Sartwellia
Family: Asteraceae
Sartwellia image

Perennials, 10-30 cm (± succulent). Stems ascending to erect, branched from at or near bases. Leaves cauline; opposite; sessile; blades linear to filiform, margins entire, faces glabrous or glabrescent. Heads radiate, in tight, corymbiform arrays. Involucres campanulate, 2-3 mm diam. Phyllaries persistent, 5 in 1 series (usually yellowish, sometimes greenish, oblong to obovate, subequal, ± membranous). Receptacles flat, epaleate. Ray florets 3-5, pistillate, fertile; corollas yellow. Disc florets 5-15, bisexual, fertile; corollas yellow, tubes shorter than or equaling funnelform throats, lobes 5, ± deltate. Cypselae ± cylindric (10-ribbed); pappi persistent, usually of 5 muticous scales alternating with 5 subulate scales or coarse bristles, sometimes the 10 elements connate, forming a ± erose cup. x = 18.

Image of Sartwellia flaveriae
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