let pair 3-6 costate, rarely to 10 costate, Vernacular Names. Kache (Thailand); ca. 20-40 X (1.5) 2-2.5 (4) cm, acumin­ Rasau, Pinang horaiung (Borneo); Ker­ ate or slightly toothed at tips, sometimes edan, Pinang muring (Malay Peninsula); joined to 4 cm at the base along the rachis, Pinang unoo (Singapore); Kajoe djambe rarely more. Inflorescence infrafoliar, (Sumatra). pendulous; prophyll ensiform or lanceo­ Specimens Examined. S. THAILAND: late, ca. (18) 20-25 (70) X 1.5-3.0 cm, Pato: Langsuan, 100 malt., fr., Kerr drying chestnut-brown, caducous; pedun­ 12122 (BM, K); Ranawang: Lam Lieng, cle ca. 1.5-3.0 (4) X 0.4-1.3 cm, flat­ 50 malt., fr., Kerr 11727 (K), la-un, tened, glabrous; peduncular bract trian­ 150 malt., fr., Kerr 16483 (BM, K), gular to narrowly triangular, acuminate, Muang Len, 150 m alt., fl., Hansen & ca. 8-15 X 8-10 mm, membranous; Smitinand 11944 (L); Terutao: Satul, fl., rachilla 2-4, usually 3, rarely to 6, ca. Kerr 14227 (BM, K).-MALAY PEN­ (15) 20-35 (50) cm long, to 6 mm thick, INSULA: Langkawi Is.: Burau, fl. and fr., each subtended by a membranous trian­ Robinson 6264 (K); Kelantan: Sungei gular bract to 10 mm long. Staminate Keteh, fr., Md. Nur SFN 12001 (K); flower triangular, asymmetric, flexuous; Perak: Larut, fl. and fr., Kunstler 4022 sepals subequal, linear-subulate or very (Type of N. wendlandiana Scheff. var. narrowly lanceolate, dorsally carinate, very malaccensis Becc.; Isotypes BM, K, L), flexuous, ca. 9-13 (20) mm long; petals Gopeng, G. Cantek, fr., Furtado SFN elliptic to lanceolate, acuminate, straight 33084 (BH, K, L).-Locality unknown, to subfalcate, much shorter than sepals, fl., Scortechini s.n. (Type of N. wend­ ca. 5-7 (9) X 2-2.5 mm; filaments 1-2 Landiana Scheff. var. malaccensis Becc. mm long; anthers erect, linear, ca. 1.5­ forma hexapetala Becc.; Holotype FI); 2 mm long, sagittate at base; pistillode Pahang, Temerloh, Kemansul Forest conical, minute. Pistillate flower ovoid to Reserve, fl., Hamid 10580 (K) Selangor: subglobose, shorter than the staminate Klang, Bt. Canggang, fl. and fr., Md. Nur flower; sepals ca. 3-4 mm X 4 mm, pet­ SFN 33998 (BM, K), Ulu Gombak, fl. als as the sepals, or sometimes only slightly and fr., Ridley s.n. (K), Lampang Mines, smaller; ovary ovoid to spherical, to 1.5 fr., Ridley 15880 (K); Negri Sembilan: mm X 2 mm; stigma distinctly 3-lobed; G. Angsi, fr., Md. Nur SFN 11707 (K); staminodes indistinct. Infructescence pen­ lohore: between G. Blumut and G. Bacya, dulous, branches densely covered with fl., Holttum SFN 10843 (K), Telerau, fruits. Fruit ripening brick-red, oblong to Bunei, fl., Ridley 13236 (BM, K), Mer­ oblong-ovoid or ovoid-ellipsoid, ca. (2) 2.4­ sing, Jemeluang Forest Reserve, 100 m 3 X 1-1.5 (1.8) cm, beaked, tipped with alt., fr., Dransfield 895 (K) fr., Moore & a prominent 3-lobed stigma to 2 mm high, Pennington 9053, 9056, 9071 (BH), the lobes erect; epicarp often drying with Kluang Forest Reserve, ster., Tan Ah shallow dimples. Seed broadly ovoid, ca. King 16, 17 (K); Locality unknown, fr., 10-15 mm X 7-9 mm, acuminate to spi­ Furtado s.n. (BH).-SINGAPORE: Sele­ nescent at tip, base rounded-truncate, tar: Nee Soon area, fl. and fr., Maxwell shallowly concave-intruded. 77-80 (L), fr., Ridley 3164 (BM, K); 1983] FERNANDO: NENGA 63 lurong: fr., Corner SFN 26101 (BH, BM, CULTIVATED: Singapore Bot. Gard., fr., K): Chenchu Kang: fl., Corporal 3162 Flippance s.n. (K). (BM), fl., Ridley s.n. (BM); Mandai Rd: The two varieties in N. pumila may be fr., Sinclair s.n. (K).