生活型

herb

形態特徵

• Erect perennial herbs with a short rhizome.
• Leaves ensiform, tapering to apex, soft, green, 7-9-veined.
• Inflorescence usually with 2 or 3 leaves, glabrous. Spikes usually simple, pubescent, with spirally dispersed flowers; bracts ovate, abruptly acute, wooly abaxially, 3-10 cm wide. Flowers sessile; perianth segments thin, yellow, outer 2 segments with 2 strong veins toward base, acute, undulate, wooly abaxially, inner 2 adnate to base of filament, membranaceous, glabrous, acute, spatulate, 3-veined; stamens glabrous; ovary densely wooly, styles glabrous.
• Capsules oblong, flattened adaxially, 9-11 mm long. Seeds dark, reddish.

分布

• 台灣 : in marshes in the north.
• 世界 : Australia, Malaysia, the Ryukyus and Japan.

引證標本

TAIPEI: Ankeng, Sasaki s. n. 1928. TAOYUAN; Nanchang, Yamamoto s. n. 1929; Taoyuan, Yang 130.

參考文獻

• YANG, Yuen-Po, Flora of Taiwan, second edition 5: 145. 2000.  (Fl. Taiwan 2nd edit.)