Viola grypoceras

紫花堇菜

Viola grypoceras A. Gray

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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名彙資訊

學名發表文獻

A. Gray, Narrative of the Expedition of an American Squadron to the China Seas and Japan 2(Append.): 308. 1856. (Narr. Exped. Amer. Squadron China Seas Japan)

台灣首次記錄發表文獻

Wang & Huang, Taiwania 35: 41. fig. 11. 1990.

異名

Viola acuminata Ledcbour

Kao & Chiu, Quarterly journal of Chinese forestry 11: 119. 1978. (Quart. J. Chin. For., 中華林學季刊)

各語言俗名

中

銳葉菫菜.

特徵描述

生活型

herb

形態特徵

Perennial herb; rhizome horizontal to erect, more or less stout; stem up to 15 cm, ascending to erect.
Leaves 1–2.5 cm long, 0.9–2.8 cm broad, broadly ovate, cordate-ovate or rarely cordate-reniform, cordate at base, acute or rarely obtuse at apex, depressed crenate on margin, glabrous or sparsely pubescent on both surfaces, herbaceous to chartaceous; petioles 1–10 cm long, slender; stipules 5–10 mm long, ovate-lanceolate to lanceolate, acuminate at apex, fimbriate-laciniate on margin, glabrous, free.
Flowers 1.5–2.5 cm across, light purple; peduncles 4–11 cm long, slender, exceeding leaves; sepals 3–6 mm long, 0.8–1.2 mm broad, lanceolate, acute at apex, entire, glabrous; appendages 0.5–1 mm long, rounded or squarish, glabrous; petals obovate, ca. 6 mm broad, basal longest, rounded at apex, the lateral ones beardless; spurs (3-)4–7 mm long, yellowish green, much exceeding calycine appendages, cylindrical, obtuse; styles 3 mm long, slightly geniculate at base, filiform, apex gently hooked, with terminal stigmatic openning.
Capsules 5–7 mm long, ellipsoid, glabrous. Seeds ovoid, ca. 1.2 mm long.
Chromosome number n=10.