Comments
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This species is very easily recognized by its extremely compressed large spikilets which are pinkish or sometimes pale in color.
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Comments
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This species is common throughout India but from our area it is known only from Kashmir. As there are no records from Iran or Afghanistan, it is possible that it does not occur in Pakistan. It should be looked for. It is called
Eragrostis amabilis Wight & Arn. ex Nees in Fl. Brit. Ind. 7:317 and on many herbarium sheets.
Eragrostis unioloides is a hardy, but sporadic, species whose value as a fodder grass is unknown.
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Description
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Annual. Culm solitary or tufted, erect or decumbent. Ligule wanting or very short. Inflorescence an oblong panicle, about 10 cm long. Spikelets 8-20-flowered, ovate-oblong, extremely compressed, purplish-red when mature, 4-7 mm long, the florets closely imbricate. Glumes acute, 1-nerved, the nerve prominent. Palea usually falling off together with the lemma, 2-keeled, very narrowly winged and minutely ciliate. Anthers 3, about 0.2 mm long. Caryopsis compressed, ellipsoidal, about 0.8 mm long.
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Description
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Annual or perennial. Culms erect or geniculate at base, 20–60 cm tall, 2–3 mm in diam., 3–5-noded. Leaf sheaths glabrous and smooth, long pilose along the summit; ligules membranous, ca. 0.8 mm; leaf blades sublanceolate, flat, 2–20 × 0.3–0.6 cm, adaxial surface long pilose, abaxial surface smooth, apex acuminate. Panicle open, oblong, 5–20 × 3–5 cm; branch solitary, glabrous in axils. Spikelets purplish red at maturity, oblong, 5–10 × 2–4 mm, with pedicel 0.2–1 cm, 10–20-flowered; florets closely imbricate; rachilla persistent, lower glume 1.5–2 mm, upper glume 2–2.5 mm. Lemmas broadly ovate, veins prominent, apex acute, the lower lemma ca. 2 mm. Palea slightly shorter than the lemma, 2-keeled, very narrowly winged and ciliolate, falling off together with its lemma at maturity. Stamens 2; anthers purple, 0.2–0.5 mm. Caryopsis compressed, ellipsoidal, ca. 0.8 mm. Fl. and fr. Aug–Oct.
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Description
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Tufted annual or short-lived perennial; culms 10-80 cm high, erect or geniculately ascending, sometimes rooting from the lower nodes. Leaf-blades flat or inrolled, 2-20 cm long, up to 5.5 mm wide, subamplexicaul at the base, the apex subacute, glabrous or sparsely hairy towards the base. Panicle narrowly oblong to broadly ovate, 5-20 cm long, open or fairly densely contracted. Spikelets 11-80-flowered, ovoid to oblong, 3.5-16 mm long, 2.54 mm wide, the florets slightly overlapping and often diverging at nearly 90 degrees from the rhachilla, typically straw-coloured, tinged to deeply suffused with purple, breaking up from the base, the rhachilla persistent; glumes unequal, narrowly lanceolate in side-view, 1-nerved, the lower 1.3-1.7 mm long, the upper 1.7-1.9 mm long, subacute; lemmas broadly ovate to suborbicular when flattened, (1.5)1.8-2.2 mm long, punctulate, mucronulate, the nerves distinct; palea falling with the lemma, the keels scabrid; anthers 3, 0.2 mm long. Caryopsis obovoid or ellipsoid, laterally compressed, 0.6-0.8 mm long, orange-brown.
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Distribution
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Africa, India, Nepal, S.E. Asia.
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Distribution
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Distributed in tropical Asia and Africa.
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Distribution
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Distribution: Kashmir; Southeast Asia.
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Elevation Range
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300-2200 m
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Habitat & Distribution
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Mountain slopes, grasslands, roadsides. Fujian, Hainan, Jiangxi, Taiwan, Yunnan [W Africa, tropical Asia].
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Synonym
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Poa unioloides Retz., Obs. Bot. 5: 19. 1789
Eragrostis formosana Hayata, Bot. Mag. Tokyo 21: 53 1907, Mat. Fl. Form. 408. 1911.
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Synonym
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Poa unioloides Retzius, Observ. Bot. 5: 19. 1788; Eragro-stis amabilis (Linnaeus) Wight & Arnold ex Nees; E. formo-sana Hayata; P. amabilis Linnaeus.
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