Rhamnus formosana

桶鉤藤

endemic

Rhamnus formosana Matsum.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

名彙資訊

學名發表文獻

Matsum. 1898. The Botanical magazine, Tokyo 12: 22. (Bot. Mag. Tokyo)

台灣首次記錄發表文獻

同發表文獻

各語言俗名

中

桶鉤藤、台灣鼠李
台

Ó bàk á、Thang kau tîn
原

Rabaru (Paiwan)、Tyabagan (Paiwan)、Zyakowan (Paiwan)
英

Formosan buckthorn
日

たいわんくろうめもどき

參考文獻

Yang. 1982. A list of plants in Taiwan. (List Pl. Taiwan)

特徵描述

生活型

shrub

形態特徵

A shrub to 10 m more or less scandent.
Leaves chartaceous, oblong, variable in size, mostly 6–12 cm long, 3 .5–5 cm broad, obtusely caudate, rounded or obtuse at base, serrate along the margins, green and glabrous above, very slightly paler beneath and slightly pubescent in the vein axils, the midrib impressed above, raised beneath, the lateral veins subconspicuous above, slender and raised beneath, 6–7 per side, petioles about 2 cm long.
Inflorescences in axillary clusters; flowers unisexual, pentamerous; pedicels 1–2 mm long, pubescent, soon glabrous.
Fruit a drupe, globose, 6 mm thick, dull red, soon becoming black; pedicels 3–4 mm long.

分布

台灣 : in broad-leaved forests and thickets to 1,000 m, common especially in the south.

引證標本

TAIPEI: Suzuki s. n. 1927*. HSINCHU: Chienshih, Yang 3278. TAICHUNG: Wushihkan to Anmashan, Liu et al. 356. NANTOU: Mingchien, Wu 9972. CHIAYI: Fenchihu, Chang 6073. KAOHSIUNG: Tenchih, Tateishi et al. 13060. PINGTUNG: Nanjenshan, Wang 10099. TAITUNG: Chihpen, Tateishi et al. 15446. HUALIEN: Tailuko to Hsipan, Tateishi et al. 16178.