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偏序钝叶草Stenotaphrum secundatum

时间:2013-09-11 13:54来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):偏序钝叶草 学名( Scientific Name ): Stenotaphrum secundatum (Walter) Kuntze 英文名( English Common Name ): 别名( Chinese Common Name ): 侧钝叶草 异名( Synonym ): Ischaemum secundatum Walt. Stenotaphrum
中文名(Chinese Name):偏序钝叶草
学名(Scientific Name):Stenotaphrum secundatum (Walter) Kuntze
英文名(English Common Name):
别名(Chinese Common Name):侧钝叶草
异名(Synonym):Ischaemum secundatum Walt.  Stenotaphrum sarmentosum Nees  Diastemanthe platystachys Steud.  Stenotaphrum dimidiatum var. americanum (Schrank) Hack.  Stenotaphrum dimidiatum var. secundatum (Walter) Domin  Stenotaphrum americanum Schrank  Rottboellia stolonifera Poir.  Rottboellia tripsacoides Lam.  Rottboellia paleacea Steud. ex Döll  Stenotaphrum glabrum var. americanum (Schrank) Döll  Stenotaphrum secundatum var. variegatum Hitchc.  Stenotaphrum dimidiatum var. a Brongn.  Stenotaphrum dimidiatum var. b Brongn.  Stenotaphrum glabrum var. glabrum   Stenotaphrum secundatum var. secundatum
科属Family & Genus):禾本科(Gramineae)钝叶草属
形态特征(Description):
分布(Distribution):
用途(Use):
引自中国植物志英文版FOC | Family List | FOC Vol. 22 
Stenotaphrum secundatum (Walter) Kuntze, Revis. Gen. Pl. 2: 794. 1891.
侧钝叶草 ce dun ye cao  | Poaceae  | Stenotaphrum
Ischaemum secundatum Walter, Fl. Carol. 249. 1788.
Perennial, stoloniferous and forming a dense sward. Culms much branched, flowering shoots 10–30 cm tall. Leaf sheaths strongly keeled, often grouped in flabellate clusters; leaf blades broadly linear, folded when young, up to 15 × 0.4–1 cm, apex obtuse; ligule ca. 0.5 mm. Inflorescence 5–12 cm, slender, cylindrical; axis corky, disarticulating into segments at maturity; racemes 4–10 mm, reduced to 1–3 spikelets embedded in one face of the rachis, alternating on either side of the sinuous midrib; raceme rachis a stout pointed appendage within the axis cavity. Spikelets lanceolate, 4–5 mm, acute; lower glume up to 1/4 as long as spikelet; upper glume as long as spikelet; lower floret staminate, lemma cartilaginous, 3-veined, palea well developed; upper lemma papery, subequal to spikelet, smooth, acute. Fl. and fr. summer.
Cultivated as lawn grass. Hong Kong [tropical and subtropical shores on both sides of Atlantic Ocean, extending around S Africa to Mozambique].
This grass is widely cultivated in the moist tropics as a lawn grass (St. Augustine Grass).



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