生活型

tree

形態特徵

• Trees up to 25 m tall; branchlets slender.
• Leaves chartaceous, elliptic to oblong, 6-15 cm long, 3-5 cm broad, apex mucronate to short caudate, base acute to rounded, oblique, margins double serrate, scabrous on both surfaces, lateral veins 11-15 pairs; petioles stout, 4-5 mm long, pubescent.
• Flowers many, in short axillary cymes; calyx campanulate, ca. 3 mm long, 5-lobed, lobes rounded at apex, glabrous outside, margins ciliate.
• Fruit a membranous samara, ovate to oblong.

分布

• 台灣 : In forests from 800 to 2,500 m in the central part.

引證標本

ILAN: Shiyuanyakou, Yang & Hsieh 4084. HSINCHU: Location unknown, Tanaka s. n. 1913. TAICHUNG: Lishan, Feung & Kao 4589; Tayulin, Tang 1287. NANTOU: Tsufong, Hsu 14384. CHIAYI: Alishan, Uyematsu s. n. 1913; Yushan, Kawakami & Sasaki s. n. 1906.

引用文獻

• YANG, YUEN-PO and LU, SHENG-YOU, Flora of Taiwan, second edition 2: 133. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)