生活型

herb

形態特徵

• A perennial erect glabrous herb, 40–70 cm high; stems straight, the branches few and woody at base;
• radical leaves oblong-lanceolate or spathulate, 5–10 cm long, 0.5–1 cm broad, the apex acute, sessile; upper cauline leaves oblanceolate to oblong-spathulate, 1–3 cm long, 3–7 mm broad, with several prominent parallel nerves, acute or acuminate at apex, gradually narrowed to a sessile base.
• Involucres 2–3, lanceolate, 5–10 mm long; rays 5–6, 1–3 cm long, unequal; involucels 4–5, linear-lanceolate, 1–5 mm long.
• Fruit oblong, 1–1.5 mm broad, glabrous. Vittae large, usually 2–3 in the interval, 5 on the commissure.

分布

• 台灣 : Endemic. In the northern and central parts of the island at low altitudes.

引證標本

MIAOLI: Fuhsinli, Kao 3746 (Type in TAI); Peishih, Chuang & Kao 2807. TAICHUNG: Hsinche, Shimada 18558. NANTOU: Wantachi, Mori 18559.

參考文獻

• KAO, MUH-TSUEN, Flora of Taiwan, second edition 3: 1015. .  (Fl. Taiwan 2nd edit.)