Gossypium lobatum Gentry

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Gossypium lobatum Gentry

Descripción

Trees 3-7 m tall, the branches lax, minutely stellate-pubescent, becoming glabrate in age. Leaf blades mostly 7-15 cm long, usually wider than long, distichously arranged, deeply cordate (the sinus open or closed), divaricately 3-5- lobed, pedately nerved, obscurely gland-dotted, minutely stellate-pubescent; petioles 1/4-1/2 the length of the blades; stipules 8-10 mm long, lanceolate to falcate. Flowers in fascicles of 1-5 in the leaf axils, mostly appearing after the leaves fall; pedicels 3-8 mm long, stout, glabrate, surmounted by 3 prominent sunken nectaries; bracts of the involucel 4-5 mm long, inserted above the nectaries, broadly triangular, acute to obtuse, entire, appressed, nearly glabrous, persistent; calyx 12-15 mm long, yellowish, densely stellate-pubescent, manifestly 5-lobed, the lobes 6- 10 mm long, 1-nerved, acuminate, the sinuses rounded; corolla funnelform, lavender, purplish on lower half within, the petals 4-5 cm long; staminal column ca. 2 cm long, glabrous, the filaments 3-5 mm long, the anthers purplish, the pollen yellow- orange; style exceeding androecium, slender. Capsules 2-3 cm long, 1.5 cm in diameter, ovoid, 3-celled, dehiscent but not flaring widely, minutely pubescent becoming glabrate, prominently gland-dotted, the glands raised, each 0.5-1 mm in diameter; seeds 10-11 mm long, several per locule, densely pubescent, the hairs grayish to tan, appressed. Chromosome number: 2n = 26. A

Forma de crecimiento

Árbol/arborescente

Forma de vida

Terrestre

Nutrición

Autotrófica

Distribución

México (país) EndémicoA

Tipo de vegetación

Selva bajaA

Categoría IUCN

En peligro (EN)B

Categoría NOM-059-SEMARNAT-2010

Amenazada (A)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]