Triumfetta paniculata Hook. & Arn.
Descripción
Small trees or shrubs 3-5 m. high; older branches glabrous, generally angled with decurrent petiole bases, the younger stems and inflorescence axes longitudinally ridged, clothed with short separate tufts of stellate hairs. Leaves broadly ovate, profoundly 3- to 5-lobed, about 15-18 cm. long and 16-20 cm. wide, lightly pubescent, usually scabrous, the veins densely tomentose; petioles 4-7 cm. long, coarsely stellate-pubescent. Inflorescences terminal, the cymes of 3-5 cymules, usually in dense nodose clusters, the flowering peduncles 3-5 mm. long, the pedicels 2-5 mm. long. Flowers hermaphrodite, the buds obovoid, 5-7 mm. long and about 3 mm. wide slightly before anthesis, constricted towards the base, the apical appendages short, nearly obsolete; sepals obovate, about 6 mm. long, with short rough stellate hairs without, glabrescent within; petals linear, yellow to brown, 3-4 mm. long, the claw about 1 mm. long, densely plumose; gonophore short, about 0.5 mm. long, the glands spherical to slightly elliptical, small; urceolus short, 0.25-0.50 mm. high, many-lobed, lightly ciliate; stamens 30-40, the filaments glabrous, smooth; ovary orbicular, about 1.5 mm. long, the spinules numerous, recurved, the style 2-3 mm. long, the stigma briefly 2-parted. Fruit globose, large, the body about 6 mm. in diameter at maturity, glabrous, 2-loculate, each cell 2-seeded, later falsely 4-celled; each with 1 seed, the spines numerous, glabrous, 3-5 mm. long; seeds ovoid, 2-3 mm. long and 1.5-2.5 mm. wide.A
Elevación
500 mA
Tipo de vegetación
Bosque de encinoA
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