生活型

herb

形態特徵

• Herbs or suffruticose plants, to 1 m tall, covered with septate hairs; stems erect, round or square, glabrous or sparsely and minutely hairy.
• Leaves petiolate; petioles slender, minutely hairy, to 5 cm long; blades 4–8 cm long, 2–4 cm wide, ovate to broadly ovate, base cuneate, apex acute, margins irregularly incised or 3-lobed, upper surfaces sparsely and minutely hairy, lower surface glabrous or minutely hairy on veinlets, glandular dotted
• Flowers in verticillate cymes forming terminal or axillary racemes or panicles to 15 cm long; calyx campanulate, 3–4 mm long, 5-toothed, glabrous at base, or minutely hairy on nerves and margins, teeth triangular; corolla small, limb bilabiate, glabrous or minutely hairy on lower lip, upper lip 3-lobed, lobes subequal.
• Nutlets ellipsoid, smooth.
• Chromosome number 2n = 64.

物候

Flowering time from September to the following April.

引證標本

ILAN: Obishan, Masamune s. n. 1938. MIAOLI: Fuki, Simada 5419B. TAICHUNG: Setuzankokei, Suzuki 21576*. NANTOU: Hoshe, Suzuki s. n. 1935. KAOHSIUNG: Shanping, Huang 4956.

參考文獻

• HUANG, Tseng-Chieng, HSIEH, Tsung-Hsin and CHENG, Wu-Tsang, Flora of Taiwan, second edition 4: 508. 1998.  (Fl. Taiwan 2nd edit.)