Tropical daisy

Cotula viscosa Linnaeus, Sp. Pl. 2: 892. 1753; Egletes viscosa var. dissecta Shinners

Plants aromatic, densely viscid with stipitate-glandular trichomes, mixed with much longer, translucent, non-glandular hairs 1–3 mm . Stems erect to decumbent. Leaf blades sublyrate to pinnatifid, 20–70(–120) mm . Ray laminae elliptic-obovate, 0.5–0.8(–1.6) mm wide. Disc corollas 1.2–1.5 mm. Cypselae 1.2–1.7 mm, short-stipitate-glandular; pappi uneven rings. 2n = 54.

Flowering Jan–Mar. Palm groves, often in seasonally submerged areas with mud or clay, fields, roadside ditches; 0–10 m; Tex.; Mexico; West Indies; n South America.

In the flora area, Egletes viscosa is known only from Cameron County, southernmost Texas. It grows in Tamaulipas, Veracruz, and coastal localities in other Mexican states.