生活型

herb

形態特徵

• Annual herbs. Stems usually branched, yellowish green, 6–8 cm long tall.
• Leaves aristate-acuminate at apex; radical leaves lanceolate or ovate, 7–8 mm long; cauline leaves lanceolate to narrowly ovate, ca. 5 mm long.
• Flowers pedicellate, pedicels 2–6 mm long; calyx tube campanulate, 2–3 mm long, with 4 or 5 scabrous costae; calyx lobes 4 or 5, margins minutely serrulate; corolla tubular-campanulate, light blue, ca. 7 mm long, lobes 4 or 5. Stamens 4 or 5, anthers oblong, 0.4–0.6 mm long, filaments ca. 3–5 mm long. Ovary short stipitate, 2–3 mm long.
• Capsules obovoid, ca. 4 mm long, Seeds ovoid, with minute longitudinally reticulate striae, 0.5–0.6 mm long.

分布

• 台灣 : on semishaded grasslands and roadsides in the northeastern part of the island. From 50 to 2,100 m in elevation. Rare.

引證標本

ILAN: Tungao, Huang 3706. HUALIEN: Loshao, Chen 1603; Yenhailintao, Chen 1195, Wang 7664; Wuchuancheng, Kawakami s. n. 1907 (Holotype, TI; isotype, TAIF).

參考文獻

• WANG, Jenn-Che, CHEN, Chih-Hsiung, LU, Chang-Tze and CHEN, Ya-Chi, Flora of Taiwan, second edition 4: 173. 1998.  (Fl. Taiwan 2nd edit.)