Abutilon trisulcatum (Jacq.) Urb.
Descripción
Robust herbs or shrubs 1-2.5 m tall, the stems prominently trisulcate when young, minutely puberulent, usually viscid especially in inflorescence. Leaf blades mostly 6-11 cm long, ovate, cordate, crenulate-serrulate, acuminate, minutely velutinous above and beneath, slightly discolorous; petioles 1/4-3/4 times as long as the blade (sometimes longer on midstem leaves); stipules 2~4 mm long, subulate. Flowers usually in lax terminal panicles; pedicels 1-3 cm long; calyx 3-4 mm long, half-divided, the lobes lance-ovate, puberulent; corolla often with a dark center, the petals 4-6 mm long, yellow, often refiexed; androecium pallid, about equaling petals, the staminal column 2-2.5 mm long, the filaments 0.5-1.5 mm long, the anthers yellow; styles 5. Fruits 6-8 mm long, 5-8 mm in diameter, cylindrical but usually slightly constricted near center, minutely stellate-puberulent, loculicidally dehiscent (septicidal dehiscence suppressed); mericarps 5, ca. 3-seeded, apically apiculate; seeds 2 mm long, minutely pubescent. Chromosome number: 2n = 14. A
Ecología y Hábitat
It is found widely in Mexico, generally at low elevation in dry matorral or disturbed vegetation, and flowers from September to March. It is a common roadside weed of robust growth and is easily recognized by its prominently triquetrous stems.A
Tipo de vegetación
No especificadoA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC