Triumfetta attenuata Lay
Descripción
Ramuli glabri irregulariter punctati lenticellis multis parvis tecti. Folia late ovata 10-14 cm. longa 6-9 cm. lata base subtruncata vel rotundata apice longe attenuata subdupliciter serrata utrinque glabrata; petiolis gracilibus 6-9 cm. longis glabris. Inflorescentiae terminales, cymis 4-5 cymulis, pedunculis 5-7 mm. longis, pedicellis 4-5 mm. longis. Flores hermaphroditi, alabastro maturo obovato 6-7 mm. longo; sepalis ellipticis vel anguste obovatis 7-9 mm. longis extra glabrescentibus, appendiculis circiter 2 mm. longis glabris; petalis obovatis 6-7 mm. longis, unguilo circiter 1.5 mm. longo dense plumoso; gonophoro circiter 0.75 mm. longo 1.5 mm. lato, glandulis ellipticis 0.5-0.75 mm. longis; urceolo 0.5 mm. alto 5- lobato breviter ciliato; staminibus 60, filamentis usque ad 5-7 mm. longis glabris, spinulis circiter 75 erectis, stylo glabro circiter 6 mm. longo, stigmate acuto. Fructus maturi desunt.A
Distribución
México (país) EndémicoA
Ecología y Hábitat
This species is most closely related to T. Mexiae, from which it may be distinguished easily by its glabrate leaves and floral buds, the much longer apical appendages of the sepals, and its style which is about 6 mm. long with the stigma exserted above the stamens. It is unfortunate that no fruiting material of this species is available.
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