生活型

herb

形態特徵

• Herbs, to 70 cm tall, covered with septate hairs. Stems erect, square, angles obtuse, glabrous or minutely hairy, nodes puberulent.
• Leaves petiolate; petioles puberulent, 5–15 mm long; blades 1–4 cm long, 0.5–2 cm wide, narrowly ovate to ovate, base cuneate, apex acute, margins serrate, upper surface sparsely and minutely hairy, lower surface glandular dotted, minutely hairy on veinlets, reddish.
• Inflorescences of axillary verticillate cymes; foliaceous bracts 2–3 mm long, 0.5–1.5 mm wide, small, elliptic, both surfaces minutely hairy. Flowers pedicellate; pedicels minutely hairy, 1–3 mm long; calyx tubular, limb bilabiate, divided 1/3 its length, 5-ribbed, puberulent on ribs, 5–8 mm long, 2–3 mm wide, upper lip 3-toothed, teeth triangular, 0.5–1 mm long, lower lip 2-toothed, teeth narrowly triangular, ca. 2 mm long; corolla tubular, 6–8 mm long, 2–3 mm wide, limb slightly bilabiate, puberulent, lower lip 3-lobed, lobes broadly ovate, slightly undulate on margin, upper lip broadly obovate, emarginate; stamens didynamous, inserted in throat.
• Nutlets obovoid, glabrous, 1–1.2 mm long, ca. 0.5 mm wide.

分布

• 世界 : Japan, mainland China, the Himalaya and Java.

引證標本

ILAN: Nanhutashan, Masam. et al. 3089. HSINCHU: Kuanwu, Huang 4137. TAICHUNG: Pahsiehshan, Suzuki 5693. NANTOU: Hoshe, Huang 2204. CHIAYI: Mt. Ali, Huang 4546*. TAITUNG; Lilung, Yamamoto & Mori 537; Wushan, Hosokawa 5290. HUALIEN: Luanshan, Huang 4195.

參考文獻

• HUANG, Tseng-Chieng, HSIEH, Tsung-Hsin and CHENG, Wu-Tsang, Flora of Taiwan, second edition 4: 485. 1998.  (Fl. Taiwan 2nd edit.)