生活型

herb

形態特徵

• Annual, biennial, or perennial herbs; stems to 1 m tall, simple or much branched apically, strigose, less hairy upward.
• Leaves oblong, lanceolate to ovate-lanceolate, basal and lower cauline leaves 8–20 cm long, 2.5–4.5 cm wide, decreasing in size upward, gradually tapering towards base, sometimes semiamplexicaul, apex acute, margin entire; strigose on both surfaces, more densely so along veins, without cycle of accessory cells; petioles of basal leaves ca. 3.5 cm long.
• Cymes terminal and subterminal, mostly paired, divaricate; pedicels 1–3 mm long, strigose. Calyx 2.5–3.5 mm long at flowering, 4–5 mm long in fruit, strigose. Corolla blue, 3–5 mm long, 5–7 mm in diam, tube shorter than calyx; fornices cucullate. Filaments very short, anthers reaching froncies. Style ca. 2 mm long; stigma small, helmet-like.
• Nutlets ovoid-globose, 2–4 mm long, 1.5–2.5 mm wide, dorsally slightly convex, evenly glochidiate.

分布

• 台灣 : common in meadows and waste places in the mountains.
• 世界 : Japan, S. China, Malesia, Indochina, India, Pakistan and Afghanistan.

引證標本

ILAN: Nanshan, Kuoh 3131; Taipingshan, Chuang et al. 4656. HSINCHU: Kwanwu, Huang 4728; Tapachienshan, Kuoh 3250. MIAOLI: Nanchuang, Hsu 12681; Santoushan, Huang 8793. TAICHUNG: Chika, Huang 7272; Nanhutashan, Wang et al. 3862. NANTOU: Chitou, Kao 5670; Hoshe, Huang 4049. CHIAYI: Alishan, Chuang 2694; Paiyun, Hsu 6355. KASOHSIUNG: Nanhen, Yang 1821. TAITUNG: Wuling to Chikar, Jeng 980. HUALIEN: Hohuanshan, Hsu 11077; Tayilin, Kao 7761.

參考文獻

• HSIAO, Ju-Ying and LIU, Ho-Yih, Flora of Taiwan, second edition 4: 391. 1998.  (Fl. Taiwan 2nd edit.)