Pterygocalyx volubilis

翼萼蔓

Pterygocalyx volubilis Maxim.

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

Maxim., Mémoires de l'Académie Impériale des Sciences de Saint-Pétersbourg. 9: 198. 1859. (Mém. Acad. Imp. Sci. St. Pétersb.)

台灣首次記錄發表文獻

J. Murata, Journal of Japanese Botany 63(4): 164. 1988. (J. Jpn. Bot., 植物硏究雑誌)

異名

無

各語言俗名

無

特徵描述

生活型

herb

形態特徵

Stems slender.
Petiole 2–4 mm long; leaf blade broadly lanceolate to linear-lanceolate, 2–5 cm long, 5–10 mm long wide, apex long acuminate, base narrowed, margin entire, subtrinerved.
Flowers short-pedicellate, solitary on terminal branches; calyx tube 1.5–2 cm long; calyx lobes 4, broadly linear, 3–5 mm long, laterally flattened and winglike; corolla blue-purple or white, 3–3.5 cm long, shallowly 4-cleft; Stamens inserted at middle of corolla tube; filaments filiform, flat, ca. 5 mm long; anthers ovoid, Ovary ellipsoid; style slender, 2–3 mm long; stigmas lamellate or disc-like, slightly curved downward.
Capsules narrowly ellipsoid, ca. 1 cm long, stipe slightly shorter than the Capsule. Seeds minute, thin-winged on margin.

分布

台灣 : Northern and central Taiwan 1,800–2,800m. Rare.
世界 : Russia, Japan, Korea, mainland China.

引證標本

TAICHUNG: Suyuanakou, Tateishi et al. 19183B. NANTOU: Yunfeng, Ohashi et al. 12533; Hsinjengone, Ying s. n. 1987. HUALIEN: Kuanyuan, Chen 1856; Hoping logging tract, Kao 306.