Horsfordia exalata Fryxell
Description
Erect herbs to 2 m tall, the stems finely stellate-pubescent. Leaf blades 3-4 cm long, ovate-oblong, cordate, denticulate, obtuse to acute, stellate-tomentose; petioles subequal to the blades. Inflorescence a terminal panicle more or less above the leaves, with short glandular hairs and long (1.5 mm), simple, non-glandular hairs; pedicels 0.5-1.5 cm long; calyx 4-5 mm long, glandular- and stellate-pubescent, ca. half-divided; petals 8-10 mm long, orange-yellow, slightly reflexed, pubescent on margin of claw, otherwise glabrous; staminal column 2.5 mm long, prominently pubescent, the filaments 1-2 mm long; styles ca. 10. Fruits 6 mm long, 8 mm in diameter, oblate, basally glabrous, distally pubescent (the hairs bifurcate); mericarps 10-11, the lateral walls prominently reticulate below, smooth above, the dorsal wall smooth, minutely umbonate apically (but lacking a wing), partially dehiscent ventro-apically, 1-seeded; seeds 2.5 mm long, solitary, pendulous in base of carpel, minutely verruculate. Chromosome number unknown.A
Distribution
México (país) EndémicoA
Altitude
400 mA
Tipo de vegetación
Selva bajaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC