Triumfetta lappula L.
Descripción
Tall weedy shrubs about 1-2 m. high; branches and inflorescence axes with coarse, scurfy, ferruginous tomentumn. Leaves broadly ovate, usually pandurate, 3- to 5-lobed, about 8-10 cm. long and 7-9 cm. wide, the base obtuse to rounded, the tips acuminate, the serrations usually glandular, unequal and blunt, the upper surface lightly pubescent, the lower lightly tomentose to more densely so; petioles usually 6-8 cm. long, sometimes slightly longer, usually thick, very densely and coarsely pubescent. Inflorescences axillary, the cymes of 2, rarely 3, cymules, generally condensed, the bracts elliptical, very rarely obscurely 3-lobed, the flowering peduncles about 2-3 mm. long, the pedicels short, 1-2 mm. long. Flowers hermaphrodite, the buds narrowly oblongoid, 3-5 mm. long slightly before anthesis, slightly constricted in the middle, the apical appendages very short, rarely absent; sepals oblong, about 4-6 mm. long, densely stellate-tomentose without, glabrescent and yellowish within; petals absent; gonophore obsolete, the glands absent; urceolus very small, nearly obsolete, not ciliate; stamens usually 10, rarely 15 or 5, the filaments glabrous, smooth; ovary ovoid, about 1.0-1.5 mm. long, the spinules numerous, recurved, the style about 3 times the length of the ovary, the stigma acute, sometimes very briefly 2-fid. Fruit orbicular, the body about 3 mm. in diameter at maturity, lightly stellate-pubescent, 3-, sometimes 2-, loculate by abortion, the spines about 50, slender, 2-3 mm. long, retrorsely pilosulose; seeds pvri- form, about 1.5-2.0 mm. long and 1.0-1.5 mm. wide.A
Distribución
México (país) Nativo y no endémicoB
Elevación
2000 mA
Tipo de vegetación
No especificadoA
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