生活型

tree

形態特徵

• Small evergreen trees; twigs dark brown, terete, young twigs brown with appressed or patent brown hairs; terminal buds ovoid to subulate, with the same indument as on young twigs, the apex acuminate, and usually curved.
• Leaves coriaceous, narrowly (often obliquely) rhomboidal, oblong or lanceolate, 5–10 cm long, 1.5–3.5 cm wide, apex acuminate to long caudate, with apiculate tip, base often subequal, cuneate, rounded or obtuse, sometimes slightly cordate, margins slightly recurved, crenate-serrate with teeth, teeth (1–)2–4(–6) mm apart, shiny on upper surface, glabrous except midrib or rarely sparsely setose, dull or glossy on lower surface, sparsely appressed pubescent or setose, midrib sulcate of slightly prominent at the base on upper surface, prominent and appressed hairy or setose on lower surface, nerves 6–10 pairs, slightly prominent on lower surface, petiole with appressed or obliquely patent hairys, 1–3(–4) mm long.
• Inflorescences axillary, a simple spikes or shortly pedicelled racemes, 4- to 20-flowered, 1–5 cm long, axis villose with same indumentum as young twigs; pedicel to 1(–2) mm long, bracts semiorbicular to ovate, keeled, 1.5–2.5 mm long, apex obtuse or acute, bracteoles 2, ovate to triangular, ca. 1.5 mm long, both persistent, adaxially glabrous, abaxially appressed hairy. Calyx tube glabrous, 1–1.5 mm long, limb 1–1.5 mm long, lobes imbricate, ovate, 1–1.5 mm long, glabrous or abaxially appressed hairy, apex obtuse; corolla deeply 5-lobed, white, lobes elliptic, ca. 4 mm long; stamens ca. 25; disc 5-glandular, pilose or rarely glabrous, with 5 glands; style glabrous, swollen at base, 4–6 mm long, ovary 3-locular.
• Fruits obliquely ovoid to globose, crowned by persistent calyx lobes, 5–7 mm long excluding calyx limb, 4–5 mm in diam.
• Plants in S.from southern China have more dense indumentum and sometimes with have patent hairs, as in S. trichoclada Hayata.

分布

• 台灣 : 1,500–2,100m altitude.
• 世界 : S. China.

引證標本

TAIPEI: in laurilignosis inter Sansho et Suigen, Suzuki 8622; Lupei, Hsieh 673; Bunzan, Suzuki ST17910. ILAN: Taipingshan, Feung & Kao 5066, Sasaki s. n., Suzuki 3817; Nanhutashan, Kuo 5109, Yamazaki et al. 402; Chilanshan, Kuo 8177; Yuangyanghu, Leu 2023. TAOYUAN: Pallin to Tamanshan, Yang 1267, 1270; Lalashan, Peng 14641. HSINCHU: Yuenyanhu, Kuo 8473. MIAOLI: Tongshiishuishan, Wu & Cheng 1298. TAICHUNG: Anmashan, Liu et al. 418; Wuling Farm, Yang et al. 6124. NANTOU: Sanlinchi, Huang & Tsou 9989; Chiti, Chen 4317; Hsitou, Liu et al. s. n.; Honghuangshan, Liu et al. 637. CHIAYI: Alishan, Sasaki s. n., Hayata s. n., Faurie 1456, 1748, Nimandaira, Hashioka s. n. KAOHSIUNG: Chuyunshan, Ou et al. s. n. HUALIEN: Mukua-shan, Nakamura 4631; Chinshui-shan, Nakamura 3347; Fong shan branch, Taroko Forest, Liu et al. 60; Chungyangchienshan, Fukuyama & Suzuki ST16131; Mt. Daroko, Keng & KaoK2718.

參考文獻

• NAGAMASU, Hidetoshi, Flora of Taiwan, second edition 4: 103. 1998.  (Fl. Taiwan 2nd edit.)