生活型

herb

形態特徵

• Perennial prostrate herbs, profusely branched; stem 10–20 cm long, pubescent.
• Leaves chartaceous; petioles 3–5 mm long, pubescent, with 2 vascular bundles; blades ovate to broadly ovate, 0.8–2.2 cm long, 0.6–1.5 cm wide, apex acute or broadly acute, blades obtuse to truncate, margins serrate, both surfaces scabrid, with glandular dots on lower surface.
• Flowers in terminal or axillary verticillate cymes, 14–16-flowered; bracts setaceous, 3.5–5.5 mm long, spreading long pilose on margin; pedicel 3 mm long, pubescent; calyx tubular, bilabiate, 4.5–5 mm long, spreading long pilose on nerves near base, otherwise with short hairs; upper lip ca. 1 mm long, 3-lobed, lobes triangular; lower lip ca. 2 mm long, deeply bilobed, narrowly triangular, spreading long pilose on margin; corolla ca. 7 mm long, bilabiate; stamens 4, didynamous.
• Nutlet subglobular, 1 mm long, surface with shallow well-defined ridges.
• Chromosome number 2n = 38.

分布

• 台灣 : on alpine areas at elevation about 2,000 m.

引證標本

ILAN: Nanhushanchuang, Hsu 5991; Chiliting, Masam. & Mori s. n. 1931; Nanhutashan, G. Masam. 3037. Hohuanshan, Hsieh 1470. HSINCHU: Tapachienshan, Hsieh 1326. TAICHUNG: Chika, Huang 7151; Shenmachen, Hosokawa 2240; Sheishantungfong, Hsieh 1481 (Holotype, TAI); Sheishan, Shimada 2493, Hsieh 1480. NANTOU: Kwankao to Tungpu, Huang 8600; Nengkao, Suzuki s. n. 1926. CHIAYI: Yushan, Sasaki s. n. 1929; Alishan, Nakamune 3037.

參考文獻

• HUANG, Tseng-Chieng, HSIEH, Tsung-Hsin and CHENG, Wu-Tsang, Flora of Taiwan, second edition 4: 455. 1998.  (Fl. Taiwan 2nd edit.)