ECTROSIA R. Br. Cynodon radiatus Roth. Syst. Veg. 2: 241. 1817.
32. ECTROSIA R. Br.
Type: Ectrosia leporina R. Br. Prodr. 185. 1810. About 4 species, tropical Asia, Australasia, and Pasific. Plant annual or perennial. Culms erect, or geniculately ascending, slender. Lateral branches lacking, sparse, or ample. Ligule a fringe of hairs. Blades filiform, or linear, stiff, or firm. Inflorescence a panicle. Spikelets appressed, or spreading, solitary, breaking up at maturity. Fertile spikelets pedicelled. Glumes dissimilar, deciduous, shorter than spikelet. Lower glume shorter than upper glume. Lodicules 2, fleshy. Anthers 3. 32.1. Ectrosia leporina R. Br. Prodr. 186. 1810. Plants annual. Culms 50 cm long. Ligule a fringe of hairs. Blades 6-10 cm by 2- 4 mm, apex attenuate. Inflorescence a panicle. Panicle contracted, interrupted, 9 cm long. Spikelets solitary. Fertile spikelets pedicelled. Pedicels linear, bearing a few hairs. Fertile spikelets comprising 1-2 fertile florets; lanceolate, 2 mm long, laterally compressed, breaking up at maturity, disarticulating above glumes but not between florets. Glumes similar, shorter than spikelet, similar to fertile lemma in texture. Lower glume 1 mm long, lanceolate, 0.8 length of upper glume, membraneous, keeled, 1-nerved; without lateral nerves, apex acuminate. Upper glume 1.6 mm long, 0.7 length of the adjacent fertile lemma, membraneous, 1-keeled, 1-nerved; without lateral nerves, apex acuminate. Florets: fertile lemma oblong, 2 mm long. membraneous, keeled, 3-nerved; apex emarginate, 1-awned; principal awn 2 mm long. Palea 0.7 times length of lemma, 2-nerved, keels scabrous. Apical sterile florets 2-5, barren, separate, linear, 1 mm long. Apical sterile lemma awns 6 mm long. Anthers 3, 0.1 mm long. Caryopsis with adherent pericarp, ellipsoid. Notes Found in tropical Asia, Australia, and Northwestern Pasific. Distribution at Sulawesi Southeast: Kendari, Alt. 100 m. Habitat Opened area. Specimen examined Kjellberg 547 BO.35. ENTEROPOGON Nees. Type: Enteropogon melicoides Koenig ex Willd.
Parts
» The Floristic Study Of Herbaceous Grasses In Sulawesi
» Apluda mutica L. Sp. Pl. 1: 82. 1753.
» Arthraxon hispidus Thunb. Makino. Bot. Mag. Tokyo 26307: 214. 1812.
» ASTHENOCHLOA Buse. Arthraxon lancifolius Trin. Hochst. Flora 39: 188. 1856.
» Bothriochloa bladhii Retz. S.T. Blake. Proc. Roy. Soc. Queensland 806:
» Capillipedium assimile Steud. A. Camus. Fl. Indo.-Chine 7: 314. 1922.
» CHRYSOPOGON Trin. Type: Chrysopogon gryllus L. Trinn. Fund. Agrost.
» Coelorachis glandulosa Trin. Stapf ex Ridl. Fl. Malay. Penin. 5: 204. 1925.
» CYMBOPOGON Sprengel Coix lachryma-jobi L. Sp. Pl. 2: 972. 1753.
» Cymbopogon tortilis J. Presl. A. Camus. Rev. Bot. Appl. Agric. Colon.
» Cymbopogon flexuosus Nees ex Steudel J.F. Watson. Himalayan Districts 1:
» Cymbopogon minutiflorus S. Dransf
» DICHANTHIUM Willemet Cymbopogon procerus R. Br. Domin. Biblioth. Bot. 85: 273. 1915.
» Dichanthium aristatum Poir. C.E. Hubb. Fl. Trop. Afr. 9:178. 1917.
» DIECTOMIS Kunth. nom. et typ. cons., non P. Beauv. 1812. Type: Diectomis
» EREMOCHLOA Buse. Type: Eremochloa horneri Buse. Pl. Jungh. 357. 1854
» EULALIA Kunth. Revis. Gramin. 1:160. 1829.
» HETEROPOGON Pers. Type: Heteropogon glaber Pers. Syn. Pl. 2: 533.
» Hyparrhenia diplandra Hack. Stapf. Fl. Trop. Afr. 92: 368-370. 1919.
» Imperata conferta J. Presl Ohwi. Bot. Mag. Tokyo 55:549. 1941.
» Ischaemum barbatum Retz. Observ. Bot. 6: 35. 1791.
» Ischaemum celebicum P. Jansen. Reinwardtia 22: 296, f. 10. 1953.
» Ischaemum ciliare Retz. Observ. 6: 26. 1791.
» Ischaemum digitatum Brongn. Voy. Monde 22: 70, pl. 13. 1831.
» Ischaemum muticum L. Sp. Pl. 2: 1049. 1753.
