生活型

herb

形態特徵

• Perennial herb; rhizome erect, rather stout, bearing white or yellowish brown roots, acaulescent.
• Leaves 2–8 cm long, 0.8–6.5 cm broad, ovate or triangular-ovate to deltoid, deeply to shallowly cordate or reniform-cordate at base, with prominently basal lobes usually somewhat converging, obtuse to rounded at apex, round-crenate to crenate-serrate on margin, long-decurrent on petiole, glabrous or puberulent on both surfaces, herbaceous; petioles 2–25 cm long; stipules 3–8 mm long, ca. 1 mm broad, linear-lanceolate to ovate-lanceolate, acuminate, short fimbrio-dentate, glabrous, green to pale fuscous, adnate to petiole to 3/4 length.
• Flowers 12–20 mm across, violet or purple; peduncles 5–16 cm long, equalling or exceeding leaves, glabrous or puberulent; sepals 3.5–9 mm long, 1–2 mm broad, ovate-lanceolate to lanceolate, acute or acuminate, entire, glabrous or ciliate; appendages 1–2 mm long, incised, denticulate to nearly rounded, glabrous or pubescent; petals obovate to oblanceolate, lateral ones bearded or beardless, the basal emarginate or truncate at apex; spurs 3.5–6 mm long, much exceeding calycine appendages, slender, cylindrical, laterally compressed, obtuse, straight or slightly curved; styles 1.4–2 mm long, geniculate at base, clavate distally, with prominent marginal lobes at apex and anterior stigmatic beak.
• Capsules 6–10 mm long, ellipsoid, glabrous. Seeds ovoid, 1.2–1.4 mm long.
• Chromosome number n=12.

分布

• 世界 : South China, Indochina, Java, the Philippines and the Ryukyus.

引證標本

TAIPEI: Pachina, Niinami 1898 (Type of V. stenocentra, TAIF!); Yehliu, Wang 4221; Shihmen, Huang 8274. ILAN: Tungao, Wang 5063. TAOYUAN: Chonli, Kao 10182. MIAOLI: Tahu, Wang 5078. TAICHUNG: Lishan, Kao 5074; Jiayang, Wang 5061. CHANGHUA: Yuanlin, Kawakami s. n. 1907. NANTOU: Chingshuikou, Huang et al. 773; Lushan, Wang 4197. CHIAYI: Alisan, Huang & Kao 1613; Mt. Niitaka, Kawakami & Mori 1769 (Type of V. stenocentra, TAIF!). KAOHSIUNG: Meishan, Wang 4228. PINGTUNG: Nanjenshan, Yang 308. TAITUNG: Hsinkanshan, Yamamoto 903. HUALIEN: Hualien, Huang 4965.

引用文獻

• WANG, JENN-CHE and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 816. 1993.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)