Ocellochloa Andreana (Mez) Zuloaga & Morrone
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Ocellochloa andreana (Mez) Zuloaga & Morrone. Syst. Bot . 34: 689 (2009). Accepted by: R.J.Soreng et al., Catalogue of New World Grasses (2000–2003) and online, W.D.Clayton & K.Harman, GrassBase (2008) and online, U.Quattrocchi, CRC World Dictionary of Grasses (2006). TYPE from Colombia & Venezuela. Basionym or Replaced Name : Panicum andreanum Mez, Engl. Jahrb. 56, Beibl. 125, 5 (1921). T:<Type of Basionym>: fide TROPICOS and Kew Synonomy Database: LT: J.W.K. Moritz 1538 , Venezuela: Trujillo: Escuque (B; ILT: US-80458 (fragm. ex B)). LT designated by Zuloaga & Sendulsky, Ann. Missouri Bot. Gard. 75: 429 (1988). ST: Karsten s.n. , Venezuela: Escuque (B). ST: Andre 871 , Colombia. Illustrations: None found. Derivation (Clifford & Bostock 2007): L. -anum , indicating connection. In honor of Andri who collected in Colombia. Classification . Subfamily Panicoideae. Tribe: Paspaleae. Subtribe Paspalinae. Habit, Vegetative Morphology . Perennial. Culms rambling, 30–90 cm long, wiry, rooting from lower nodes. Ligule a ciliolate membrane, truncate. Leaf-blades lanceolate, 3–8 cm long, 3–12 mm wide. Leaf- blade surface glabrous. Leaf-blade apex acute. Inflorescence . Inflorescence composed of racemes. Racemes 7–20, borne along a central axis, unilateral, 0.5–2 cm long. Central inflorescence axis 4–18 cm long. Rhachis angular. Spikelets in pairs. Fertile spikelets sessile. Fertile Spikelets . Spikelets comprising 1 basal sterile florets, 1 fertile florets, without rhachilla extension. Spikelets of 1 fertile floret with or without additional sterile florets. Spikelets two-flowered - the lower floret male or barren, the upper fertile. Spikelets elliptic, dorsally compressed, acute, 3 mm long, falling entire. Glumes . Glumes reaching apex of florets, thinner than fertile lemma. Lower glume lanceolate, 0.33 length of spikelet, membranous, without keels, 3 -veined. Lower glume apex acute. Upper glume lanceolate, 1 length of spikelet, membranous, without keels, 7 -veined. Upper glume margins ciliate. Upper glume apex acute. Florets . Basal sterile florets 1, male, with palea. Lemma of lower sterile floret similar to upper glume, lanceolate, 1 length of spikelet, membranous, 7 -veined, ciliate on margins, acute. Fertile lemma elliptic, dorsally compressed, 3 mm long, indurate, yellow, shiny, without keel. Lemma margins involute. Palea involute, indurate. Flower and Fruit . Caryopsis with adherent pericarp. Distribution (TDWG). Continent . South America. Country /Province /State . Northern South America , Western South America . Venezuela. Colombia. Ocellochloa biglandularis (Scribn. & J. G. Sm.) Zuloaga & Morrone. Syst. Bot . 34: 689 (2009). Accepted by: R.J.Soreng et al., Catalogue of New World Grasses (2000–2003) and online, W.D.Clayton & K.Harman, GrassBase (2008) and online, U.Quattrocchi, CRC World Dictionary of Grasses (2006). TYPE from Mexico. Basionym or Replaced Name : Panicum biglandulare Scribn. & J. G. Sm., U.S. Dept. Agric. Bull. Agrost . 4: 13 (1897). T:<Type of Basionym>: fide TROPICOS and Kew Synonomy Database: HT: E.W. Nelson 3781 , 8 Feb 1896, Mexico: Chiapas: near Pinabete, alt. 6500–8000 ft (US- 251785; IT: GH). Illustrations (Journals): Ann. Missouri Bot. Gard . (75: 428, Fig.4 (1988)). Derivation (Clifford & Bostock 2007): L. bis , twice; glans , acorn; -ula , diminutive; -are , pertaining to. With two glands on the sterile lemma. Classification . Subfamily Panicoideae. Tribe: Paspaleae. Subtribe Paspalinae. Habit, Vegetative Morphology . Perennial. Glands sunken crateriform. Culms decumbent, 20–60 cm long. Culm-internodes distally glabrous. Lateral branches ample. Leaf-sheaths pilose, with tubercle-based hairs. Ligule an eciliate membrane. Leaf-blades lanceolate, 4–10 cm long, 10–18 mm wide. Leaf-blade surface pilose, hairy on both sides. Leaf-blade apex acuminate. Inflorescence . Inflorescence composed of racemes. Racemes borne along a central axis, unilateral, 0.8–2 cm long. Central inflorescence axis 4–10 cm long. Spikelets solitary. Fertile spikelets pedicelled. Pedicels present. Fertile Spikelets . Spikelets comprising 1 basal sterile florets, 1 fertile florets, without rhachilla extension. Spikelets of 1 fertile floret with or without additional sterile florets. Spikelets two-flowered - the lower floret male or barren, the upper fertile. Spikelets ovate, dorsally compressed, acute, 3.6 mm long, falling entire. Rhachilla internodes elongated below proximal fertile floret. Glumes . Glumes dissimilar, shorter than spikelet, thinner than fertile lemma. Lower glume ovate, 0.33 length of spikelet, membranous, without keels, 3 -veined. Lower glume primary vein ciliate. Lower glume margins ciliate. Lower glume apex acute. Upper glume oblong, 0.9 