生活型

herb

形態特徵

• Perennial; rhizome shorter than 1 cm; culms nearly tufted, erect, 1-3-noded.
• Nodes articulate, with 4-6 cauline leaves, occasionally rooting; internodes 4-12 cm long, thick, glabrous. Sheath keeled, longer than internodes, glabrous; ligule brown-gray, 2-5 mm long, apex truncate; blade linear, margin scabrous; basal leaf blade 4-6 × ca. 1 cm, withered at anthesis; cauline leaf blade 20-35 × 1-1.3 cm.
• Inflorescence a panicle, apical, constricted to open, 16-40 cm long; branches filiform; primary branch 5-8 cm long. Spikelet lanceolate, with one fertile floret; glumes absent; callus stipe linear, 1.5-2 mm long, scabrous, falling with spikelet when caryopsis matures. Lemma lanceolate, 3-3.5 mm long, apex acuminate, 5-veined, veins ribbed and scabrous. Palea lanceolate, ca. 3 mm long, apex acuminate, 3-veined, veins ribbed, scaberulous.
• Anther 1.5-2 mm long; caryopsis brown, elliptic, 1.5-2 mm long, with adherent pericarp.

分布

• 台灣 : d in shade near a stream, within a forest near the Shiang-Tian Lake.
• 世界 : southeastern China and Indonesia.

引證標本

Miaoli Co., Nan-juang Town, Shiang-tian Lake, 9 Dec 2006, M.-J. Jung y120904(NCKU); same loc., 30 Dec 2006, M.-J. Jung y123004 (NCKU).

參考文獻

• Ming-Jer Jung and Chang-Sheng Kuoh, Taiwania 52(3): 243-246. 2007.