Pavonia paniculata Cav.

  • Authority

    Fryxell, Paul A. 1999. Cavanilles (Malvaceae). Fl. Neotrop. Monogr. 76: 1-284. (Published by NYBG Press)

  • Family

    Malvaceae

  • Scientific Name

    Pavonia paniculata Cav.

  • Type

    Type. Peru. Near the Marañon River, Dombey s.n. (types, P as photo CTES, P-LA as photo CTES and as microfiche). Garilleti (1993) indicates that the fragments in the Cavanilles herbarium (MA-476073) cannot be identified as type material.

  • Synonyms

    Hibiscus cyanogynus DC., Pavonia scabra C.Presl, Malache scabra B.Vogel, Pavonia caracasana Turcz., Malache heterophylla (Turcz.) Kuntze, Pavonia heterophylla Turcz., Pavonia ageratoides Rusby, Pavonia subtriloba Rusby, Malache paniculata (Cav.) Kuntze, Lassa paniculata (Cav.) Kuntze, Lebretonia paniculata (Cav.) Britton

  • Description

    Species Description - Subshrubs or shrubs to 3 m tall, the stems stellate-pubescent with denser lines of pubescence longitudinally, and with glandular hairs especially in the inflorescence, sometimes pilose with simple hairs 2-3 mm long. Leaf blades mostly 6-12 cm long, as wide as long, ovate, oblong, or shallowly 3-lobed, cordate, serrate, acute or acuminate, discolorous, minutely pubescent; petioles 1/3-2/3(-1) times the length of the blades; stipules 5-10 mm long, falcate, recurved. Inflorescence a widely branched viscid panicle, at least the upper parts leafless; pedicels 1-2.5 cm long; involucellar bracts usually 7-9, linear, 5-10 mm long, viscid and ciliate, sometimes dark-pigmented; calyx ca. 6 mm long; corolla 1-2 cm long, pale yellow to yellow-orange; staminal column 4-5 mm long, pallid, glabrous, the filaments 4-5 mm long; styles pallid, glabrous, the stigmas reddish. Fruits 6-7 mm diam., subglabrous, the mericarps smooth or reticulate-veined. Chromosome number, 2n = 112 (Krapovickas & Cristóbal, 1965; Bates, 1967).

  • Discussion

    Gürke (1892b: 506) proposed Pavonia paniculata forma hirsuta Giirke and P. paniculata forma hirta Giirke to distinguish, respectively, those with long simple hairs on the stems from those that lacked them. Both forms have an understory of stellate and glandular hairs, so the distinction does not seem to merit taxonomic recognition. Also, judging from the brief description, the same type of variation may be the basis for the name Pavonia paniculata var. vitifolia St.-Hilaire & Naudin (Ann. Sci. Nat. Bot., ser. 2, 18: 43. 1842), based on a collection from Abaité, Minas Gerais (specimen not located).

  • Common Names

    Caballo usa amarilla, cadillo altea , cadillo anaranjada , majagüilla, malva del monte , purma , tablón , tamborcito , tumin chij ak’, tzajal, tzajalzak , yak’il ch’o

  • Distribution

    Widely distributed from Mexico and the West Indies to Argentina, including most of the intervening countries. It is found at elevations of less than 100 m to 2500 m. It occurs in a wide variety of habitats.

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