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Sanvitalia
Family: Asteraceae
Sanvitalia image
Megan Swan
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John L. Strother in Flora of North America (vol. 21)
Annuals or perennials, (3-)10-30 cm. Stems prostrate to erect, branched from bases or ± throughout. Leaves cauline; opposite; petiolate or sessile; blades obovate or spatulate to linear, bases rounded to ± cuneate, margins entire [toothed or lobed], faces hairy. Heads radiate, borne singly. Involucres hemispheric to ± rotate, 4-12+ mm diam. Phyllaries persistent, 8-21 in 2-3 series (lanceolate to linear, outer distally herbaceous, others each with stiff, subulate appendage). Receptacles convex to conic, paleate (paleae conduplicate, scarious). Ray florets 5-20, pistillate, fertile; corollas white or yellow (laminae sessile, persistent, becoming papery). Disc florets 15-60, bisexual, fertile; corollas distally yellow to orange (sometimes drying white), tubes much shorter than funnelform throats, lobes 5, deltate. Cypselae ± terete or obscurely 3-4-angled to compressed or flattened (all usually tuberculate and usually bearing uncinate hairs; none, some, or all in each head winged); pappi persistent, of 3-4 awns. x = 8, 11.
Species within checklist: Personal Plant List
Sanvitalia abertii
Image of Sanvitalia abertii
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].
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