Triumfetta speciosa Seem.
Descripción
Small trees or large shrubs 3-4 m. high; branches and inflorescence axes scurfy, densely covered with ferruginous tomentum. Leaves broadly ovate, generally 3- lobed, 6-9 cm. long and 5-7 cm. wide, the base rounded or subcordate, the middle lobe long-attenuate, the laterals short and blunt, the serrations very irregular, usually blunt and often glandular, the upper surface dark green, coarse with many short stellate hairs, the lower pallid, densely tomentose; petioles 3-5 cm. long, lightly pubescent. Inflorescences axillary, the cymes of 1-2 cymules, usually opposite the bracts, the flowering peduncles 4-5 mm. long, the pedicels 6-8 mm. long. Flowers hermaphrodite, large, the buds oblongoid, 30-35 mm. long slightly before anthesis, the apical appendages about 2 mm. long; sepals narrowly elliptical, about 35 mm. long with many separate tufts of long stellate hairs without; petals ovate, short, about 6 mm. long, the claw about 3-4 mm. long, very densely plumose; gonophore about 1 mm. long and 2 mm. wide, the glands spherical, subequalling the gonophore; urceolus short, about 0.5 mm. high, many-lobed, lightly ciliate; stamens 20, the filaments glabrous; ovary ovoid, about 1.5 mm. long, the style 30-34 mm. long, with many short separate tufts of stellate hairs, the stigma acute. Fruit orbicular, the body 6-8 mm. in diameter, rather densely pubescent, 4-loculate, each cell 2-seeded, on maturity with 8 distinct 1-seeded locules, the spines numerous, 100 or more, each 3-4 mm. long, densely plumose with short hairs, the spinules erect; seeds ovoid, about 2.0 mm. long and wide.A
Distribución
México (país) Nativo y no endémicoA
Elevación
1300 – 1700 mA
Ecología y Hábitat
A species of relatively scattered distribution, which extends from southern Mexico to Panama; usually growing in open areas on slopes of mountains, or along the rocky banks of streams; flowering from late July to September, the fruit persisting on the plants until late February or March.A
Tipo de vegetación
No especificadoA
Categoría IUCN
No incluidaB
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