生活型

herb

形態特徵

• Culms decumbent, branching from nearly every node, lower nodes rooting.
• Blade ovate-lanceolate, amplexicaul, acute; liguie small, ciliate; sheath hairy along margin, usually shorter than intemode.
• Inflorescence of 2 to several digitately arranged spike-like racemes; rachis many-noded, ciliate, easily falling off at each node. Spikelets dimorphic, paired, one pedicellate and other sessile; pedicellate spikelet reduced to a mere pedicel. Sessile spikelet laterally compressed, basal part with white haris; lower glume covered with tubercled bristles, bristles shorter on lower part and longer on upper part; upper glume acute, margins membranaceous, hard on dorsal part, lower lemma shorter than lower glume, membranaceous, nerves obscure, epaleate; upper lemma transparent, convex, awned; from very base, awn geniculate.

分布

• 台灣 : limited occurrence in the south.
• 世界 : India, Malaysia and China.

引證標本

KAOHSIUNG: Chishan, Okamoto s. n. (KYO, Type of A. okamotoi)

引用文獻

• HSU, Chien-Chang, Flora of Taiwan, second edition 5: 526. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)