生活型

herb

形態特徵

• Perennials. Stems villous along a line decurrent from sheath, otherwise nearly glabrous or sparsely pilose.
• Leaves sessile-subpetiolate; blade lanceolate, 9-19 by 2.5-5 cm, apex acuminate, base oblique, upper surface scabrous, lower surface glabrous; sheath with red stripes, margins villous.
• Inflorescence a single 1-4-flowered cincinnus, terminal; 1-7 inflorescences usually aggregated at apex of stem; spathe infundibuliform, obliquely obtriangular, lower edge slightly curved, 1.5-2.7 cm long, uncinate; peduncle ca. 0.3 cm long; pedicel 4-5 mm long. Sepals concave, unequal, anticous two elliptic, 3.5-4.5 by 1.5-2.5 mm, glabrous; posticous one lanceolate, 3-4 by 2 mm; petals 3, unequal, lateral petals 2, mauve or indigo, equal, planar, clawed, limb broadly rounded-ovate, ca. 8 by 9 mm, apex obtuse, base cuneate to cordate; medial petal white, lanceolate, 5-6 by 2 mm; fertile stamens 3, anticous, unequal, anther of lateral two brown, ellipsoid, base sagittate, ca. 1 mm long, filaments10-13 mm long; anther of medial one yellow, ellipsoid, base hastate, 1.5-2 mm long, filament ca. 7 mm long; staminodes 3, posticous, all alike, antherodes cruciate, ca. 1.5 mm long, filament 5.5 mm long; ovary ellipsoid-globose, 1.5-2 mm long; style 8-9 mm long.
• Capsules trilocular, 3-valved, lustrous, brown, globose, ca. 4-5 mm in diam., locule 1-seeded, glabrous. Seeds brown or black, reniform, 3-3.8 by ca. 2.5 mm, smooth.

分布

• 台灣 : in semishaded and waste places, 100-1,700 m.
• 世界 : India, Nepal, the Himalaya, southern China, Malaysia, and Indonesia

引證標本

TAIPEI: Hushan, Kao 10133; Wuliaochien, Peng 9023; Yinhotung, Chen & Lin 836. HSINCHU: Wuchihshan, Peng et al. 12926. MIAOLI: Taiko (Tahu), Kawakami et al. s. n. 1 Aug 1907. TAICHUNG: Pahsienshan Forest Recreation Area, Chen 1934. NANTOU: Chitou, Huang s. n. 7 Oct 1979; Hui-Sun Experimental Forest, Chen & Hsu 756; Wushe, Peng 6946. CHIAYI: on route from Chiehtung Villa to Tienyunshan, Peng 8881; Fenchihu to Dadonshan, Chen & Shen 824. KAOHSIUNG: Shanping, Peng et al. 14749; Tengchih, Huang et al. 13936. PINGTUNG: Tawushan, Matsuda s. n. 20 Nov 1918; on route from Wutai to Ali, Peng 10217. ILAN: Chilan, Wang 10521. HUALIEN: Fuyuan Village: Butterfly Vallely, Peng & Chen 11672; Luanshan, Huang 4287. TAITUNG: Chihpenwenchienhoushan, Hsu & Hsu 4041.

參考文獻

• WANG, Jenn-Che, CHEN, Yo-Jiun, and PENG, Ching-I, Flora of Taiwan, second edition 5: 163. 2000.  (Fl. Taiwan 2nd edit.)