生活型

herb

形態特徵

• An annual or biennial fleshy herb, with glandular hairs; stems erect, browny, somewhat lignous, 10–15 cm high, branched at middle and low portion.
• Leaves alternate, obovate-rhomboided, 7–15 mm long, 5–10 mm broad, acute at apex, wide-cuneate at base, entire; petioles 5–6 mm long.
• Flowers in cyme-raceme; pedicels 5–10 mm long; sepals 5, lanceolate to oblong, 1–2 mm long; petals 5, lanceolate-oblong, 3–5 mm long, yellow; stamens 10, shorter than petals, 2-whorled; glands wide-spathulate to wide-cuneate; carpels 5, oblong, nearly erect, 4 mm long; style short.
• Follicles 5, connate at base; seeds oblong-ovate, 0.3 mm long, testa striated, brown.

物候

Flowering and fruiting periods from July to August.

分布

• 台灣 : On mountain at altitudes from 1,500 to 2,500 m, especially on the shady stone slit.
• 世界 : Mainland china.

引證標本

NANTOU: Lushan to Tunyuan, Tang 1826*. HUALIEN: Lanshan, Huang 4290.

引用文獻

• TANG, WEI-SHIN and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 31. 1993.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)