1a. Wedelia acapulcensis Kunth var. hispida (Kunth) Strother, Syst. Bot. Monogr. 33: 62. 1991.
Wedelia hispida Kunth in A. von Humboldt et al., Nov. Gen. Sp. 4(fol.): 169. 1818; 4(qto.): 215, plate 371. 1820; Zexmenia hispida (Kunth) A. Gray
Leaves ± sessile; blades 20–50(–80+) × 4–12(–35) mm, sometimes obscurely to clearly 3-lobed. Peduncles 5–30+ cm. Ray florets 0 or 5–8(–13+); laminae 6–15 mm. Disc florets 15–80+; corollas 4.5–7.5 mm. Cypselae 4–5 mm; pappi of lacerate crowns 0.5–1 mm plus 0–3 bristles or awns 4.5–6 mm. 2n = ca. 52.
Flowering mostly late spring–early fall. Damp places in otherwise dry sites, igneous or limestone derived soils, thorn woodlands, desert scrublands; 0–1500+ m; Tex.; Mexico.
The name Wedelia texana has been widely applied to this taxon; W. texana has not been validly published [cf., Lipochaeta texana Torrey & A. Gray and Zexmenia texana (Torrey & A. Gray) A. Gray].