Triumfetta galeottiana Turcz.
Descripción
Shrubs 2-3 m. high; branches and inflorescence axes scurfy, coarsely stellate- tomentose. Leaves broadly ovate to 3-lobed, 7-12 cm. long and 4-8 cm. wide, sometimes slightly larger, the base rounded or subcordate, the tip gradually and narrowly acuminate, the serrations irregular, acute, the basal ones generally glandular, both surfaces scabrous, clothed lightly with many short tufts of stellate hairs the veins densely tomentose; petioles 3-5 cm. long, coarsely stellate-pubescent. Inflorescences gynodioecious, axillary, rarely terminal, hermaphrodite, large and spreading, the cymes of 3-5 cymules, usually in dense nodose clusters, the flowering peduncles 3-5 mm. long, the pedicels 2-4 mm. long, 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, the sepals obovate, about 6 mm. long, with short rough stellate hairs without, glabrescent within, the petals linear, yellow to brown, 3-4 mm. long, the claw about 1.5 mm. long, densely plumose, the gonophore slender, 1.0-1.5 mm. long and about 0.75 mm. wide, the glands oblong, prominent, the urceolus about 0.5 mm. high, many-lobed, densely ciliate, the stamens 20-30, the filaments retrorsely 2-serrate, the ovary ovoid, about 1 mm. long, the spinules about 50, recurved, the style less than twice the length of the ovary, the stigma very briefly 3-parted; pistillate inflorescence of the same general nature and size as the hermaphroditic one, the buds oblongoid, about 3-4 mm. long slightly before anthesis, the apical appendages nearly obsolete, the sepals 3-5 mm. long, with short separate tufts of stellate hairs without, glabrescent within, the petals absent, the gonophore elongate, about 1.5 mm. long, the glands oblong, prominent, the urceolus about 0.5 mm. high, many-lobed, densely ciliate, the staminodes 15-20, about 2 mm. long, the ovary orbicular, the spinules about 50, the style about twice the length of the ovary, the stigma very briefly 3-parted. Fruit globose or subglobose, the body glabrous, 3-4 mm. in diameter at maturity, 3 -loculate, each cell 1-seeded, the spines 30-40, each 3-4 mm. long, straight, glabrous; seeds pyriform, 1.5-2.0 mm. long and about 1.5 mm. wide.A
Distribución
México (país) EndémicoA
Elevación
500 – 2000 mA
Ecología y Hábitat
Dry and sunny placesA
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