Hibiscus uncinellus DC.
Descripción
Shrubs, often scandent by means of prickles, 1-3 m tall or climbing to 20 m or more as a scandent vine when supported by trees; stems prickly or aculeate, often also hirsute. Leaf blades mostly 7-15 cm long, basally cordate, serrate, palmately 5-7-nerved, deeply 3-5-lobed, the central lobe lanceolate-acuminate, constricted at the base, the sinuses open, more or less rounded, hirsute above and beneath, the lower surface with retrorse prickles on the main veins toward the base, with 1-3 small nectaries near the base of principal nerves; petioles more than half the length of the blades, retrorsely prickly; stipules 7-11 mm long, lanceolate. Flowers solitary in the leaf axils; pedicels more or less equaling the subtending petioles, both prickly and hirsute; involucel of ca. 10 strongly bifurcate bracts, the bracts 1/2-3/4 the length of the calyx at anthesis; calyx 2-2.5 cm long, setose, 5-lobed, each lobe with a prominent marginal costa and midrib, each midrib with a central nectary; corolla 6-10 cm in diameter, twisted, salverform, the petals scarlet, reflexed; androecium appearing exserted because of reflexion of petals, the staminal column 4-8 cm long, glabrous, purplish, antheriferous only near the apex, the filaments 2-4 mm long; styles exserted, ciliate, the stigmas 2 mm in diameter. Capsules ca. 1.5 cm long, ovoid, antrorsely hispid, dehiscent; seeds 4.5 mm long, angularly reniform, papillate. Chromosome number: 2n =A
Elevación
<1700 mA
Tipo de vegetación
y vegetación secundaria Selva alta, Bosque de pino-encinoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC