生活型

tree

形態特徵

• Deciduous trees, up to 20 m tall; branchlets dark brown, velutinous and puberulous, glabrescent; bud scales brown, slightly brown puberulous, brown ciliate.
• Leaves chartaceous or coriaceous, asymmetrically or symmetrically broadly ovate, ovate to oblong-ovate, 4.5-12 cm long, 2.5-4 cm broad, puberulous or nearly glabrous on upper surface, velutinous and short rufous multicellular hairy on lower surface, apex acuminate, acute to obtuse, base oblique or slightly oblique to symmetrical, acute, obtuse, rounded or slightly cordate, margins serrate, rounded-serrate, serrulate, or sub-entire, lateral veins 3-5 pairs; petioles 5-10 mm long, puberulous.
• Flowers solitary, paired, or clustered; calyx 4-lobed, long-ovate, ca. 2 mm long, glabrous, ciliate; stamens 4, filamens ca. 2 mm long; ovary glabrous; pedicels 5-6 mm long, velutinous.
• Fruit solitary or paired, globose, 5-8 mm across.

分布

• 台灣 : along the coast, on plains and in thickets at low to medium elevations throughout, not no Hengchun Peninsula.
• 世界 : China, Korea, Vietnam, Japan to the Ryukyus.

引證標本

TAIPEI: Shihmen, Kao 3953; Neihu, Wang et al. 271. KEELUNG: Hopingtao, Chuang & Kao 5545. TAOYUAN: Chuwei, Kuo 10990. HSINCHU: Shienchiaoshih, Kao 10213; Kantin, Huang & Kao 3143. TAICHUNG: Chiayang, Lu 4823. KAOHSIUNG: Liukuei, Lin 2531.

引用文獻

• YANG, YUEN-PO and LU, SHENG-YOU, Flora of Taiwan, second edition 2: 128. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)