Plants short- to long-lived annuals. Culms (3)(80) cm, often highly branched above the base. Leaves cauline, glabrous; sheaths shorter than the. Common needle grass (Aristida adscensionis L.) is an annual or short-lived perennial, tufted xerophilous grass (Quattrocchi, ; Skerman et. Aristida adscensionis Linn., Sp. Pl. Hook. f., Fl. Brit. Ind. 7: ; Blatter & McCann, Bombay Grasses ; Bor, Fl. Assam
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The same may be said of Aristida depressa, an adsceensionis form completely intergrading with Aristida adscensionis. However, many of the distinctive forms are connected by intergrading forms, and for this reason no infraspecific taxa are recognized in this Catalogue pending a world-wide revision of this taxon.
Panicle up to 25 x 0.
The culms are thin, erect or geniculate, stiff, simple or branching at the lower nodes, yellow to bright green in colour, becoming straw coloured when matured Quattrocchi, adscehsionis Bogdan, Cobalt concentrations in pasture species grown in several cattle grazing areas of Queensland.
The spikelets are covered with three unequal, scabrous and Blades flat, cm long, At maturity, triple-awned spikelets and sharp seeds make the plant unpalatable Burkill, aristidaa Skerman et al. A chiefly tropical sp. Provides good forage, especially during summer.
Go To Encyclopedia of Life This species is featured in: The leaves are linear, narrow, up to 20 cm long Bogdan, Retrieved from ” https: Which species are on the road to recovery? Aristida adscensionis has very sharp seeds that may injure animals, especially sheep.
Distinguished by being an annual, erect three-awn grass, sometimes bunched at the base or only with a few culms branched above the base. From Wikipedia, the free encyclopedia. Spikelets pallid, green or purple; glumes unequal, linear-lanceolate to lanceolate, scaberulous on the keel, emarginate and mucronate or acute but never awned, the upper mm long, the lower mm shorter; lemma 17 mm long, sometimes no longer than the glumes but usually exceeding the upper by mm or more, laterally compressed, convolute, scabrid on the keel or sometimes generally scaberulous on the upper part, passing into the awn without constriction adscensionls articulation; callus narrowly oblong, 0.
This article does not cite any sources. The seeds are very sharp Quattrocchi, ; Bogdan, Articles lacking sources from January All articles lacking sources Articles with ‘species’ microformats Taxonbars with 25—29 taxon IDs Aristtida stub articles. It is found in disturbed poor soils in grassland and open bush throughout tropical Africa and even on walls Quattrocchi,Skerman et al. Composition and degradation of jackrabbit and cottontail fecal pellets, Texas High Plains.
Aristida adscensionis in Flora of China @
Please contact me at the e-mail address aistida below. Annual or short-lived perennial, forming erect or sprawling tufts cm high.
Small tufted annual, erect stems cm, highly branched above base sheaths have papery margin, shorter than internodes. Aristida, published in Barkworth et al.
References Balgees et al. It was found to be well grazed at early stages of growth and avoided at the late-flowering and seeding stages because of sharp seeds and stiff awns Quattrocchi, ; Bogdan, Presl Beetle, Aristida adscensionis var. Henrard Aristida adscensionis L. Ligule a short-ciliate rim; auricles smooth or minutely pubescent; collar glabrous. Log In New Account Sitemap. Rodents of Unusual Size communitycoypudocumentaryecosystemenvironmentfilmmakerfilmmakinginvasiveinvasive speciesrodentsUSAWetlandswildlife Monday 24 September Wildscreen With – Tom Hooker: Login eFloras Home Help.