Gossypium davidsonii Kellogg
Descripción
Sparingly branched shrubs 1-2 m tall, the stems minutely soft-puberulent. Leaf blades mostly 3-8 cm long, ovate, cordate, simple or sometimes shallowly 3-lobed, acute or acuminate, softly tomentose above and beneath, with a small foliar nectary near base of midrib beneath; petioles usually half the length of the blades or less, occasionally longer; stipules 5-9 mm long, lanceolate to falcate. Flowers usually borne in lateral sympodial inflorescences; pedicels 1-2 cm long, surmounted by 3 involucellar nectaries; involucellar bracts 1.5-2.5 cm long, about as wide, cordate- ovate, 7-11-laciniate or dentate, persistent; calyx 4 mm long, truncate or undulate, sparsely pubescent; corolla rotate, yellow with a dark center (sometimes absent), the petals 2.5~3 cm long, ciliate on margin of claw, abaxially minutely pubescent, adaxially glabrous; staminal column 7-11 mm long, pallid, glabrous or sparsely pubescent, the filaments 1-2 mm long; style exceeding the androecium. Capsules ca. 1.5 cm long, ovoid-apiculate, 4 (~5)-loculed, externally glabrous, internally ciliate along suture of dehiscence, the hairs 1-2 mm long, persistent; seeds 5-6 mm long, with sparse appressed hairs (appearing glabrous). Chromosome number: 2n = 26. A
Distribución
México (país) EndémicoA
Ecología y Hábitat
It flowers more or less throughout the year in response to available moisture.A
Tipo de vegetación
Desert habitats No especificadoA
Categoría IUCN
Vulnerable (VU)B
Categoría NOM-059-SEMARNAT-2010
Sujeta a protección especial (Pr)C