Silver dwarf morning glory

Evolvulus macilentus Small

Perennials or subshrubs; herb­age hairy, hairs appressed to ± spreading. Stems ascending or procumbent, 10–30 cm. Leaves distichous, distals ± spreading; blade elliptic, lan­ceolate, oblong, or ovate, 4–25 × 2–10 mm, surfaces: abaxial densely hairy, adaxial sparsely hairy or glabrate. Inflo­rescences: flowers solitary; peduncles plus pedicels stout, 0–2(–4) mm. Flowers: sepals oblong to lance­olate, 3–5 mm; corolla pale blue, violet, or white, rotate to broadly funnelform, limb 7–12 mm diam. 2n = 26 (Argentina).

Flowering Apr–Oct. Oak woodlands, desert grass­lands, plains, savannas, pinelands, chaparral; 0–1900 m; Ariz., Ark., Fla., Ga., La., N.Mex., Tenn., Tex.; Mexico; West Indies; Central America; South America.