Townsendia annua Beaman  
Family: Asteraceae
annual Townsend daisy,  more...
Townsendia annua image
Max Licher  
Annuals, 3-12(-16+) cm. Stems decumbent to erect; internodes (1-)3-12(-18+) mm, strigose. Leaves mostly cauline, blades spatulate to narrowly oblanceolate, 8-12(-25+) × 1-3(-5+) mm, not fleshy, faces ± strigillose. Heads at tips of stems. Involucres ± hemispheric, 8-12(-16) mm diam. Phyllaries 26-30+ in 3+ series, the longer ± lance-ovate to oblanceolate, 5-6+ mm (l/w = 2.5-5), apices acute, abaxial faces strigillose to glabrate. Ray florets 12-30+; corollas white or pinkish to lavender adaxially, laminae 5-8+ mm, glabrous abaxially. Disc florets 60-120+; corollas 2.5-3.5+ mm. Cypselae 2-3 mm, faces hairy, hair tips glochidiform; pappi persistent; on ray cypselae ± 10 lanceolate scales 0.2-0.5(-1) mm; on disc cypselae 20+ subulate scales 1-2.5(-4) mm. 2n = 18. Flowering Apr-Jun(-Oct). Sandy soils, alkaline flats, red clays; 1200-2100 m; Ariz., Colo., N.Mex., Tex., Utah, Wyo. The type of Townsendia annua may prove to be conspecific with that of T. strigosa.

Townsendia annua image
Max Licher  
Townsendia annua image
Max Licher  
Townsendia annua image
Max Licher  
Townsendia annua image
Max Licher  
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