Alectoridia quariniana A. Rich., Tent. Fl. Abyss. 2: 448. pl. 99. 1851.
Arthraxon okamotoi Ohwi, Act. Phytotax. Geobot. 11: 165. 1942; Koyama, Grass. Jap. Neighb. Reg. 444. 1987.
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 the intemode. Inflorescence of 2 to several digitately arranged spike-like racemes; rachis many-noded, ciliate, easily falling off at each node. Spikelets dimorphic, paired, the one pedicellate and the other sessile; pedicellate spikelet reduced to a mere pedicel. Sessile spikelet laterally compressed, basal part with white haris; lower glume covered with tubercled bristles, the bristles shorter on the lower part and longer on the upper part; upper glume acute, margins membranous, hard on dorsal part, lower lemma shorter than the lower glume, membranous, nerves obscure, epaleate; upper lemma transparent, convex, awned; from the very base, awn geniculate.
KAOHSIUNG: Chishan, Okamoto s. n. (KYO, Type of A. okamotoi).
Distributed in India, Malaysia and China.
This species is found in southern Taiwan, and it seems to be of limited