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Flaveria brownii

Flaveria brownii A.M.Powell  
Family: Asteraceae
Brown's Yellowtops
Flaveria brownii image
  • FNA
  • Resources
Sharon C. Yarborough, A. Michael Powell in Flora of North America (vol. 21)
Perennials (perhaps flowering first year), 15-70 cm (glabrate). Stems erect or decumbent. Leaves sessile; blades linear, 5-12 cm × 2-8 mm, bases barely connate, margins entire or weakly serrate. Heads 20-100+, in ± open, paniculiform-corymbiform arrays. Calyculi of 1-2 linear bractlets 1-2.5 mm. Involucres oblong-angular, 4-5 mm. Phyllaries 5-6, boat-shaped (phyllaries enclosing ray florets conspicuously keeled). Ray florets 0 or 1; laminae yellow, oblong-elliptic, 2 mm. Disc florets (5-)7-10; corolla tubes 0.8-1.2 mm, throats funnelform, 1.2-1.5 mm (distal 1/2 expanded). Cypselae linear, 1.5-2 mm (those of rays longer); pappi 0. 2n = 36.

Flowering Jun-Dec. Saline, sandy, and marshy areas of costal flats and islands; 0-30 m; Tex.

Flaveria brownii, which has radiate heads present among the discoid heads in each capitulescence, is superficially similar to the discoid F. oppositifolia. It occurs in the lower Gulf Coast region of Texas; the latter is Mexican.

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