Allowissadula racemosa (Schltdl.) Fryxell

Primary tabs

Allowissadula racemosa (Schltdl.) Fryxell

Description

Erect shrubs to 2 m tall, the stems (and much of the herbage) softly whitish tomentose, the hairs stellate and somewhat arachnoid. Leaf blades mostly 4-6 cm long, ovate, cordate, denticulate or obscurely crenate to subentire, acute, strongly discolorous, softly stellate-pubescent above and beneath; petioles ca. half the length of the blades (?); stipules 3-5 mm long, subulate. Flowers solitary in the leaf axils or aggregated apically in compact racemes or panicles; pedicels up to 1.5 cm long (flowers sometimes subsessile), whitish tomentose; calyx 7.5-9.5 mm long, whitish stellate-tomentose, basally rounded, ca. half-divided, the lobes triangular, 1-3-nerved; petals 12-18 mm long; whitish (or pale yellow); staminal column 3-4 mm long, the filaments 3-4 mm long; styles slender, slightly exceeding androecium, the stigmas maroon. Fruits 6-8 mm long (shorter than the calyx), densely stellate- pubescent, the hairs 0.5-1 mm long; mericarps with rounded dorsum, scarcely umbonate, the endoglossum completely dividing the mericarp into 2 cells; seeds 2.5-3 mm long, blackish. Chromosome number: 2n = 16.

Forma de crecimiento

Arbusto

Forma de vida

Terrestre

Nutrición

Autotrófica

Distribution

México (país) EndémicoA

Altitude

1000 - 2500 mA

Habitat & Ecology

Known from open, dry habitats. It flowers in October and November.A

Tipo de vegetación

No especificadoA

Categoría IUCN

No incluidaB

Categoría NOM-059-SEMARNAT-2010

No incluidaC

Estatus del taxón

(A) Probablemente una entidad natural (monofilética)

Bibliografía

A. Fryxell, P. A. 1988: Malvaceae of Mexico. – Syst. Bot. Monogr. 25: 1-522
B. IUCN 2022: The IUCN Red List of Threatened Species. Versión 2022-2
C. 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]