Hibiscus pernambucensis Arruda, Diss. Pl. Brazil, 44. 1810 (as pernambucencis); H. tiliaceus Linnaeus subsp. pernambucensis (Arruda) A. Castellanos; H. tiliaceus var. pernambucensis (Arruda) I. M. Johnston; Paritium pernambucense (Arruda) G. Don

Leaves: stipules leaving prominent, markedly curved annular scars, epidermis obscured by pubescence. Inflorescences: involucel to 1/2 length of calyx, 8–12-dentate, teeth lanceolate, 10(–20) mm, epidermis obscured by pubescence. Pedicels (above articulation) 0.5–3 cm. Flowers: calyx lobes 12–15 × 6–8 mm; corolla yellow without red center, 4–6(–8) cm; staminal column 2.5–3 cm; filaments 1–3 mm.

Flowering year-round. Littoral vegetation and stream banks, 0 m; introduced; Fla.; Mexico; West Indies; Central America; South America.

Variety pernambucense is a New World native, but apparently is only introduced in the flora area, to Lee, Miami-Dade, and Monroe counties in southern Florida.