Materials for a Monograph of Freycinetia Gaud. () XIII A New Species from Ternate Island, Moluccas' BENJ AM IN C. STONE2

AMONGTHE RICH COLLECTIONS of Pandanaceae ad 5) subumbellatae, bracteis ftavido-albis ad in the herbaria of Bogor (no) and Leiden (L) 19 em longis, carnoso-coriaceis, integris acutis, are numerou s specimens of Freycinetia collected interiores angustis profunde canaliculatis 8- 11 in Ternate by V. M. A. Beguin. The greater em longis, 5-9 mm latis, vel linearibus et part of these represent a species which had been trigon atis. Spadix mascula c. 12 em longa , 5 mm given a new name in manuscript by C. A. lata, pallide flava, pedicello 1-2 em long o, laeve, Backer, but which he evidently never publ ished; staminibus numerosis confer tis, antheris subses­ this name was based on the name of the island silibus 0.6-0.7 mm longis oblongis 4-lobatis Ternate. Recently (Stone, 1970) I have de­ obtusis exapiculatis, filamentis obsoletis usque scribed this as a new species, closely related to ad 0.1 mm longis latisque . Pollinae granae Freycinetia insignis Blume. Not all the speci­ laevia. Spadix foemine a anguste cylindrica in mens collected by Beguin are of this species, statu ftorifera c. 55 X 6 mm, ultime 10-12 em however, and the several menti oned here appear longa et 1.5 em lata (vel ultr a ?) pedicello ad to represent a different species, not very close 40 X 5 mm glabro, baccis numerosis truncatis to F. insignis (which pertains to Sect. Blume­ breviter pileatis apice 1.2-1.7 mm lato non corn­ ella), but rather to F. arborea Gaud . and its pressis stigmatibus plerumque 6-9. Semina . .. nearest relatives, which togethe r form Sect. HOLOTYP US: Begnin 1423 ( no Cj' ! Isotype, Freycinetia. In this paper the name Freycinetia L). leptostachya is proposed for th is interesting new endemic of Ternate. MATERIAL EXAMINED : MOLUCCAS. TERNATE ISLAND. N . Foramadiahi, ± 650 m alt., 20 Feb. Freycinetia leptostachya B. C. Stone, sp. nov. 1921 , Beg/lin 1423 (n o holotypus, L isotypus; (Sect. Freycinetia) young pistillate spikes, one half-grown fruit ing Fig. 1 specimen); ± 550 m alt., 22 Jan. 1921, Beguin 1370 (no ! L! staminate paratypes); 11 Feb. Liana robusta usque ad 25-35 malta, caulis 192 1, Begnin 1411 ( no ! i3 ). ad 3- 4 em diametro radicibus aereis ernittenti­ bus, cortice griseo sparse aculeato; caulis foliaceis Discussion ad 1 em diametro; foliis trifarie spiraliterque This new species is unquestionably a member dispositis, tenuibus , lentibus, ad 45-54 em of Sect. Freycinetia as redefined recently by the longis, 2-2.8 em latis ad medium, oblonge author (Stone, 1968) . Thus its nearest relatives angusteque oblanceolatis apice acuminulatis, are F. arborea Gaud. of , F. ioilderi Mar­ marginibus in basem et apicem extremam ex­ telli of Rarotonga, F. rapensis F. Brown of cepta, integris ; apice per brevem spatiam ad Rapa, F. banks;; A. Cunn . of , F. margos costaque perminute spinuloso, spinulis baueriana Endl. of No rfolk Island, and F. 0.3 mm longis; basi supra auriculos per brevem longispica Martelli of . Two spatiam ad margos minute spinuloso, spinuli s other species of , which have been 0.5 mm longis decurvulis; auriculis angustis at­ tentatively assigned to this section, are much tenuatis 7-8 em longis 6-7 mm latis integris less similar; these are F. percostata Merr. & membranaceis striato-venosis. Inftorescentiae ter­ Perry and F. laeta Merr. & Perry, of New minales plerumque quaternatae (vel cephaliis 3 Guinea and the Solomon Islands. That Ternate Island should possess an endem­ 1 Manuscript received D ecember 17, 1969. 2 School of Biological Sciences, University of Ma­ ic species of this group is somewhat surprising, laya, Kuala Lumpur. especially since it is so obviously close to the 417 m~~ -.::-~ ~ . =~ ~ - l..1..1..U..L.. E o mm 1 u E -a o CIl· ill

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FIG. 1. Freycinetia leptostacby« B. C. Stone, sp. nov. 418 Preycineti« XIII-STONE 419 typical species, F. arborea, and not very close to Ternate thus appears to harbor two distinct the two Melanesian species. The present new endemic species of Frey cinetia. species seems to differ in its tetrastachyous in­ The name leptostachya was chosen to indio florescences, smaller and fewer marginal and cate the long slender spadices. midrib leaf denticul ations, more or less terete (not strongly compressed) berries, somewhat Thanks are due the curators of the Bogar and more acuminate leaf apices, and very short, Leiden herbaria for their courtesy in making nearly obsolete filaments. Perhaps also there is material available on loan. a somewhat smaller number of stigmas per berry. Unfortunately the seeds are too immature for study. The other species of this known from LITERATURE CITED Ternate, F. backeri Stone, differs markedly in many characters: broader, more rounded auricles STONE, B. C. 1968. Materials for a monograph with apical-marginal denticulations; leaf blades of Freycinetia Gaud . IV. Subdivision of the gradually attenuate, more rigidly coriaceous, genus, with fifteen new sections. Blumea, vol. more strongly denticulate; inflorescences mainly 16, no. 2, pp . 361-372. ternate ; fruiting pedicels hispidulous near the --- 1970. Materials for a monograph of apex; stamens with long filaments about 1 mm Freycinetia Gaud. XII. Federation Museums' long; stigmas usually 2, 3, or 4 per berry. Journal (Malaya), n.s., vol. 13. In press.