Triumfetta polyandra Sessé & Moc. ex DC.
Descripción
Small trees or large shrubs about 3-4 m. high; branches and inflorescence axes very densely tomentose with long ferruginous hairs. Leaves broadly elliptical to obovate, 13-15 cm. long and 10-12 cm. wide, the base rounded or subcordate, the tip abruptly acuminate, doubly and regularly serrate, both surfaces scabrous, rather densely tomentose with both simple and stellate hairs; petioles short, stout, about 1 cm. long, covered rather densely with long hairs. Inflorescences on axillary and terminal branches, the cymes of 2-3 cymules, the flowering peduncles 5-9 mm. long, the pedicels 3-5 mm. long. Flowers hermaphrodite, the buds oblongoid, 30-35 mm. long slightly before anthesis, the apical appendages 1-3 mm. long; sepals narrowly obovate, about 36 mm. long, covered rather densely with many long coarse hairs without; petals broadly obovate, showy, 2.7-3.2 cm. long and 5-6 mm. wide, the claw 5-6 mm. long, densely plumose; gonophore short and stout, about 0.75 mm. long and 2.0 mm. thick, the glands oblong, subequalling the gonophore; urceolus about 0.75 mm. high, many-lobed, lightly ciliate; stamens 40-50, the filaments glabrous; ovary spheroid, 3 mm. long, the style 25-28 mm. long, the stigma acute. Fruit spherical, easily dehiscent, the body 6-10 mm. in diameter, densely plumose, 4-loculate, each 2-seeded, the spines numerous, 6-10 mm. long, densely plumose with long hyaline or ferruginous hairs, the spinules erect; seeds ovoid, about 2 mm. long and wide.A
Distribución
México (país) Nativo y no endémicoA
Elevación
800 – 1500 mA
Tipo de vegetación
Bosque de otro tipoA
Categoría IUCN
Preocupación menor (LC)B
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Bibliografía
A. Lay, K. K. 1950: The American species of Triumfetta L. – Ann. Missouri Bot. Gard. 37(3): 315–395. https://doi.org/10.2307/2394513