生活型

herb

形態特徵

• Biennial or perennial herbs; stems to 1.5m tall, simple or branched, hispid.
• Leaves lanceolate to oblong-lanceolate, basal and lower stem leaves 5–11 cm long, 1–3 cm wide, decreasing in size upward, base gradually tapering, sometimes semiamplexicaulous, apex acute, margin entire; hispid on both surfaces, densest along veins, hairs on upper surface with (0-)1–4 cycles of calcified accessory cells.
• Cymes terminal and subterminal, mostly paired, divaricate; pedicels 1–2 mm long, hispid. Calyx 1–2 mm long, hispid. Corolla whitish blue, 2–4 mm long, 3–5 mm in diam., tube shorter than calyx; fornices transversely linear. Filaments very short, anthers below froncies. Style ca. 1 mm long; stigma small, indistinct.
• Nutlets subglobose, 2–3 mm in diam., dorsally slightly convex, evenly glochidiate.

分布

• 台灣 : roadsides and forest edges in hilly places.
• 世界 : Widely distributed in warmer regions of the Old World.

引證標本

ILAN: Chiaochi, Huang & Huang 13126. TAIPEI: Chiting, Huang 1517; Yenliao, Lu et al. 60. HSINCHU: Yulou, Kao 8732. MIAOLI: Chiting, Tang 471; Miaoli, Huang 5548. TAICHUNG: Wuling, Huang 7030. NANTOU: Neimoupu to Hoshe, Huang & Kao 5294. YUNLIN: Tuku, Kao 10464. CHIAYI: Tongseh, Kao 10596. KASOHSIUNG: Chishan, Kuoh 1427.

參考文獻

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