Pavonia yatarendana Krapov. & Cristóbal

  • Authority

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

  • Family

    Malvaceae

  • Scientific Name

    Pavonia yatarendana Krapov. & Cristóbal

  • Type

    Type. Bolivia. Santa Cruz: Prov. Cordillera, 5 km N of Yatarenda, 17 Apr 1977, Krapovickas & Schinini 31482 (holotype, CTES; isotypes, K, LPB, MO, TEX).

  • Description

    Species Description - Shrubs 1-1.5 m tall, the stems finely puberulent, the hairs 0.1 mm long. Leaf blades ovate, basally cordate, crenate-serrate, acute or acuminate, 6-8 x 3-6.5 cm (1.5-2 times as long as wide), palmately 7-nerved, discolorous, minutely puberulent above, more densely and coarsely so beneath, also with scattered 3-armed spicules 1 mm diam.; petioles 2-7 cm long, minutely puberulent; stipules subulate, 5 mm long. Flowers solitary in the leaf axils, the pedicels 6-8 cm long, minutely puberulent; involucellar bracts 8, narrowly lanceolate, 15-18 x 1.5-2 mm, minutely puberulent, sometimes also with a very few setae 1-2 mm long at base; calyx 10-12 mm long, minutely puberulent and setose along the midrib of the lobes, with a few 2-3armed spicules at tips of lobes; corolla yellow without red center, 3.5 cm long, bearded on margins of claw; androecium purplish, the staminal column 9 mm tall, the filaments 2 mm long; styles exserted from column by 8 mm, free for distal 2 mm. Fruits 8-9 mm diam., minutely pubescent, 5-winged; mericarps 6 mm tall (excluding wings), dehiscent, with lateral wings and a prominent apical point 3 mm long; seeds 4 mm long, striate.

  • Discussion

    Illustration. Krapovickas & Cristóbal (1993: fig. 3).

    Krapovickas and Cristóbal (1993: 54) note that this species is unusual for having a recurved stylar column, as is shown in their illustration.

  • Distribution

    Known only from the type collection. The type locality is at 19°12'S, 63°32'W.

    Bolivia South America| Santa Cruz Bolivia South America|