EcoFlora - Croptilon rigidifolium

Croptilon rigidifolium (E.B. Sm.) E.B. Sm.
Family: Asteraceae Stiff-Leaf Scratchdaisy $Croptilon rigidifolium image$	FNA Resources Theodore M. Barkley+, Luc Brouillet, John L. Strother in Flora of North America (vol. 20) Stems decumbent to erect, 20-150 cm. Cauline leaf blades spatulate to lanceolate, relatively even-sized distally, margins usually entire, sometimes serrate apically. Peduncles usually hirtellous to hispid, sometimes with crisped hairs as well, rarely glabrous, eglandular. Involucres turbinate to subcylincric, (4-)5-7 mm diam. Ray florets (5-)9-22; corolla laminae (4-)4.5-6.3(-7.4) mm. Disc florets (6-)25-45(-60). 2n = 10 (10 and 12 in one population). Flowering Sep-Nov(-Dec). Sandy soils, creek terraces, often in prairies, fields, pastures, roadsides; 20-100 m; Tex.; Mexico (Nuevo León).
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