生活型

herb

形態特徵

• Slender herbs, to 50 cm tall; stems and branches square but terete on older parts.
• Leaf blades 1–2 cm long, 0.5–1 cm wide, ovate, base cuneate, apex obtuse, margins serrate, upper surface puberulent, lower surface covered with glandular dots, loosely puberulent on veins; petioles puberulent, 2–5 mm long.
• Inflorescences to 4 cm long, bracteoles 3.5–4 mm long, fan-shaped, opposite, connate, forming an open cup-shaped funnel, with veins connected below the margin, minutely hairy toward apex; calyx urceolate, covered with glandular dots, limb widely bilabiate at anthesis, upper lip entire, lower lip 4-toothed, teeth narrowly triangular, tube 3–3.5 mm long; corolla 2.5–3.5 mm long, slightly bilabiate; anthers 2-celled, confluent; stigma bifid.
• Nutlets ca. 0.5 mm wide, ovoid, wrinkled after drying.

分布

• 世界 : Mainland China, Myanmar, Indonesia, Borneo, Thailand, Cambodia and Malaysia.

引證標本

CHIAYI: Yushan, Sasaki s. n. 1933*.

參考文獻

• HUANG, Tseng-Chieng, HSIEH, Tsung-Hsin and CHENG, Wu-Tsang, Flora of Taiwan, second edition 4: 434. 1998.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)