生活型

herb

形態特徵

• Annuals to 100 cm long tall. Stems erect, often purplish, subquadrangular, narrowly winged, branched.
• Basal and lower leaves withered at anthesis, short-petiolate; leaf blade spatulate, base narrowed, margin entire, apex obtuse, veins 1–3. Middle leaves sessile, lanceolate, oblong, ovate, 1–5 cm long, 0.5–2 cm long wide, base obtuse, apex acute, veins 3–5. Inflorescences panicles of Cymess, many flowered, branches spreading.
• Flowers 4- or 5-merous. Pedicel erect, 5–15 mm long, slender. Calyx tube short, loosely ciliate-fimbriate inside throat; lobes ovate-elliptic, 2.5–4 mm long, apex acute, mid-vein distinct. Corolla white or pale blue, 5–8 mm long in diam., tube ca. 0.5 mm long; lobes oblong, 4–8 mm long, apex obtuse. Nectaries 2 per corolla lobe, near base of lobe, cupular, with a narrow scale and few long fimbriae. Filaments 4–5 mm long; anthers ellipsoid, ca. 1.5 mm long. Ovary ellipsoid-ovoid, ca. 3 mm long; style indistinct.
• Capsule ovoid, 7–8 mm long. Seeds 3–4 per Capsule, brown, ellipsoid to subglobose, 1.5–2 mm long; seed coat smooth.

分布

• 台灣 : at medium, from 1,400 to 3,900m.
• 世界 : India, Bhutan, Nepal, Sikkim, Burma, and south western China.

引證標本

HSINCHU: Tapachienshan, Huang 50. TAICHUNG: Wuling, Peng 12034; Chika Lodge to Sanliuchiu Lodge, Chen 1331; Nanhushanchuang to Yunlingshanchuang, Hsu 797. NANTOU: Randaizan, Hayata & Mori 7114 (Holotype of S. randaiensis, TI!); Tsuifeng, Wang 10166; Tienchih to Kuailin, Ho et al. 633. CHIAYI: Tatachia saddle to Paiyun Lodge, Peng 14365; Alishan, Sasaki s. n. 1932.

參考文獻

• WANG, Jenn-Che, CHEN, Chih-Hsiung, LU, Chang-Tze and CHEN, Ya-Chi, Flora of Taiwan, second edition 4: 178. 1998.  (Fl. Taiwan 2nd edit.)