生活型

herb

形態特徵

• Stems 25-60 cm long, puberulous in a line decurrent from sheath, otherwise glabrous.
• Leaves subpetiolate, lanceolate, 6-7.5 by 1.7-2.2 cm, apex acuminate, base attenuate, upper surface scabrous, base villous; sheath cylindrical, ca. 1 cm, with red stripes, pilose at mouth.
• Inflorescence with many-flowered cincinni, puberulous; bracts ovate, sometimes leaflike, 2-2.5 by ca. 2 mm, margin ciliate, bracteoles less than 1 mm long; pedicel ca. 1.5 mm long. Sepals ca. 3.5 by 1.5 mm, densely glandular hairy; lateral petals 2, equal, oblanceolate, ca. 3.3 by 1.5 mm, medial petal narrower, oblong, ca. 3.5 by 0.7 mm; anthers dimorphic: posticous 3, basally fused, equal, anthers yellow, connective inflated, ca. 0.4 mm long, filament ca. 2.5 mm long; anticous three free, unequal, medial one longer, ca. 4 mm long; ovary globose, rhomboidal, ca. 1 mm long, glabrous; style ca. 2.5 mm long.
• Capsules 2.5 by 1.7 mm. Seeds light orange or blue, 1.5 by 1.2 mm.

分布

• 台灣 : swamps and marshes in broadleaved forests, at low elevations.
• 世界 : India, the Himalaya, Indochina, Malaysia, southern China.

引證標本

TAIPEI: Kuanyinshan, Miura & Fukuyama s. n. 3 Nov 1940. TAOYUAN: China Fuel Factory, Chen 1871. HSINCHU: Sintiku, Simpo, Simada 10400. NANTOU: Fonghuangku, Kuo 10322; Puli, Yamamoto s. n. 23 Oct 1929; KAOHSIUNG: Liukue to Tsaitiehku, Huang et al. 14466. PINGTUNG: Nanjenshan, Peng 5522; Santi District: Shueimen, Peng 10251; Tungyuan, Chen et al. 853.

參考文獻

• WANG, Jenn-Che, CHEN, Yo-Jiun, and PENG, Ching-I, Flora of Taiwan, second edition 5: 168. 2000.  (Fl. Taiwan 2nd edit.)