Gossypium harknessii Brandegee

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Gossypium harknessii Brandegee

Descripción

Spreading shrubs up to 2.5 m tall and 3-4 m wide, the stems minutely puberulent to glabrate. Leaf blades 2-6 cm long, thick-textured, somewhat wider than long, deeply cordate, more or less 3-lobed, the lobes obtuse to acute, with a small foliar nectary near base of midrib beneath; petioles 1/2-1 times the length of the blades; stipules ca. 2 mm long, subulate. Flowers solitary in the leaf axils; pedicels 0.5-1.5 cm long, equaling or shorter than the subtending petioles, articulated near the middle, with a caducous bract at articulation; involucellar bracts 9-18 mm long, 4-7 mm wide, lanceolate, entire, caducous at anthesis; calyx 6~8 mm long, truncate or obscurely 5-toothed; corolla yellow with a red center, the petals 2.5-4 cm long, ciliate-margined; staminal column 7-8 mm long, glabrous, pallid, the filaments 2-3 mm long; style somewhat shorter than the petals. Capsules ca. 1.5 cm long, ovoid or subglobose, 3 (-4)-loculed, with prominent sunken glands, externally glabrous, internally pubescent along suture of dehiscence (the hairs 1-2 mm long), at maturity; seeds 8-10 mm long, grayish with tightly appressed hairs. Chromosome number: 2n = 26. A

Forma de crecimiento

Arbusto

Forma de vida

Terrestre

Nutrición

Autotrófica

Distribución

México (país) EndémicoA

Tipo de vegetación

Desert shrubland No especificadoA

Categoría IUCN

En peligro (EN)B

Categoría NOM-059-SEMARNAT-2010

En peligro de extinción (P)C

Estatus del taxón

(A) Como definida actualmente, 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]