-SUMATRA: keyed out as follows: Langkat: Bohorok, Bt. Lawang, 450 m - Fruit usually smaller, ca. 1.8-2.0 X 0.8-1.0 alt., fr., Dransfield 3147 (K, L); Siga­ cm, ripening orange.brown, tipped by a circular mata: near Rantau Parapat, fl., Toroes cushion.shaped stigma, mature pericarp drying 3244 (L); Payakumbuh: Taram, 500­ with longitudinal ridges; seed often narrower, 1,000 m alt., fl. and fr., Meijer 6880, ca. 5-7 mm wide, oblong or narrowly ovoid, 6972 (L), fl., Meijer 7010 (L); Padang: abruptly acute to acuminate at tip ...... N. pumila var. pumila. Sungei Bulu, fl. and fr., Beccari PS942 - Fruit usually larger, ca. (2.0) 2.4-3 X 1.0-1.5 (Type of N. intermedia, Holotype FI; Iso­ (1.8) cm, ripening brick-red, tipped by a coni­ types BM, K); Jambi: Sungei Penuh, cal, prominently trilobed stigma, mature peri­ Tapan, 700 m alt., fl., Dransfield & carp drying with broad shallow dimples; seed often broader, ca. 7-9 mm wide, broadly ovoid, Mogea 4130 (L); Palembang: Bt. Sebu­ acuminate to spinescent at tip..._.._.... rong, Negeri Batin, Muara Dua, 250 m ...... N. pumila var. pachystachya. alt., fl. Dransfield & Saerudin 2438 (L), Locality unknown, fr., Kostermans 12081 Notes: Nenga pumila var. pachy­ (L); Bengkulu: Kepahiang, 700 m alt., fl. stachya is the most widespread of the taxa and fr., Dransfield 3571 (K, L), 3572 in the genus; until recently it was regarded (L); Kerang Berak: S. Sumatra 1st Nature as inseparable from the typical variety Reserve, 100 m alt., fl. and fr., Drans­ from West Java. field 1256 (L); Localities unknown: Kor­ N. schefferiana is here reduced to syn­ thals? 16 (Lectotype of Pinanga nenga onymy under the variety. Figures of flow­ BI. var. pachystachya, L), Korthals s.n. ers, fruit and seed (based on the type of (L) (fragments of inflorescence only); ster., N. schefferiana collected by Scheffer) Blume s.n. (Herb. Ludg. Bat. 335-336) mounted on a herbarium sheet at Kew (L).-BANGKA IS: Lobok Besar: G. Pad­ show staminate flowers with extremely long ing, fr., Kosterman & Anta 913 (L).­ sepals. A specimen in Leiden (? Korthals BORNEO: Sabah: Semporna Mapat Sumatra No. 16) also cited by Beccari Reserve, Timbun Mata F.R., fl. and fr., (1885) in the original publication of N. Puasa BNB For. Dept. 7412 (K); Sepi­ schefferiana, containing only a fragment 10k, Kabili, Bakarit, fr., Agama BNB For. of an inflorescence branch, likewise has Dept. 7265 (L); Keningau, 100 malt., staminate flowers with immensely long fl., Dransfield 5517 (K); Elphinstone sepals. This is apparently only a size dif­ Prov., near Tawau, fr., Elmer 21256 (BM, ference; similar specimens have never been K); Sarawak: Niah, G. Subis, fl. and fr., collected again. Moore (1963) had earlier Mohidin 521628 (K); 1st Division, Lundu hinted that N. schefferiana might be no District, G. Pueh Forest Reserve, near more than a variety of N. pumila. N. Bahuching, fr., fames et al. 534611 (BH); intermedia was based on a collection by 4th Division, Ulu Koyan, Mt. Dulit, 800 Beccari himself from Sungei Bulu near m alt., fl., Richards 2020 (K); 5th Divi­ Padang (Beccari PS 942) with leaves sion, Lawas, Ulu Sungei Masia, Kota F.R., having very short petioles. To this species 1,100 m alt., fl. and fr., Tong & fugah Beccari (1885) also referred a collection 532923 (BH); Baleh, Ulu Mujong, 950 from Ching Forest in Malacca, Malay Pen­ m alt., fl., Ashton 513996 (BH, K); Kal­ insula, earlier described by Griffith (1845) imantan Selatan: Barabai, Pergunungan as Areca (Anaclasmus) pumila, also with Meratus, 800 m alt., fl., Dransfield 2829 a short petiole. Griffith's species was later (L); Locality unknown: fl., Low s.n. (K).- cited by Beccari (1889) as a synonym of 64 PRINCIPES [VOL. 27

