生活型

herb

形態特徵

• Herbs or suffruticose plants, covered with septate hairs; stem stout, minutely hairy, angles obtuse.
• Leaves petiolate; petioles minutely hairy, 1–5 cm long; blades 12–20 cm long, 6–12 cm wide, elliptic to ovate, both surfaces glabrous, minutely hairy on veinlets beneath.
• Flowers in dense verticillate cymes; calyx campanulate, 7–9 mm long, 5-toothed, teeth equal or nearly so, densely covered with tomentose hairs; corolla 9–11 mm long, minutely hairy, upper lip erect, lower lip 3-lobed, central lobe undulate; stamens 4, anthers 2-celled.
• This species is similar to <i>P. javanica</i> but can be distinguished by the yellow tomentose hairs on its calyx.

引證標本

TAIPEI: Wulai, Suzuki 4907. TAOYUAN: Sotenzan, Suzuki 47007. NANTOU: Hoshe, Huang 4073. PINGTUNG: Jerasoyana, Suzuki 6124; Kuraru, Matuda s. n. 1927. HUALIEN: Luanshan, Kao et al. 66971.

參考文獻

• HUANG, Tseng-Chieng, HSIEH, Tsung-Hsin and CHENG, Wu-Tsang, Flora of Taiwan, second edition 4: 504. 1998.  (Fl. Taiwan 2nd edit.)