生活型

tree

形態特徵

• Medium-sized evergreen trees; young leaves rusty-brown-hairy beneath, soon becoming glabrous.
• young leaves rusty-brown-hairy beneath, soon becoming glabrous. Leaves coriaceous, ovate-lanceolate, 8.2–12 cm long, 1.9–3.8 cm wide, acuminate at apex, acute to obtuse at base, glabrous above, ferrugineous-brown beneath, entire or serrate towards apex, lateral veins 9–13 pairs; petioles 0.7–1.3 cm long.
• Staminate flowers 3.5 mm long, 2.8 mm wide; perianth 6–parted, sparsely hairy outside, densely hairy inside; stamens 12, filaments 3 mm long, anthers 0.2 mm wide, longitudinally dehiscent. Pistillate catkins 7–13 cm long, flowers about 2.3 mm long, 0.8 mm wide; ovary with 3 styles, stigmas pointed.
• Fruits globose, 2–4.2 cm long, 2.5–4.5 cm wide; spines of cupule stellate-branched, 1.2–1.4 cm long, 1.5 mm wide, densely brown-pubescent; nuts 1–3, enclosed in an involucre, 1.4 cm long, 1.7 cm across, tomentose.

物候

fruit maturing from December to January.

分布

• 台灣 : growing at 400–1,000 m altitude at Silin, Fenglin near Hualien, Shuang-liu near Fengkang, and Mt. Hiiran (Nanjenshan), Kaoshihfu near Hengchun.
• 世界 : Distributed in mainland China (SE, S & SW).

引證標本

HUALIEN: Silin, Fenglin, Liao 11266 & 11272. PINGTUNG: Shuangliu, Liao 10425.

參考文獻

• LIAO, JIH-CHING, Flora of Taiwan, second edition 2: 57. 1996.  (Fl. Taiwan 2nd edit.)