生活型

herb

形態特徵

• Perennial herb; rhizome erect to ascending, rather stout, bearing greenish-white or yellowish roots, acaulescent.
• Leaves 3–16 cm long, 0.6–6 cm broad, usually linear-lanceolate to triangular-lanceolate, cuneate or truncate at base during the flowering period and becoming triangular-hastate, truncate to hastate at base, with prominently basal lobes after flowering period, acute or sometimes roundish obtuse at apex, shallowly and distantly crenate, sometimes dentate on basal lobes, long decurrent on petiole, glabrous or pubescent on both surfaces, herbaceous to subcoriaceous; petiole 1–15 cm long; stipules 3–7 mm long, ca. 1 mm broad, lanceolate, acuminate, sparsely short-fimbriate, glabrous, fuscous, adnate to petiole to 3/4 length.
• Flowers 10–20 mm across, white to purple, with darker veins; peduncles 6–28 cm long, equalling or exceeding leaves, glabrous or pubescent; sepals 5–9 mm long, 1–3 mm broad, ovate-lanceolate to lanceolate, acute or acuminate, entire, glabrous; appendages 1–2.5 mm long, rounded to squarish or sometimes subdentate, glabrous; petals obovate, upper and laterals ones bearded or rarely upper ones beardless, the basal emarginate or truncate at apex; spurs 2–4 mm long, cylindrical, obtuse, straight or slightly upcurved; styles 1.5–2.2 mm long, geniculate at base, clavate distally, with prominent marginal lobes at apex and anterior stigmatic beak.
• Capsules 7–12 mm long, oblong, glabrous. Seeds ovoid, 1.5–1.8 mm long.
• Chromosome number n=36.

分布

• 世界 : Himalayas, India, Sri Lanka, China, Japan, Indochina, Sumatra, Java, Celebes, New Guinea, Australia, the Ryukyus and the Philippines.

引證標本

TAIPEI: Yangmingshan, Wang 4200; Yehliu, Wang 4219. ILAN: Ssuyuan, Huang 7308. TAOYUAN: Jenmei, Kuo 6579; Yangmei, Wang 4141. HSINCHU: Wutzushan, Kawakami 5991; Kwanwu, Wang 4124. TAICHUNG: Wuling Farm, Wang 3895. NANTOU: Lushan, Huang s. n. 1987; Hinokiyama, Nakahara s. n. 1907 (Type of V. oblongo-sagittata var. violascens, TI!). KAOHSIUNG: Tientsu, Jeng 2702. PINGTUNG: Nanjenhu, Chen s. n. 1986. TAITUNG: Hsinkangshan, Yamamoto 900. HUALIEN: Lilong, Yasukawa s. n. 1923.

引用文獻

• WANG, JENN-CHE and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 810-813. 1993.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)