Triumfetta cucullata Fernald

Primary tabs

Triumfetta cucullata Fernald

Descripción

Shrubs about 2-3 m. high; lower branches sparingly pubescent, the upper and the inflorescence axes densely cinereous-tomentose. Leaves elliptical, about 13-15 cm. long and 4-5 cm. wide, the base obtuse, with 4 spherical glands at the basal sinus, the serrations generally glandular, the upper surface lightly stellate-pubescent, the lower more densely so; petioles 1.0-1.5 cm. long, densely tomentose. Inflorescences axillary, the cymes of 3 cymules, generally condensed, the flowering peduncles about 3 mm. long, the pedicels 3-5 mm. long. Flowers hermaphrodite, the buds broadly oblongoid, 22-24 mm. long slightly before anthesis, constricted slightly above the base, the apical appendages slender, 0.5-1.0 mm. long, very lightly pubescent; sepals oblong, 22-25 mm. long including the apical appendages, stellate-tomentose without, glabrescent within; petals broadly obovate, about 23 mm. long and 6-7 mm. wide, the claw about 4-5 mm. long, densely plumose; gonophore short and stout, about 1.5 mm. long and 2-3 mm. wide, the glands quadrangular, broad, about 1.0 mm. long and 1.5 mm. wide; urceolus short, about 0.5 mm. high, distinctly many-lobed, briefly ciliate; stamens 20, the filaments smooth, densely pubescent at the base; ovary orbicular, about 1.5 mm. long, the spinules about 50, erect, the style about 22 mm. long, the stigma acute. Fruit not seen.A

Forma de crecimiento

Arbusto

Forma de vida

Terrestre

Nutrición

Autotrófica

Distribución

México (país) EndémicoB

Elevación

50 – 900 mA,B

Tipo de vegetación

Selva bajaA

Categoría IUCN

No incluidaC

Categoría NOM-059-SEMARNAT-2010

No incluidaD

Estatus del taxón

(A) Como definida actualmente, probablemente una entidad natural (monofilética)

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
B. Fryxell, P. A. 2001: Tiliaceae. In: Anderson, W. R. (Ed.). Fl. Novo-Galiciana. Ochnaceae to Loasaceae Vol. 3
C. IUCN 2022: The IUCN Red List of Threatened Species. Versión 2022-2
D. SEMARNAT 2019: MODIFICACIÓN del Anexo Normativo III, Lista de especies en riesgo de la Norma Oficial Mexicana NOM-059-SEMARNAT-2010: 101 pp. – https://www.dof.gob.mx/nota_detalle.php?codigo=5578808&fecha=14/11/2019#gsc.tab=0 [accessed 2023-05-04 06:16]