N. wendlandiana var. malaccensis, but 20 X 3-4 cm, green; petiole ca. 20-30 X Beccari preferred to maintain N. inter­ 1 cm. Leaflets often drying dark greyish­ media from Sumatra as a distinct species. green to greenish-brown; basal leaflets More recent collections have, however, narrow, 1-2 costate, ca. 23-37 X (0.6) revealed much overlapping in variation 1.0-2 (2.3) cm, long-acuminate; middle between the Malayan and Sumatran pop­ leaflets 2-3 costate, ca. 30-40 X 2.5-5 ulations. Ridley (1907) had much earlier cm, long-acuminate; terminal leaflet pair recognized this by reducing N. intermedia 2-6 costate, ca. 21-35 X 1.7-5.5 cm, to synonymy under N. wendlandiana. acuminate or slightly toothed at apex. Beccari (1889) described N. wend­ Inflorescence infrafoliar, pendulous; pro­ landiana var. malaccensis forma hex­ phyll ensiform or lanceolate, ca. lOX apetala based on a single collection (Scor­ 3.5-4.0 cm, caducous; peduncle short, ca. techini s.n.) from Perak with staminate 1.0-1.5 X 8 mm, flattened, glabrous; flowers having 6 petals in two series. This peduncular bract triangular or ovate, to must be considered as a monstrosity. The ca. 6 mm long, membranous; rachillae 4­ material from South Thailand and Borneo 6, ca. 5-20 cm long, to 5 mm thick, represent the first published records of the glabrous, each subtended by a triangular, genus in these areas. N. pumila var. membranous bract to 2 X 4 mm. Stami­ pachystachya does not appear to me suf­ nate flower triangular, asymmetric; sepals ficiently disjunct in reproductive charac­ equal or subequal, subulate, dorsally car­ ters to justify its separation as a distinct inate, ca. 4-7 mm long; petals broadly species from N. pumila. elliptic, obtuse at tip, equal to sepals; fil­ ament short, ca. 0.5-1.0 mm long, anthers 2. Nenga banaensis (Magalon) Burret erect to ca. 1.5 mm long, slightly cordate­ in Notizbl. Bot. Gart. Mus. Berlin-Dah­ sagittate at base; pistillode indistinct. Pis­ lem 13: 347 (1936). tillate flower globose to subglobose, slightly shorter than the staminate flower; sepals Pinanga banaensis Magalon, Contrib. ca. 3-5 X 3-4 mm, petals as the sepals, Etude. Palm. Indochine. Franc. 149 sometimes smaller; ovary subglobose, ca. (1930) and in Feddes Repert 28: 112 1.5 X 1 mm; stigma obscurely 3-lobed; (1930). Type: Indo-China, Tourane, Mt. staminodes indistinct. Infructescence pen­ Bana, Magalon s.n. (Holotype P). dulous, the branches often with rather Areca banaensis (Magalon) Burret in short dead tips. Immature fruit oblong­ Notizbl. Bot. Gart. Mus. Berlin-Dahlem ellipsoid, ca. lOX 5-6 mm, tipped with 13: 198 (1936). a prominent 3-lobed stigma; endocarp Nenga nannospadix (Burret) Burret in apparently smooth. Seed not known. otizbl. Bot. Gart. Mus. Berlin-Dahlem Distribution and Habitat. Indo-China; 13: 347 (1936)-synon. nov. in humid forest on granitic soil. Endemic. Pinanga nannospadix Burret in Feddes Vernacular Name. Cay cau rung. Repert. 32: 116 (1933). Type: Indo­ Specimens Examined. INDO-CHINA: China, Annam, Mt. Bani, ]. & M. S. Tourane: Mt. Bana, fl. and fr., Magalon Clemens 4398 (Isotype K). s.n. (Holotype P); Mt. Bani, fl. and fr., J. Areca microspadix Burret in Notizbl. Bot. & M. S. Clemens 4398 (Type of N. nan­ Gart. Mus. Berlin-Dahlem 13: 198 nospadix (Burret) Burret; Isotype K); (1936). Locality unknown: fl., Polaine 7246 (K). Solitary, slender palm, with stem to ca. Notes. This species is still incompletely 3 m long, 3.5 cm diam. Crownshaft elon­ known; mature fruits and have never gate, cylindrical, slightly robust. Leaves been collected. The specimens represent­ spreading in crown; leaf sheath ca. 15- ing this species in the herbarium contain