Sphagneticola trilobata

南美蟛蜞菊

naturalized

Sphagneticola trilobata (L.) Pruski

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

Pruski. 1996. Memoirs of the New York Botanical Garden 78: 114. (Mem. New York Bot. Gard.)

Orchard. 2013. Nuytsia 23.

中

南美蟛蜞菊、三裂葉蟛蜞菊、穿地龍、地錦花、田黃菊、路邊菊、馬蘭草、龍舌草、鹿舌草、滷地菊、黃花曲草、黃花墨菜、維多利亞菊、美洲蟛蜞菊
英

Yellow dots、Wedelia、Rabbits paw、Trailing daisy、Creeping ox-eye、Singapore daisy

herb

Perennial herbs, procumbent; stems stout, glabrous or pubescent, seldom scabrous.
Leaves opposite, somewhat succulent, to 18 cm long, elliptic or lanceolate, often with triangular lobes and conspicuous marginal teeth, apex acute, base cuneate, glabrous or sparsely pubescent, sometimes scabrous; petiole distinct but less than 5 mm long.
Heads solitary on elongate peduncle, radiate; involucre green, bracts lanceolate, ciliate, obscurely nerved, 10–15 mm long, innermost bracts narrower; ray florets 4–8, showy, yellow, 15–20 mm long, 3 or 4 denticulate, fertile; disc florets yellow, numerous, ca. 2 cm long, corolla 5–6 mm long.
Achenes blackish, sometimes mottled, clavate, angled, ca. 5 mm long. Pappus of fused scales, coroniform.

台灣 : occasionally naturalized on slopes and along roadsides at lower elevations.
世界 : Native of the New World tropics, widely cultivated as an ornamental ground cover and escaped in many countries.