生活型

herb

形態特徵

• Perennial herb; rhizome erect to ascending, rather stout, bearing dark brown roots, acaulescent
• Leaves usually linear-lanceolate or oblong, 3–8 cm long, 0.5–1.6 cm broad, with cuneate base during the flowering period, and become triangular-lanceolate, 3–11 cm long, 1–2.5 cm broad, with truncate base and more or less enlarged basal lobes after flowering period, acute or obtuse at apex, shallowly and distantly crenate on margin, sometimes dentate on basal lobes, usually long-decurrent on petiole, glabrous or pubescent on both surfaces, chartaceous to subcoriaceous; petioles 6–15 cm long, glabrous or pubescent; stipules 3–8 mm long, 0.5–1 mm broad, lanceolate, acuminate, entire or sparsely denticulate to ciliate, glabrous, adnate to petiole to 3/4 length.
• Flowers 15–25 mm across, usually dark purple, sometimes light violet or white; peduncles 8–25 cm long, equalling or exceeding leaves, glabrous or pubescent; sepals 3–6.5 mm long, 1–2 mm broad, ovate-lanceolate, acute to acuminate at apex, entire, glabrous; appendages 1–1.5 mm long, rounded to squarish; petals obovate to oblanceolate, the lateral ones bearded or rarely beardless, the basal emarginate or truncate at apex; spurs 3–5.5 mm long, 1.4–2.5 times as long as wide, cylindrical, rounded. Styles 2–2.5 mm long, geniculate at base, clavate distally, with prominent marginal lobes at apex and anterior stigmatic beak.
• Capsules 9–14 mm long, oblong or ellipsoid, glabrous. Seeds ovoid, 1.8 mm long.
• Chromosome number n=24.

分布

• 世界 : Kuriles, Japan, Korea, Manshuria, China.

引證標本

ILAN: Nanhutashan, Sasaki s. n. 1928. HSINCHU: kwanwu, Wang 4123. TAICHUNG: Chika, Huang 7089. NANTOU: Kwankao, Wang 4287. CHIAYI: Tozan, Ishizaki s. n. 1924 (Type of V. oblongo-sagitata form. ishizakii, TAI!). KAOHSIUNG: Tienchih, Yang s. n. 1988. HUALIEN: Chingshuishan, Liao s. n. 1978; Hohuanshan, Tang s. n. 1985.

參考文獻

• WANG, JENN-CHE and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 825. 1993.  (Fl. Taiwan 2nd edit.)