Psathyrotes A. Gray
Family: Asteraceae
Psathyrotes image
Charles Webber  

Annuals or perennials, 5-40+ cm. Stems erect or spreading, usually much branched. Leaves basal and cauline; alternate, petiolate; blades rounded-deltate, reniform, rounded-rhombic, or suborbiculate, margins toothed or entire, faces usually lanate, pilose, or tomentose, sometimes glandular-pubescent and/or furfuraceous as well. Heads discoid, borne singly. Involucres campanulate, cylindric, or turbinate, 3-6+ mm diam. Phyllaries falling or persistent, 8-24 in 2 (contrasting) series (distinct, lance-linear, lanceolate, obovate, or spatulate, tips erect or reflexed to squarrose). Receptacles flat to convex, smooth or ± pitted, epaleate. Ray florets 0. Disc florets bisexual, fertile; corollas yellowish, tubes much shorter than cylindric throats, lobes 5, erect, deltate (style-branch apices rounded-truncate). Cypselae cylindro-fusiform to obpyramidal; pappi of 35-150 distinct or basally connate bristles in 1-4 series. x = 17.

Image of Psathyrotes annua
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Image of Psathyrotes pilifera
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Image of Psathyrotes ramosissima
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