Pavonia pleuranthera (DC.) Fryxell

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Pavonia pleuranthera (DC.) Fryxell

Descripción

Shrubs 3-5 m tall (or occasionally a tree to 6 m, with short trunk 15 cm DBH), the stems stellate-pubescent, the hairs ca. 0.5 mm long or glabrate. Leaf blades mostly 6-17 cm long, 3-5 (-7)-lobed (or simple and ovate), deeply cordate, crenate-serrate, usually acute, minutely stellate-pubescent, more densely and coarsely so beneath, occasionally glabrate above, somewhat discolorous; petioles subequal to the blades on midstem leaves, progressively reduced upward to 1/4 the length of the blades or less at inflorescence; stipules inconspicuous, early caducous. Inflorescence a crowded terminal leafless raceme; pedicels 5-10 (-25) mm long, stellate-pubescent; involucellar bractlets ca. 8, 1 (-1.5) cm long, somewhat connate basally but essentially distinct, narrowly linear, stellate-pubescent especially at base; calyx 7-8 mm long, stellate-pubescent (especially on nerves), ca. halfdivided, the lobes triangular, 3-nerved; corolla tubular, the petals 10-12 mm long, pale yellow, erect, abaxially glandular-puberulent; staminal column 18-22 mm long, exserted, pallid, glabrous, the filaments 2 mm long, ca. 20, more or less secund; styles exceeding the androecium, glandular-pubescent, the stigmas minutely villous. Fruits 8-9 mm in diameter, retrorsely pubescent, 10-costate; mericarps ca. 6 mm long, indurate; seeds 3.8 mm long. Chromosome number unknown. A

Forma de crecimiento

Arbusto

Forma de vida

Terrestre

Nutrición

Autotrófica

Distribución

México (país) EndémicoA

Elevación

800 – 1800 mA

Tipo de vegetación

Bosque de pino-encino, Bosque de otro tipo, -no state-A

Categoría IUCN

Vulnerable (VU)B

Categoría NOM-059-SEMARNAT-2010

No incluidaC

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]