Gossypium thurberi Tod.

Primary tabs

Gossypium thurberi Tod.

Descripción

Shrubs ca. 2 m tall, the stems pentangular when young, green, glabrate. Leaf blades mostly 5-15 cm long, subcordate, glabrous, deeply 3-5-lobed, the central lobe basally constricted, narrowly lanceolate (4-6 times as long as wide), long- acuminate, with a nectary near base of midrib beneath; petioles 1/2-3/4 the length of the blades, ridged; stipules 5-10 mm long, linear. Flowers borne on lateral sympodial inflorescences; pedicels 1-3 cm long, erect, glabrous, surmounted by 3 prominent nectaries; involucellar bracts 8-12 mm long, inserted above the nectaries, mm distinct, ligulate, entire or trifid, persistent; calyx 3 mm long, truncate, glabrous; corolla rotate, cream with a vestigial red spot at base (or spot absent), the petals 1.5-2.5 cm long; staminal column 9 mm long, glabrous, pallid, the filaments 3-4 long; style slightly exceeding androecium. Capsules 10-15 mm long, subglobose to oblong, 3-loculed, persistent, externally glabrous, internally pubescent on suture of dehiscence, the hairs ca. 2 mm long; seeds 3-4 mm long, blackish, subglabrous. Chromosome number: 2n = 26. A,B

Forma de crecimiento

ArbustoA

Forma de vida

TerrestreA

Nutrición

AutotróficaA

Distribución

México (país) Nativo y no endémicoA,B

Elevación

800 – 1400 mA,B

Tipo de vegetación

No especificadoA,B

Categoría IUCN

En peligro (EN)A,C

Categoría NOM-059-SEMARNAT-2010

Amenazada (A)A,D

Estatus del taxón

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

Bibliografía

A. 
B. Fryxell, P. A. 1988: Malvaceae of Mexico. – Syst. Bot. Monogr. 25: 1-522
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]