Rubus trianthus

苦懸鉤子

Rubus trianthus Focke

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

Focke, Bibliotheca Botanica 72: 140. fig. 59. 1911. (Bidl. bot.)

台灣首次記錄發表文獻

Li, Woody Flora of Taiwan 310. 1963. (Woody Fl. Taiwan)

異名

Rubus conduplicatus Duthie ex Hayata

Hayata, Materials for a flora of Formosa 89. 1911. (Mat. Fl. Formos.)
Rubus incisus auct. non Thunb.

Koidz., The Journal of the College of Science, Imperial University of Tokyo, Japan 34: 121. 1913. (J. Coll. Sci. Univ. Tokyo)
Rubus incisus Thunb. var. conduplicatus (Duthie ex Hayata) Koidz.

Koidz., The Journal of the College of Science, Imperial University of Tokyo, Japan 34(2): 122. 1913. (J. Coll. Sci. Univ. Tokyo)
Rubus koehneanus Focke var. formosanus Card.

Card., Notulae Systematicae. Herbier du Museum de Paris 3: 306. 1916. (Not. Syst.)
Rubus incisus Thunb. ssp. koehneanus (Focke) Koidz. var. formosanus Masam. ex Kudo & Masam.

Masam. ex Kudo & Masam., Annual report of the Taihoku botanic garden, Faculty of Science and Agriculture, Taihoku Imperial Univeristy , Formosa, Japan 2: 130. 1932. (Ann. Rep. Taihoku Bot. Gard.)
Rubus subcrataegifolius auct. non (H. Lév. & Vaniot) H. Lév. & Vaniot

Naruhashi, Botanical bulletin of Academia Sinica 43: 194. 2002. (Bot. Bull. Acad. Sin.)

各語言俗名

中

高砂苦懸鉤子. 虎氏懸鉤子.
英

Bitter raspberry.
日

ほりいちご. たかさごにがいちご. おにいちご.

參考文獻

Juinn-Yih Huang and Jer-Ming Hu, Taiwania 54(4): 307. 2009.
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

特徵描述

生活型

shrub

形態特徵

A scandent and deciduous shrub; stems dark purplish, glabrous; prickles few, up to 5 mm long.
Leaves simple, chartaceous, ovate to ovate-oblong in outline, unlobed to deeply 3-lobed, 4–12 cm long, 2–10 cm wide, the apex acuminate, the base cordate, unevenly serrate to biserrate, glabrous on both surfaces, usually paler or whitish beneath, 3–5-nerved at base, midrib and veins slightly impressed above, raised and prominent beneath; petioles 1.5–3 cm long, glabrous, prickly; stipules linear-lanceolate, 5–10 mm long, glabrous.
Flowers few in short racemes, terminal or axillary; pedicels 1–2.5 cm long; bracts linear; calyx cupular, glabrous outside, pale tomentose inside, the lobes triangular-ovate to lanceolate, 4–7 mm long, the apex acuminate to long-pointed, blackish when dry; petals white, obovate, 6–10 mm long, both surfaces slightly pubescent; stamens glabrous; styles up to 2 mm long, hirsute at base.
Collective fruits globose, exocarp light reddish when ripe.

分布

台灣 : Taiwan, along roadsides and edges of forests at medium altitudes.
世界 : China.

引證標本

TAIPEI: Kapaoshan, Fukuyama ST19238. ILAN: Taipingshan, Suzuki s. n., 1928. HSINCHU: Wutzushan, Shimada 3373c. TAICHUNG: Chungshinlien, Huang 563. NANTOU: Chitou, Ou & Kao 9135. HUALIEN: Muhkwashan, Kao s. n., 1961.