Sanvitalia ocymoides DC.
Family: Asteraceae
Yellow Creeping-Zinnia
[Sanvitalia tragiifolia ]
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Stems procumbent to erect, 5-10 cm. Leaf blades ovate to oblanceolate or obovate, 1-35 × 7-16 mm. Phyllaries 12-20, subequal. Ray corollas 1.5-2.5 mm. Cyp­selae: rays 4 mm (with awns 2-3 mm), clearly 3-faced, adaxial faces often 2-3-nerved; discs ± mono-morphic within heads, ± 4-angled to compressed, none winged. 2n = 32.

Flowering summer-late fall. Open places, compact, clay soils; 0-30 m; Tex.; Mexico (Coahuila, Nuevo León, Tamaulipas).