Pavonia macdougallii Fryxell
Descripción
Shrubs 1-2 m tall, the stems stellate-pubescent, the hairs 0.5-2 (-3) mm long. Leaf blades mostly 6-12 cm long, 9 cm wide, ovate or weakly trilobulate, basally cordate, crenate-serrate to subentire, the lateral lobes acutish, the apex long acuminate, palmately 7-9-nerved, discolorous, softly stellate-pubescent above and beneath, the hairs above scattered (except dense on veins), ca. 0.5 mm long, the hairs beneath dense and interlaced, ca. 1 mm long; petioles ca. half the length of the blades or less; stipules 2-5 mm long, hirsute, subulate. Flowers solitary in the leaf axils; pedicels 1-5 cm long, prominently hirsute; involucellar bractlets 5, 1-2 cm long, 2-4 mm wide, alternate with the calyx lobes, lanceolate (widest near the middle), densely pubescent and marginally ciliate, the cilia 1-2 mm long; calyx 8- 12 mm long, ca. half-divided, densely pubescent, the lobes prominently 5-nerved (the nerves more or less parallel), densely ciliate on margins, the cilia 1-3 mm long; petals 3-4 cm long, white, adaxially glabrous except ciliate on claw, abaxially densely stellate-pubescent; staminal column ca. 2 cm long, pallid, glabrous, filamentiferous more or less throughout length, the filaments 3-5 mm long, the pollen light yellow; styles exceeding androecium by 5 mm, pallid, sparsely pubescent, the stigmas ca. 0.5 mm in diameter, villous. Fruits 8-9 mm in diameter, minutely pubescent; mericarps 5 mm long, indehiscent, prominently keeled and reticulate with 3 or 4 excrescences on each side; seeds solitary, tufted on the hilum. Chromosome number unknown.A
Distribución
México (país) EndémicoA
Elevación
500 mA
Ecología y Hábitat
Usually near the summits of dry hills. Flowers in November. A
Tipo de vegetación
Selva bajaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Bibliografía
C. SEMARNAT: MODIFICACIÓN del Anexo Normativo III, Lista de especies en riesgo de la Norma Oficial Mexicana NOM-059-SEMARNAT-2010, Protección ambiental-Especies nativas de México de flora y fauna silvestres-Categorías de riesgo y especificaciones para su inclusión, exclusión o cambio-Lista de especies en riesgo, publicada el 30 de diciembre de 2010. – https://www.dof.gob.mx/nota_detalle.php?codigo=5578808&fecha=14/11/2019#gsc.tab=0 [accessed 2023-12-10 09:14]