生活型

tree

形態特徵

• Medium-sized Evergreen trees; branchlets glabrous, dark-brown when dry; buds ovoid, 6 mm long, 3.5 mm broad, acute to obtuse at apex, sericeous-puberulent, scales subrounded, densely sericeous-hirsute outside.
• Leaves coriaceous, glabrous, entire, ovate-oblong to obovate-oblong, 6-9.5 cm long, 2.5-3.5 cm broad, with 3 main veins, acuminate or cuspidate at apex, obtuse, rounded or acute at base, midrib slightly elevated on both surfaces, lateral veins 4 pairs, glabrous above, glaucous beneath, veinlets subparallel, elevated; petioles 1.8 cm long, glabrous, dark brown when dry, sulcate above.
• Inflorescences glomerulate, appearing September, 5-7-flowered; involucral bracts hirsute, 1-2 mm long, caducous; peduncles 1-2 mm long; pedicels 2 mm long, tomentose; staminate flowers with receptacle short campanulate, densely hirsute outside, glabrous inside; tepals 4, ovate-oblong, obtuse at apex, 2 mm long; fertile stamens 6, filaments 3 mm long, sparsely hirsute at base; pistillate flowers with receptacles obconic, 1 mm long, hirsute on both sides; tepals 4, lanceolate, 1 mm long, 0.7 mm broad, acute at apex, hirsute outside, glabrous inside; staminodes linear, sparsely hirsute at base; ovary ovoid, 1 mm long, densely hirsute at apex, subglabrous at base.

物候

Inflorescences appearing September, maturing January to February.

分布

• 台灣 : confined to the south central mountain regions.

引證標本

KAOHSIUNG: Shingshan, Liukuei, Liao 11079. PINGTUNG: Kuaru, Kengtin, Hou 11415; Hengchun, Liao & Kuo 1811.

參考文獻

• LlAO, JIH CHING. 1996. Flora of Taiwan, second edition 2: 492. (Fl. Taiwan 2nd edit.)