Gossypium armourianum Kearney
Descripción
Compact widely branched shrubs ca. 1 m tall, the stems (and most plant parts) obscurely puberulent to glabrate. Leaf blades 1.5-3 cm long and wide (or wider), thick-textured, ovate, more or less cordate, acute or subacuminate, with a foliar nectary near base of midrib; petioles ½-1 times the length of the blades; stipules 1- 3 mm long, subulate. Flowers solitary in the leaf axils; pedicels 2-6.5 cm long, exceeding the subtending leaves, medially articulate, with a reduced leaf at articulation, surmounted by 3 prominent nectaries; involucellar bracts 1-3 mm wide, ligulate, inserted above the nectaries, caducous well before anthesis; calyx 5-7 mm long, subtruncate or 5-toothed; corolla yellow with a red center, the petals 2.5-4.5 cm long, ciliate on margins of claw, otherwise glabrous; staminal column 12-14 mm long, glabrous, pallid, the filaments 2-4 mm long; style somewhat shorter than the petals. Capsules ca. 1.5 cm long, subglobose or ovoid-apiculate, 3-4-celled, with sunken glands, externally glabrous, internally hirsute along suture of dehiscence (hairs 1 mm or more), dehiscent and flaring widely at maturity; seeds ca. 8 mm long, with tightly appressed brownish hairs. Chromosome number: 2n = 26. A
Distribución
México (país) EndémicoA
Tipo de vegetación
Desert shrubland Matorral de otro tipoA
Categoría IUCN
En peligro crítico (CR)B
Categoría NOM-059-SEMARNAT-2010
En peligro de extinción (P)C