生活型

herb

形態特徵

• A coarsely hairly perrenial herb, with long prostrate to ascending stem, up to several meters long.
• Leaves opposite pinnately compound, stipulate, to 7 cm long; petioles 0.8 cm long; stipules 4; leaflets 4–8 pairs, obliquely oblong, to 22 mm long, 1 cm wide, acute or obtuse at apex, oblique at base, entire, subglabrous; petiolules subsessile.
• Flowers yellow; pedicels 1.8 cm long; sepals 3–4 mm long; petals 11–13 mm long; stamens 10 in two whorls; ovary 5 carpels with axile placentation; styles long, excluded by sericeous hairs.
• Schizocarp bur-like, with 2 long and 2 short spines, 7 mm long, 1.5 mm across.

分布

• 台灣 : on sandy areas ranging from Penghu, Pingtung to Taichung counties.
• 世界 : Pantropical naturalized herbs from the Madagascar.

引證標本

TAINAN: Tainan City, Huang & Huang 13736*. KAOHSIUNG: Kichun, Huang 8425; Lingyuan, Huang & Huang 12984.

參考文獻

• HUANG, TSENG-CHIENG. 1993. Flora of Taiwan, second edition 3: 410. (Fl. Taiwan 2nd edit.)