Triumfetta heliocarpoides Bullock
Descripción
Small shrubs 1.0-1.5 m. high; branches and inflorescence axes minutely stellate- tomentose. Leaves broadly ovate, usually 3-lobed, 10-15 cm. long and 7-9 cm. wide, the base subcordate to rounded, the tip gradually and narrowly acuminate, rather regularly and doubly serrate, the upper surface green, scabrous, very lightly pubescent with minute tufts of stellate hairs, the lower pallid, slightly more pubescent with prominent veins and veinlets; petioles long and slender, 5-10 cm. long, with short separate tufts of stellate hairs. Inflorescences gynodioecious, pistillate terminal, the cymes of 4-6 cymules, condensed in dense nodose clusters, the flowering peduncles 3-4 mm. long, the pedicels about 2 mm. long; flowers small, the bud about 3 mm. long slightly before anthesis, the apical appendages prominent though short; sepals oblong, 3-4 mm. long, densely but minutely tomentose without, glabrescent within; petals obovate, very small, only about 1 mm. long, the claw lightly plumose; gonophore 0.5-0.75 mm. long, the glands oblong, small, with ciliate upper margins; urceolus short, many-lobed, distinctly ciliate; staminodes 10, about 2 mm. long; ovary orbicular, the spinules about 25, recurved, the style about 1.5 mm. long, the stigma briefly 2-fid; hermaphroditic inflorescence not seen. Fruit orbicular, the body about 2 mm. in diameter at maturity, dark brown to black, glabrous, 3-loculate, usually 1 cell aborted, each 1-seeded, the spines 20-25, glabrous, 3-4 mm. long; seeds pyriform, small.A
Elevación
1000 mA
Tipo de vegetación
No especificadoA
Categoría IUCN
No incluidaC
Categoría NOM-059-SEMARNAT-2010
No incluidaD
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