Vines and Climbing Plants of Puerto Rico and the Virgin Islands

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344 Vines and Climbing Plants of Puerto Rico and the Virgin Islands 34. Family PIPERACEAE 1. PEPEROMIA Terrestrial or epiphytic herbs, erect, prostrate, pendulous, or climbing; stems succulent, glabrous or pubescent. Leaves alternate, opposite or whorled, with palmate or pinnate venation; petioles elongate or short or less frequently absent. Flowers numerous, in terminal spikes or opposite the leaves; stamens 2; ovary superior, sessile or stipitate, the stigma one, terminal or lateral. Fruit a minute drupe, ellipsoid or globose, sessile or stipitate. A genus of 1000 species, distributed throughout the tropics and subtropics. 1. Peperomia rotundifolia (L.) Kunth in Humb. Bonpl. & Kunth, Nov. Gen. Sp. (quarto ed.) 1: 65. 1815. Fig. 139. A-D BASIONYM: Piper rotundifolium L. Yerba de ratón, Yerba linda, Yerba de medio real, Bejuco de alcanfor Epiphytic herb, ascending by means of small aerial roots, attainig 1-3 m in length. Stems cylindrical, brittle, pubescent, ca. 1 mm in diameter, with numerous lateral branchlets. Leaves alternate, fleshy when fresh, aromatic, membranaceous on drying, 5-11 mm long, elliptical, obovate, or almost circular, the apex
Vines and Climbing Plants of Puerto Rico and the Virgin Islands 345 rounded, the base obtuse or almost rounded, the margins entire, markedly revolute, ciliate; upper surface dark green, glabrous, puberulent, or minutely strigulose, with dark dots; lower surface concave, pale green, glabrous or puberulent, with dark dots; petioles thin, 1-5 mm long, with minute dark dots. Inflorescences of terminal spikes, 1- 2.5 cm long, produced on the lateral branchlets. 35. Family PLUMBAGINACEAE 1. PLUMBAGO Phenology: Flowering throughout the year. Status: Native, locally common. Distribution: On trees and rocks in moist forests of the Cordillera Central. Also in Cuba, Jamaica, the Lesser Antilles, Trinidad, and tropical continental America. Public Forests: Carite, El Yunque, Guajataca, Guilarte, Maricao, Río Abajo, and Toro Negro. Shrubs or herbs, erect, creeping, or climbing. Leaves simple, alternate, petiolate or sessile, with pinnate venation; stipules absent. Flowers bisexual, actinomorphic, short-pedicellate, bibracteate, in terminal racemes or panicles; calyx with 5 longitudinal ribs covered with stipitate glands, the lobes triangular; corolla hypocrateriform, the tube longer than the calyx, the lobes obovate, rounded, or truncate; stamens 5, the filaments free, included or slightly exserted, the anthers dehiscent by longitudinal valves; ovary superior, unilocular, with one basal ovule per carpel; style united, with 5 stigmatic branches. Fruit a valvate capsule, membranaceous, with a single seed. A tropical genus of 12-20 species. 1. Plumbago scandens L., Sp. Pl. ed. 2, 215. 1762. Fig. 140. A-F Slightly woody shrub, scandent, with numerous basal or lateral branches, attaining 2-3 m in length. Stems cylindrical, striate, glabrous. Leaves alternate, chartaceous, 3-13 × 1-6 cm, ovate, oblong-lanceolate, spathulate, or oblanceolate, the apex acute, acuminate, or obtuse, the base obtuse, rounded, cuneate, or attenuate, sometimes unequal, the margins entire; upper surface glabrous; lower surface with lepidote dots; petioles 5-10 mm long. Inflorescences of terminal panicles, up to 30 cm long; peduncles glabrous, striate, sparsely covered with sessile glands; bracteoles elliptical, ca. 2 mm long; pedicels ca. 1 cm long. Calyx green, 7-11 mm long, the ribs with sticky stipitate glands; corolla white, hypocrateriform, the tube 1.2-2 cm long, the lobes 0.5-1 cm long, obovate, mucronate; stamens exserted, the anthers pale violet. Fruit an oblong capsule, covered by the persistent calyx and sticky. Phenology: Collected in flower from January to August. Status: Exotic, cultivated and naturalized, common in our gardens. Distribution: Cultivated, rather common, also naturalized in disturbed areas, roadsides, and in pastures. Also on Desecheo, Mona, St. Croix, St. John, St. Thomas, and Tortola; throughout tropical America. Public Forest: Mona.
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SMITHSONIAN INSTITUTION Contributio
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PREFACE To the future generation of
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Vines and Climbing Plants of Puerto
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Acelga trepadora ..................
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Wild cucumber .....................
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Vines and Climbing Plants of Puerto Rico and the Virgin Islands

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