Pavonia missionum Ekman

  • Authority

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

  • Family

    Malvaceae

  • Scientific Name

    Pavonia missionum Ekman

  • Type

    Type. Argentina. Misiones: Posadas, Bonpland, Ekman 173 (lectotype, here designated, S; isotypes, MO, NY, S-2).

  • Description

    Species Description - Shrubs 1-2 m tall, the stems minutely glandular-pubescent and sometimes with occasional setae 1 mm long. Leaf blades ovate to ovate-tri angular, rarely obscurely 3-5-lobed, mostly 2-6(-9) x 1.5-3.5(-8) cm, basally more or less cordate, crenate-serrate, acute, discolorous, the upper surface with simple appressed hairs 0.5-1 mm long, the lower surface sparsely to moderately pubescent with stellate and simple hairs (especially on veins); petioles 1—4(—7) cm long; stipules subulate, 3-4 mm long. Flowers solitary in the leaf axils, the pedicels 1-5 cm long; involucellar bracts 5, lanceolate, 6-7 x 1.5-2.5 mm, glandular-pubescent; calyx 9-11 mm long (to 15 mm in fruit), deeply divided, glandular-pubescent and ciliate, sometimes with reddish-pigmented veins; corolla 1.5-2 cm long, red, glabrous on claw and throughout; staminal column 7-10 mm long, glabrous, the filaments 0.5-1 mm long. Fruits 8-10 mm diam., obscurely pubescent; mericarps 4-5 mm high, carinate and prominently reticulate-rugose. Chromosome number, In = 56 (Krapovickas & Cristóbal, 1962).

  • Discussion

    Illustrations. Ekman (1909: fig. 7); Krapovickas & Cristóbal (1962: fig. II).

    Pavonia missionum is distinguished by its red corollas and red-veined calyx lobes, together with characteristic leaves, which are ovate-triangular to weakly lobed and relatively sparsely pubescent with appressed simple hairs on the upper surface.

  • Distribution

    From Brazil (Paraná, Rio Grande do Sul, Santa Catarina), Argentina (Corrientes, Misiones), and Paraguay. The type locality is approximately at 27°30'S, 55°32'W.

    Brazil South America| Paraná Brazil South America| Rio Grande do Sul Brazil South America| Santa Catarina Brazil South America| Argentina South America| Corrientes Argentina South America| Misiones Argentina South America| Paraguay South America| Alto Paraná Paraguay South America| Guairá Paraguay South America|