生活型

herb

形態特徵

• Rhizomes thick, long-creeping; stems terete, erect, solitary or sparingly branched, 25–60 cm tall, glabrous at base, nodes and upper parts densely covered with white hairs.
• Leaves radical and cauline, short or long-petiolate; radical leaves spatulate; cauline leaves oblanceolate or linear-lanceolate, 3–15 cm long, acuminate at apex, attenuate-decurrent at base, margins dentate or crenate, ciliate, glabrous on both surfaces.
• Inflorescence corymbose-paniculate, densely covered with white hairs; bracts oblong. 2.5–12 mm long, margins ciliate; bracteoles elliptic or obovate, sometimes lobed at apex, distinctly reticulate 3–5 mm long, ca. 5 mm wide; calyx very small; corolla yellow, ca. 5 mm long, regularly 5-lobed, segments spreading; stamens 4, longer than corolla tube, 2 stamens with long multicellular hairs on filaments; style linear, 2.5 mm long, stigma capitate.
• Achenes winged, oblong, 3–4 mm long, 4-nerved on the ventral side, with puberulous hairs.

分布

• 台灣 : In central and eastern parts at medium to high altitudes.

引證標本

NANTOU: Nengkaoshan, Bartlett 6184. HUALIEN: Tienhsiang, Matuda s. n. Aug.1918; Luanshan, Kao 6941*.

參考文獻

• KAO, Muh-Tsung & DEVOL, Charles E., Flora of Taiwan, second edition 4: 762. 1998.  (Fl. Taiwan 2nd edit.)