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Dinghushan | Family List | Poaceae | Acroceras

Acroceras munroanum (Bal.) Henr.

凤头黍

Description from Flora of China

Panicum munroanum Balansa, J. Bot. (Morot) 4: 140. 1890; Acroceras crassiapiculatum (Merrill) Alston; Panicum crassiapiculatum Merrill.

Perennial. Culms slender, long, creeping and rooting, the erect tips 15–40 cm tall. Leaf sheaths glabrous or one margin ciliate; leaf blades lanceolate, 3–7 × 0.4–0.9 cm, glabrous or sparsely pilose, base subcordate, margins glabrous, apex acuminate; ligule ca. 0.4 mm. Panicle 4–6 × 2–3 cm; racemes 3–6, short, erect, unbranched; spikelets on short pedicels along racemes and upper part of main axis, usually paired or single toward raceme apex. Spikelets ca. 4 mm, elliptic, stramineous when mature, subglabrous; lower glume broadly ovate, ca. 3.5 mm; upper glume and lower lemma similar, as long as spikelet, 5–7-veined, apex crested, slightly protruding; lower palea hyaline, narrow; upper lemma smooth, shining, 3–3.5 mm. Fl. and fr. Sep–Oct. 2n = 18.

Grassland on hill slopes, light shade of forest margins. Hainan [Cambodia, India, Indonesia, Malaysia, Myanmar, Philippines, Sri Lanka, Thailand, Vietnam].

生活型: 草本

栽培植物: 野生

特征: 多年生草本;茎基部横卧,节上生根,圆锥花序狭小,长2--4厘米,谷粒长卵形,顶端具小突起

果期: 11

生境: 见于牛角坑口阳处草地上

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 单子叶植物纲

中文别名: 短序凤头黍、孟氏凤头黍


 

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