生活型

herb

形態特徵

• Ascending herbs; stems branched, glabrous to loosely pilose.
• Leaves ovate, 3–8 cm long, 1.5–4 cm wide, apex acuminate, base truncate to weakly cordate, both surfaces loosely to moderately pilose, lower surface minutely glandular; petioles narrowly winged, 0.5–1.5 cm long; ocreae tubular, 0.5–0.7 cm long, apex truncate, pilose, upper margins ciliate.
• Inflorescences 4–8-flowered fascicles in corymb, terminal or axillary, densely flowered; peduncles glandular pubescent, 1–1.5 cm long; bracts lanceolate, glabrous, apex acuminate, upper margins eciliate. Flowers white; pedicels included; perianth segments 5, oblong, 4–5 mm long; stamens 8; styles 3-cleft, included; nectaries present.
• Achenes dark brown to black, trigonous, rough, not shining, 3–4mm long.

分布

• 台灣 : in the central part at altitudes of 2,500–3,000 m.

引證標本

NANTOU: Pilushan, Liu & Ou 3612 (Type of P. pilushanense). ILAN: Chiliting, Hsu 5928. CHIAYI: Yushan, Hsu 9173. HUALIEN: Tayilin, Chen 7383.

參考文獻

• LIU, HO-YIH, Flora of Taiwan, second edition 2: 307. 1996.  (Fl. Taiwan 2nd edit.)