生活型

tree

形態特徵

• Small evergreen trees, bark brown, smooth; twigs brown, terete, pith often lamellated, young twigs thick, red-brown, glabrous or rusty tomentose, ridged below petioles; terminal buds ovoid to narrowly ovoid, glabrescent to rusty tomentose, apex acuminate, 3–8 mm long.
• Leaves coriaceous, narrowly oblong, narrowly elliptic or narrowly obovate, 8–15(–18) cm long, (1.5–)2–4 cm wide, apex acuminate, caudate or sometimes acute; base cuneate, margin recurved, entire or often distally with glandular teeth, glabrous or sparsely cobwebby hairy on both surfaces, especially on midrib, densely papillose on lower surface, midrib impressed on upper surface, very prominent on lower surface, nerves 8–13 pairs, prominent on both surfaces, rarely impressed on upper surface, petiole glabrescent to rusty tomentose, deeply grooved lengthwise when dry, 8–20 mm long.
• Inflorescences a contracted axillary or terminal spikes, from axils of leaves and/or on twigs, up to 1 cm long, axis rusty tomentose; bracts orbicular, widely ovate or widely obovate, 2–3 mm long, apex rounded, bracteoles 2, ovate to oblong, 1.5–2 mm long, apex obtuse to rounded, both persistent, adaxially glabrous, abaxially rusty tomentose. Calyx tube glabrous, 0.5–0.8 mm long, limb 1.5–2 mm long, lobes, elliptic to oblong, 1–1.5 mm long, apex rounded to obtuse, abaxially outside tomentose; corolla white, 4–5.5 mm long; deeply 5-lobed, lobes elliptic, tube ca. 1 mm long; stamens indistinctly pentadelphous, 35–55; disc annular, short cylindric or pulvinate, glabrous; style glabrous, 4–5.5 mm long; ovary 3-locular, with 4 ovules 4 perin each locule.
• Fruits bluish black, (obliquely) ovoid, 12–19 mm long, 6–8 mm in diam., calyx lobes caducous or partly persistent, stones (obliquely) ovoid, shallowly grooved lengthwise or rather smooth, 10–17 mm long, 5–7 mm in diam., mesocarp thin, endocarp woody, seed

分布

• 台灣 : at 100–2,200 m altitude.
• 世界 : Japan (including the Ryukyus), S. China and Indo-Indochina.

引證標本

TAIPEI: Kelung, Faurie 312; Sinten, Odashima 17773; Tamsuy, Oldham 295; Shiratsuku, Shinko, Kawakami & Mori 1320; Pihu, Kuo 6654; Yuanshan, Huang 2367; Urai, Sasaki 189; Nuannuan, Kuo 5833; Wuliaochien, Peng 8697. TAOYUAN: Hsiahu-Kueishan, Leu 1062. HSINCHU: Luchuangtashan, Fukuyama 3380. TAICHUNG: Hassensan, Iida et al. s. n. NANTOU: Meifeng, Ohashi et al. 12488; Lienhuachih, Yu et al. s. n., Mori s. n.; Puli, Taniguchi s. n.; In silvis pedum montis Baran ad Nichigetsutan, Kudo & Sasaki 15166. CHIAYI: Alishan, Yamamoto & Mori s. n., Sasaki s. n. KAOHSIUNG: Sanping, Huang 497. PINGTUNG: Mutan Hsiang, Hsuhai 200 m, Wang 1435; Tahanshan, Yang 2703. TAITUNG: Tahanshan, Yang 2510.

引用文獻

• NAGAMASU, Hidetoshi, Flora of Taiwan, second edition 4: 112. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)