EcoFlora - Chaetopappa asteroides

Chaetopappa asteroides Nutt. ex DC.
Family: Asteraceae Arkansas Leastdaisy [Chaetanthera asteroides, moreChaetophora asteroides Nutt. ex DC.]	FNA Resources Guy L. Nesom in Flora of North America (vol. 20) Annuals, 3.5-30 cm; taprooted, eglandular or glandular. Leaves not densely overlapping, proximal to mid cauline blades oblanceolate to linear-oblanceolate, 4-15 × 1-4 mm, herbaceous, not clasping, flat, faces strigose, often orangish gland-dotted. Involucres cylindro-turbinate, 2.5-4 × 2.5-5 mm. Ray florets 5-18; corollas usually white, sometimes lavender-pink to deep lavender-rose. Disc florets 6-25, bisexual or central florets often functionally staminate. Cypselae 5(-6)-nerved, 1.6-2 mm, faces strigose; pappi in 2 series, outer of (4-)5(-6), scarious, irregular scales 0.1-1.4 mm plus inner of (4-)5(-6), tawny, awnlike, thick bristles 1.5-3 mm. 2n = 16.
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