Pyrostegia venusta (Ker Gawl.) Miers

  • Authority

    Acevedo-Rodríguez, Pedro. 2005. Vines and climbing plants of Puerto Rico and the Virgin Islands. Contr. U. S. Natl. Herb. 51: 1-483.

  • Family

    Bignoniaceae

  • Scientific Name

    Pyrostegia venusta (Ker Gawl.) Miers

  • Description

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    Description - Liana that climbs by tendrils, 5-7 m in length. Stems angular to subcylindrical, striate, puberulent or lepidote, interpetiolar zone not glandular; cross section of the mature stem with peripheral phloem tissue not forming a cross. Leaves opposite, 2- or 3-foliolate, sometimes with a trifid, deciduous tendril; leaflets 4-6 x 2.5-4 cm, ovate, chartaceous, lepidote or puberulent, with numerous resinous dots on both surfaces, the apex acute, the base rounded, the margins undulate, revolute; upper surface dark, slightly shiny, with the venation slightly prominent; lower surface light green, dull, with a prominent midvein, without domatia; petioles and petiolules glabrous or puberulous, the petioles 1.5-2.5 cm long, angular, the petiolules 1-1.5 cm long, sulcate on the upper surface; pseudostipules inconspicuous. Flowers numerous in terminal panicles; pedicels 0.6-15 cm long. Calyx green, broadly campanulate, 4-4.5 mm long, subtruncate or 5-denticulate and ciliate at the apex; corolla redorange, tubular, 5.5-6.5 cm long, the tube glabrous externally, puberulent inside, the limb 2.9-4 cm in diameter, with 5 lobes, 1-1.5 cm long; stamens exserted, yellow; ovary oblong, ca. 4 mm long, glabrous or lepidote. Capsule linear, compressed, coriaceous, light brown, 25-30 cm long, with the midvein slightly prominent; seeds numerous, 1.2-1.4 cm long, the wings brown with the margins hyaline.

    Phenology - Collected in flower in January and February.

    Conservation Status - Exotic, cultivated, common.