length of spikelet, membranous, without keels, 7 -veined. Upper glume surface hispidulous. Upper glume apex acute. Florets . Basal sterile florets 1, barren, with palea. Lemma of lower sterile floret similar to upper glume, elliptic, 1 length of spikelet, membranous, glandular (2 glands), 5 -veined, hispidulous, ciliate on margins, acute. Palea of lower sterile floret 1 length of lemma, pubescent. Fertile lemma elliptic, dorsally compressed, 2.4 mm long, indurate, without keel. Lemma margins involute. Lemma apex acute. Palea involute, indurate. Distribution (TDWG). Continent . North America, South America. Country /Province /State . Mexico . Southwest Mexico, Southeast Mexico. Mesoamerica . Guatemala. Guerrero, Oaxaca. Chiapas. Ocellochloa brachystachya (Trin.) Zuloaga & Morrone. Syst. Bot . 34: 689 (2009). Accepted by: R.J.Soreng et al., Catalogue of New World Grasses (2000–2003) and online, W.D.Clayton & K.Harman, GrassBase (2008) and online, U.Quattrocchi, CRC World Dictionary of Grasses (2006). TYPE from Brazil. Basionym or Replaced Name : Panicum brachystachyum Trin., Gram. Panic. 138. (1826). T:<Type of Basionym>: fide TROPICOS and Kew Synonomy Database: HT: G.H. von Langsdorff s.n. , Jan 1825, Brazil: Minas Gerais: Lapa (LE-TRIN-0606.01; IT: P, US-79731 (fragm. ex LE)). Illustrations (Journals): Ann. Missouri Bot. Gard . (75: 430, Fig.5 (1988)). Derivation (Clifford & Bostock 2007): Gk. brachys , short; stachys , ear of corn. Inflorescence comprised of short branches or spikelets short. Classification . Subfamily Panicoideae. Tribe: Paspaleae. Subtribe Paspalinae. Habit, Vegetative Morphology . Perennial. Culms erect, 18–35 cm long. Culm-internodes terete, distally pilose. Culm-nodes pallid, glabrous or pubescent. Leaf-sheaths pilose, outer margin hairy. Leaf- sheath auricles erect. Ligule a ciliate membrane, 0.3–0.4 mm long. Leaf-blade base simple or cordate. Leaf- blades lanceolate, flat or involute, 3–4.5 cm long, 2–3 mm wide. Leaf-blade midrib indistinct. Leaf-blade margins scabrous, ciliate. Leaf-blade apex acuminate. Inflorescence . Inflorescence composed of racemes. Peduncle hispid above. Racemes 2–4, borne along a central axis, unilateral, 1–4 cm long. Central inflorescence axis flattened, hispid. Rhachis angular, glabrous on surface or hirsute on surface, scabrous on margins. Spikelets in pairs. Fertile spikelets pedicelled. Pedicels present, unequal, ciliate. Fertile Spikelets . Spikelets comprising 1 basal sterile florets, 1 fertile florets, without rhachilla extension. Spikelets of 1 fertile floret with or without additional sterile florets. Spikelets two-flowered - the lower floret male or barren, the upper fertile. Spikelets elliptic, dorsally compressed, 4.9–5.2 mm long, 3.5 mm wide, falling entire. Glumes . Glumes similar, reaching apex of florets, thinner than fertile lemma, gaping. Lower glume ovate, 2.8–3 mm long, 0.33–0.5 length of spikelet, membranous, without keels, 1–3 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent or obscure. Lower glume surface pilose, with tubercle-based hairs. Lower glume apex acuminate. Upper glume ovate, 1 length of spikelet, membranous, without keels, 5 -veined. Upper glume surface pilose, with tubercle-based hairs. Upper glume apex acute or acuminate. Florets . Basal sterile florets 1, male, with palea. Lemma of lower sterile floret similar to upper glume, ovate, 1 length of spikelet, membranous, much thinner on margins, 3–5 -veined, pilose, with tubercle-based hairs, acute or acuminate. Palea of lower sterile floret 3.9–4.5 mm long, pilose, adorned on flanks. Fertile lemma lanceolate, dorsally compressed, 4–4.4 mm long, 1.2 mm wide, cartilaginous, pallid or yellow, keeled, lightly keeled, 3–5 -veined, more than 3-veined. Lemma margins involute. Lemma apex acute or acuminate. Palea involute, indurate. Flower and Fruit . Lodicules 2, cuneate, 0.5 mm long. Anthers 3, 3.2 mm long, purple. Caryopsis with adherent pericarp. Distribution (TDWG). Continent . South America. Country /Province /State . Brazil . Brazil Southeast. Minas Gerais. Ocellochloa chapadense (Swallen) Zuloaga & Morrone. Syst. Bot . 34: 689 (2009). Accepted by: R.J.Soreng et al., Catalogue of New World Grasses (2000–2003) and online, W.D.Clayton & K.Harman, GrassBase (2008) and online. TYPE from Brazil. Basionym or Replaced Name : Panicum chapadense Swallen, Contrib. Sci. Los Angeles County Mus., No. 22, 8 (1958). T:<Type of Basionym>: fide TROPICOS and Kew Synonomy Database: HT: E.Y. Dawson 14602 , 24 Apr 1956, Brazil: Goiás: region of the Chapanda dos Veadeiros: 7 km south of Veadeiros (R; IT: US-2207228). Illustrations (Books): S.A.Renvoize, The Grasses of Bahia , 1984. Illustrations (Journals): Ann. Missouri Bot. Gard . (75: 432, Fig.6 (1988)). Derivation (Clifford & Bostock 2007): L. -ense , denoting origin. From Serra da