Stems erect. Leaves (at least mid cauline) elliptic, 4-10 × 1-3 cm, margins dentate to serrate (at least mid portions, often undulate as well), faces sericeous to puberulent (hairs unequal) or glabrate. Heads borne singly. Involucres hemi-spheric, 7-11 mm. Phyllaries 16-25 in 3-4 series (obovate, apices cuspidate, indument similar to leaves). Paleae: apices cuspidate (not spine-tipped). Ray florets 14-25; laminae 5-7.5 × 2.5-3.5 mm. Disc florets 25-60; corollas 5-6 mm, lobes 1.5-2 mm. Cypselae 3-5 mm, 3-4-angled. 2n = 28. Flowering late spring-summer. Sandy and rocky coasts; 0-10 m; Fla.; West Indies (Cuba). Borrichia ×cubana is a fertile F1 hybrid between B. frutescens and B. arborescens. It is found where the parental species are sympatric; backcrosses of the hybrid with either parent appear to be infertile.