生活型

herb

形態特徵

• Perennial herb; rhizome erect to ascending, rather thin, usually with stolons rooting at ends and producing dense rosettes of leaves and flowers.
• Leaves 1–3 cm long, 1–2.5 cm broad, ovate or elliptic, broadly cordate at base, rounded or obtuse at apex, crenate on margin, narrowly long-decurrent on petiole, hirsute above, nearly glabrous beneath, herbaceous; petiole 1–7 cm long. Stipules 5–14 mm long, 1–2 mm broad, linear-lanceolate to lanceolate, acuminate at apex, sparsely fimbriate-laciniate on margin, partly adnate to the petioles.
• Flowers 15–20 mm across, pale purple to almost white with dark violet veins on the basal petal; peduncle 4–17 cm long, slender, twice to fourth times as long as petioles; sepals 5–8 mm long, 1–1.5 mm broad, linear-lanceolate to linear, acute at apex, sparsely fimbrio-ciliate on margin; appendages up to 0.5 mm long, rounded, fimbrio-ciliate; petals obovate, the basal shortest, acute at apex, lateral ones beardless; spurs 1–1.5 mm long, obtuse; styles ca. 2 mm long, geniculate at base, clavate distally, with two lateral lobes at apex and anterior stigmatic beak.
• Capsules 5–6 mm long, ellipsoid, glabrous. Seeds ovoid, 1–1.2 mm long.
• Chromosome number n=24.

引證標本

TAIPEI: Chishingshan, Wang 4203; Shichiseitonzan, Hayata s. n. 1900 (Type of V. nagasawai, TI!); Tatunshan, Faurie s. n. 1903 (Type of V. nagasawai, TI!); Tsutzuhu, Nagasawa 320 (Type of V. nagasawai, TI!). ILAN: Taipingshan, Yang s. n. Apr. 30, 1987; Shernmihu, Wang 5051; Mt. Bonbon, Hayata & Sasaki s. n. 1917 (Type of V. acutilabella, TI!). TAOYUAN: Lalashan, Hsieh et al. s. n. 1986.

參考文獻

• WANG, JENN-CHE and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 827. 1993.  (Fl. Taiwan 2nd edit.)