Bakeridesia amoena Fryxell

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Bakeridesia amoena Fryxell

Descripción

Small trees 5-7 m tall, the stems densely and minutely puberulent, the hairs ferruginous, stellate (sometimes stipitate), 0.5 mm or less. Leaf blades ovate or slightly 5-angular, to 18 X 16 cm, basally cordate with an open sinus, essentially entire, apically short-acuminate, palmately 9-nerved, somewhat discolorous, densely puberulent on both surfaces, the principal veins raised beneath; petioles to 8 cm (ca. 1/2 length of blade), with pubescence like that of stem; stipules broadly falcate, 4-8 X 4-5 mm, several-nerved, pubescent, deciduous. Flowers solitary in the axils of the upper leaves, the pedicels to 2.5 cm (in flower, elongating in fruit?), densely ferruginous-pubescent, the stellate hairs 0.5-1 mm long; calyx 1.5 cm, densely brown-pubescent, 5- lobed, the lobes strongly 3-nerved; petals yellow (drying almost white) without red center, 3-3.5 cm, rotate (i.e., not reflexed), pubescent internally on claw; staminal column ca. 5 mm, pubescent, the filaments numerous, 5-6 mm, the pollen yellowish, the androecium as a whole subglobose, ca. 1/2 the length of the petals; styles ca. 16, more or less exceeding the androecium, the stigmas abruptly capitate. Mature fruits un- known, very young fruits densely pubescent.A

Forma de crecimiento

Árbol/arborescente

Forma de vida

Terrestre

Nutrición

Autotrófica

Distribución

México (país) EndémicoA

Elevación

850 – 1500 mA

Tipo de vegetación

Bosque de pino-encino, Bosque de otro tipoA

Categoría IUCN

En peligro (EN)B

Categoría NOM-059-SEMARNAT-2010

No incluidaC

Estatus del taxón

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

Bibliografía

A. Fryxell & Guadarr. 2001: New Mexican species of Byttneria (Sterculiaceae), Bakeridesia (Malvaceae), and Triumfetta (Tiliaceae). – Brittonia 53(1): 59-65. https://doi.org/10.1007/BF02805397
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]