Vines and Climbing Plants of Puerto Rico and the Virgin Islands

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224 Vines and Climbing Plants of Puerto Rico and the Virgin Islands dehiscent by longitudinal sutures; ovary superior, unicarpellate, with two basal ovules, the style terminal, filiform, the stigma punctiform to peltate. Fruit a berry or capsule with irregular dehiscence; seeds usually 2, reniform, black, covered by a white arillode, membranaceous or fleshy. A neotropical genus of about 40 species.
Vines and Climbing Plants of Puerto Rico and the Virgin Islands 225 1. Doliocarpus brevipedicellatus Garcke, Linnaea 22: 47. 1849. Fig. 90. A-J Twining liana attainig 5 m or more in length. Branches angular, appressed-pubescent. Leaves 5-16 × 2.5-8 cm, lanceolate or less frequently elliptic-lanceolate, coriaceous or subcoriaceous, the upper surface pilose on the primary vein, the lower surface strigose on the secondary veins, the apex acuminate, the base cuneate or rounded, the margins deeply dentate-mucronate; petioles 0.5- 1.2 cm long, strigose. Inflorescences fasciculate, racemose, with 3-5 flowers; peduncles and pedicels appressed-pubescent. Calyx of 4-5 unequal sepals, pilose outside, the outer ones 1.5- 2 mm long, lanceolate, the inner ones 3-3.5 mm long, ovate-elliptical; petals 2-3 mm long, white; stamens 25-40; pistil glabrous. Capsules 4-7 mm in diameter, irregularly dehiscent. Seed one. Phenology: Collected in flower in March. Status: Native, uncommon in Puerto Rico. 2. PINZONA A monotypic genus characterized by the following species. 1. Pinzona coriacea Mart. & Zucc. in Zucc., Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 1: 371. 1832. Fig. 1C; 91. A-K SYNONYM: Doliocarpus calinoides (Eichl.) Gilg. Bejuco de agua Twining liana attainig 30 m in length; stems cylindrical, up to 10 cm in diameter, producing abundant potable water when cut; bark reddish brown, peeling in a scaly manner; cross section with concentric rings of xylem alternating with rings of parenchyma. Branches puberulent, angular, scabrous, glabrescent, and cylindrical when mature. Leaves alternate, 8.5-22 × 3-12.5 cm, broadly elliptical, ovate to obovate, coriaceous, the apex rounded, sometimes shortapiculate, the base rounded to subcordiform, the margins revolute, sinuate, or dentate-mucronate; upper surface scabrid, sometimes with the veins Distribution: Known from the zone of mogotes. Its distribution in the Neotropics is rather widespread, being found in Hispaniola, Nicaragua, Panama, Colombia, Venezuela, the Guianas, Brazil, and Bolivia. Commentary: This species was treated by Liogier (1994) in his “Descriptive Flora of Puerto Rico and adjacent islands, Vol. 3” as a synonym of Doliocarpus major Gmel. This error was initiated by Hunter in 1965, but corrected by Kubitzki in 1971. Doliocarpus major is a South American species that is distinguished from D. brevipedicellatus, among other things, by having longer inflorescences and papillae on the lower surface of the leaves. Excluded species: Doliocarpus olivaceus Sprague & R.O. Williams ex Standl. was reported for Puerto Rico by Liogier (1994) based on the erroneous identification of a specimen of Pinzona coriacea. This species is known from Venezuela, the Guianas, Brazil, and Bolivia, but not from the Antilles. appressed-pubescent; lower surface with prominent venation, papillose; petioles thick, 1- 3.5 cm long, winged, with the base decurrent to half the diameter of the branch. Inflorescences of axillary panicles, 3-7 cm long, pilose; bracts oblong to ovate, 1-2 mm long. Calyx of 3-4 subequal sepals, ca. 2 mm long; petals 3, obovate, longer than the sepals; stamens 25-30, the filaments sinuate; ovary superior, bicarpellate, biglobose, glabrous. Fruit capsular, bilobate, bilocular, crustose, tardily dehiscent. Seeds 2 per fruit, with an orange arillode. Phenology: Collected in flower in May and June and in fruit in November. Status: Native, locally common. Distribution: In moist, mature forests of montane areas, in the Cordillera Central and the Sierra de Luquillo. From Belize to Bolivia, including the Antilles. Public Forests: Carite and El Yunque.
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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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