Melochia adenodes Goldberg

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Melochia adenodes Goldberg

Descripción

Shrubs or small trees 2-8 m tall; stems densely stellate pubescent with light yellowish-brown hairs, becoming dark, grayish-black and glabrate. Leaf blade ovate to broadly ovate, 4-18 cm long, 3.7-14.5 cm wide, base oblique, truncate, cordate, or rounded, apex acute to acuminate, margins irregularly crenate or serrate; densely stellate pubescent throughout, becoming sparingly stellate pubescent to subglabrate in age; nervation palmately 5-7-nerved, the nerves sparingly stellate pubescent; petiole 1.2-5 cm long; stipules lanceolate, 2-6 mm long, stellate pubescent. Inflorescences 3-6-flowered; pedicels 4-15 (24) mm long, densely stellate pubescent and with gland-tipped hairs; bracts subtending pedicels lanceolate to nearly linear, 1.5-4 mm long, densely stellate pubescent and occasionally with gland-tipped hairs. Calyx in flower broadly campanulate, 7-15 mm long, densely stellate pubescent, with gland-tipped hairs, bright red, rose-pink, salmon-pink, brownish-yellow, or orange-red; lobes triangular, 1-5 mm long, 2-4 mm wide, apices acute or acuminate; calyx in fruit acutely pentagonal, globose, 2-4 cm long, sparingly stellate pubescent, with scattered gland-tipped hairs, bright brick-red, cherry-red, rose-pink, salmon-pink, brownish-yellow, or orange-red fading to brown or yellow, lobes broadly to narrowly triangular, 4-15 mm long, 4-10 mm wide, apices acute, acuminate or long acuminate. Petals included or slightly exserted, oblanceolate, obovate-oblong or spatulate, 6-14 mm long, 1-3 mm broad, with scattered stellate and gland-tipped hairs on both surfaces, pale brick-red, rose- purple, orange-red, or purple-pink with a yellow central band on each lobe. Longistylous flowers: staminal column 5-6 mm long, glabrous; filaments 1-2 mm long; anthers 1.5-2 mm long; staminodes 0.1-1 mm long; ovary 1.5-1.7 mm long, 1-1.5 mm diam, stellate pubescent with scattered gland-tipped hairs; stipe 5-6 mm long; styles 4-6 mm long, with scattered simple and bifurcate or stellate hairs. Brevistylous flowers: staminal column 3-7.5 mm long; filaments 2-5 mm long; anthers 1.8-2.5 mm long; staminodes, when present, 0.2-2 mm long; ovary 1.5- 2 mm long; 1-1.5 mm broad, pubescence as with longistylous flowers; stipe 2-6 (8) mm long; styles 1-1.8 mm long, with simple and bifurcate hairs. Capsules slightly retuse at the apex, 4-8 mm tall, 4-8 mm diam, covered with stellate, gland-tipped, and simple hairs, subtended by a stipe 5-9 mm long; seeds ovate or trigonal, 1 or 2 per carpel, 2.5-4 mm long, 1.8-2.5 mm diam.A

Forma de crecimiento

Árbol/arborescente Arbusto

Forma de vida

Terrestre

Nutrición

Autotrófica

Distribución

México (país) EndémicoB

Elevación

300 – 2000 mB

Tipo de vegetación

Selva baja, Bosque de encino, Matorral de otro tipoA

Categoría IUCN

No incluidaC

Categoría NOM-059-SEMARNAT-2010

No incluidaD

Estatus del taxón

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

Bibliografía

A. Dorr & L.C. Barnett 1989: A Revision of Melochia Section Physodium (Sterculiaceae) from Mexico. – Brittonia 41: 404-423
B. Fryxell, P. A. 2001: Sterculiaceae. In: Anderson, W. R. (Ed.). Fl. Novo-Galiciana. Ochnaceae to Loasaceae Vol. 3
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]