Rubus fraxinifolius

榿葉懸鉤子

Rubus fraxinifolius Poir.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

Poir., Encyclopédie méthodique: Botanique 6: 242. 1806. (Encycl. Method. Bot.)

Matsum., The Botanical magazine, Tokyo 16: 4. 1902. (Bot. Mag. Tokyo)

Rubus fraxinifolius Poir. var. kotoensis (Hayata) Koidz.

Koidz., The Journal of the College of Science, Imperial University of Tokyo, Japan 34(2): 144. 1913. (J. Coll. Sci. Univ. Tokyo)
Rubus kotoensis Hayata

Hayata, Icones Plantarum Formosanarum 3: 90. 1913. (Icon. Pl. Formos.)
Rubus alnifoliolatus Lévl. var. kotoensis (Hayata) Li

Li, Woody Flora of Taiwan 320. 1963. (Woody Fl. Taiwan)
Rubus alnifoliolatus Lévl.

Liu & Su, Flora of Taiwan 3: 107. 1977. (Fl. Taiwan)

shrub

Erect shrubs; stem glabrous, unarmed.
Leaves up to 25 cm long, imparipinnate; leaflets 3–7, elliptic to oblong, 3–10 cm long, 2–4 cm wide, the terminal leaflet often larger than the lateral ones, the apex acute to long-pointed, the base rounded to slightly cordate, in lateral leaflets often oblique, the margin serrate, lateral veins 10–15 pairs, midrib and lateral nerves impressed above, prominent beneath, upper surface sparsely hairy on the midrib, lower surface the same and also on the nerves; petioles 2–5 cm long, grooved above, glabrous; petiolules of latewral leaflets 0–5 mm long, grooved above, softly hairy; stipules linear, up to 1.2 cm long.
Inflorescence a terminal thryse up to 14 cm long; pedicels 1–3 cm long; bracts lanceolate to oblong, often apically divided; calyx-lobes triangular-ovate, 6–10 mm long, apex long-pointed, galbrous outside except a woolly indumentum on the margins, inside densely wooly except on the tips; petals orbicular, 7–12 mm long, white, glabrous; stamens and pistils glabrous.
Collective fruits globular to ellipsoid, 8–14 mm long, exocarp red when ripe.

台灣 : Taiwan, only in Lanyu.
世界 : Java, Lesser Sunda Islands, Borneo, Phillipines, Celebes, Moluccas, New Guinea, Bismarck Archipelago, Solomon Islands.