生活型

tree-shrub

形態特徵

• Evergreen shrubs or small trees; twigs dark brown, terete, the pith regularly lamellate, young twigs thick, grayish, red-brown tomentose, and soon glabrescent, ridged below petioles. Terminal buds ovoid to obliquely ovoid, red-brown tomentose, 5–7 mm long.
• Leaves coriaceous, narrowly elliptic, narrowly oblong or narrowly obovate, 8–15(–22) cm long, (2–)2.5–5(–6) cm wide, apex acute to short acuminate, base cuneate to short attenuate, rarely rounded, margins (often much) recurved, entire but often distally with glandular teeth, shiny, glabrous on upper surface; glaucous on lower surface, glabrous or rarely sparsely hairy on midrib, midrib impressed on upper surface but often slightly prominent near base, very prominent on lower surface, nerves 7–16 pairs, impressed on upper surface, slightly prominent on lower surface, reticulation obscure on lower surface, petioles glabrous or sparsely hairy, adaxially sulcate, 10–40 mm long.
• Inflorescences a condensed spikes, terminal or axillaryon twigs and/or from axils of leaves, bracts orbicular to widely ovate, 2–4 mm long, apex obtuse, abruptly acute, sometimes with few glandular teeth on distal margin, bracteoles 2, obliquely oblong to obliquely ovate, (1.5–)2–3 mm long, apex rounded, both persistent, inside glabrous adaxially, outside rusty tomentose abaxially, margin ciliate. Calyx tube glabrous, ca. 1 mm long; limb 1.5–2 mm long, lobes ovate, 1–1.5(–2) mm long, rusty tomentose, margin ciliate; corolla white, 7–9 mm long, deeply 5-lobed, lobes elliptic, ciliate on distal margin, tube 1.5–2 mm long; stamens 20–40, pentadelphous; disc cylindrical, glabrous, 0.5–1 mm long; style glabrous 9–13 mm long, ovary 3-locular, with 4 ovules 4 per in each locule.
• Fruits bluish black, narrowly ovoid, often slightly curved, 7–10 mm long, 3–5 mm in diam. excluding persistent calyx lobes, stones narrowly ovoid, with 10 lengthwise grooves, mesocarp thin; endocarp woody, seed 1, straight, with straight embryo.

分布

• 台灣 : 600–2,500 m altitude.
• 世界 : The Ryukyus and S. China

引證標本

TAIPEI: Urai, Loa 215. ILAN: Peihenggonglu 71–74K, Yang s. n. HSINCHU: Luchuangtashan, Fukuyama 3381. MIAOLI: Compartment 133, Kuo & Kao 473. TAICHUNG: Hassensan, Iida et al. s. n.; Chikashanchuang, Chiu 1984; Wuling Farm to Chikasanchuang, Hsu 655. NANTOU: Chitou, Yamazaki & Yamazaki 150; Renluan logging track, Lu 15896; Meifeng Farm, Leu 456. CHIAYI: Alishan, Hayata s. n., U. Faurie 178, Kokawa 82, Satow 202, Chen 4029. KAOHSIUNG: Qishan, K. Mori; Maolingshan, Chen 109. PINGTUNG: Kenting, Izumi & Togashi. HUALIEN: Chungyangchienshan, Suzuki & Fukuyama ST17833; Taipingshan, Suzuki 1033, 4000.

參考文獻

• NAGAMASU, Hidetoshi, Flora of Taiwan, second edition 4: 124. 1998.  (Fl. Taiwan 2nd edit.)