» Microstegium eucnemis Nees ex Steud A. Camus. Ann. Soc. Linn. Lyon,
» MISCANTHUS Anderss. Type: Miscanthus capensis Nees Andersson. Ofvers.
» Ophiuros exaltatus L. Kuntze. Revis. Gen. Pl. 2: 780. 1891.
» Pogonatherum paniceum Lam. Hack. Allg. Bot. Z. Syst. 12: 178. 1906.
» Saccharum spontaneum L. Mant. Pl. 2: 183. 1771.
» Schizachyrium fragile R. Br. A. Camus. Ann. Soc. Linn. Lyon 70:87. 1924.
» Sorghum nitidum Vahl. C.E. Hubb. Syn. Pl. 1:101. 1805.
» Themeda gigantea Cav. Hack. Fodder Grasses North. India 43. 1888.
» Phragmites vallatoria L. Veldk. Blumea 371: 233. 1992.
» Arundinella pumila Hochst. ex A. Rich. Steud. Syn. Pl. Glumac. 1: 114.
» GARNOTIA Brongn. Type: Garnotia stricta Brongn. Voy. Monde 22: 132-
» Deyeuxia australis Zoll. Mor. P. Jansen. Acta Bot. Neerl. 13: 472.
» Brachypodium sylvaticum Huds. P. Beauv. Ess. Agrostogr. 101, 155, pl.3,
» Chloris barbata L. Sw. Fl. Ind. Occid. 1: 200. 1797.
» CYNODON L.C. Richard. nom. cons. Type: Cynodon dactylon L. Pers. Syn.
» ECTROSIA R. Br. Cynodon radiatus Roth. Syst. Veg. 2: 241. 1817.
» PEROTIS Aiton. Type: Pennisetum latifolia Trin. Hort. Kew 1: 85. 1789.
» ZOYSIA Willd. Type: Zoysia pungens Willd. Ges. Naturf. Freunde Berlin Neue
» Zoysia pasifica Goudswaard M. Hotta Kuroki. Acta Phytotax. Geobot.
» Dactyloctenium aegyptium L. Willd. Pl. Eur. 1:68. 1870.
» Eleusine indica L. Gaertn. Fruct. Sem. Pl. 1: 8. 1788.
» Eragrostis brownii Kunth Nees ex Steud. Nomencl. Bot. ed. 2 1: 562.
» Eragrostis cilianensis Bellardi Vignolo ex Janch. Mitt. Naturwiss. Vereins
» Eragrostis japonica Thunb. Trin. Mem. Acad. Imp. Sci. St.-Petersbourg,
» Eragrostis lasioclada Merr. Philipp. J. Sci. 1Suppl.: 382. 1906.
» Eragrostis minor Host. Icon. Descr. Gram. Austriac. 4: 15. 1809.
» Isachne albomarginata P. Jansen. Reinwardtia 22: 279. 1953.
» Isachne confusa Ohwi. Bull. Tokyo Sci. Mus. 18: 14. 1947.
» Isachne globosa Thunb. Kuntze. Revis. Gen. Pl. 12: 778. 1891.
» Oryza minuta J. Presl var. sylvatica Camus Veldk. Blumea 371: 232.
» Acroceras munroanum Balansa Henrard. Blumea 33: 444-445. 1940.
» Alloteropsis semialata R. Br. Hitch. Contr. U.S. Natl. 126: 210. 1909.
» Cenchrus brownii Roem. Schult. Syst. Veg. 2: 258. 1817.
» . Digitaria bicornis Lam. Roem. Schult. Syst. Veg. 2:470. 1817.
» Digitaria ciliaris Retz. Koeler. Descr. Gram. : 27. 1802.
» Digitaria milanjiana Rendle Stapf. Fl. Trop. Afr. 9:430. 1919.
» Digitaria setigera Roem. Schult. Syst. Veg. 2: 474. 1817.
» Digitaria ternata A. Rich. Stapf. Fl. Cap. 7: 376-377. 1898.
» ECHINOCHLOA P. Beauv. Type: Echinochloa crusgalli L. P. Beauv. Ess.
» HYMENACHNE P. Beauv. Type: Hymenachne monostachya Poir. P. Beauv.
» Panicum repens L. Sp. Pl. ed.2 1: 87. 1762.
» Paspalum conjugatum P.J. Bergius. Acta Helv. Phys.-Math. 7: 129, pl. 8.
» PENNISETUM Rich Paspalum scrobiculatum L. Mant. Pl. 1: 29. 1767.
» Pennisetum macrostachys Brongn. Trin. Mem. Acad. Imp. Sci. Saint-
» Setaria punctata Burm.f. Veldk. Blumea 391: 381. 1994.
» SPINIFEX L. Type: Spinifex squarrosus L. Mant. Pl. 163, 300. 1771; Grass.
» STENOTAPHRUM Trin. Type: Stenotaphrum glabrum Trin. Fund. Agrost.
» LEPTASPIS R. Br. Type: Leptaspis banksii R. Br. Prodr. 211. 1810.
» SCROTOCHLOA Judz. Type: Scrotochloa urceolata Roxb. Judz.
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