Vines and Climbing Plants of Puerto Rico and the Virgin Islands

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152 Vines and Climbing Plants of Puerto Rico and the Virgin Islands 1. Clusia gundlachii A. Stahl, Estud. 2: 122. 1884. Fig. 60. A-G Cupey de altura, Bejuco de cupey, Cupeillo de altura Clambering shrub attaining 7 m in length, with abundant cream-colored latex. Trunk cylindrical, up to 10 cm in diameter at the base; branches pendulous, opposite, subcylindrical or slightly compressed, glabrous, with long, pendulous aerial roots. Leaves opposite; blades 5.5-10 × 2.1-6 cm, oblanceolate, elliptical, oval, or ovate, coriaceous, glabrous, the apex acute or obtuse, the base cuneiforme to obtuse, the margins entire, revolute; upper surface dark, slightly shiny,
Vines and Climbing Plants of Puerto Rico and the Virgin Islands 153 with the midvein yellowish; lower surface yellowish green, with a prominent midvein; petioles thick, 1-2 cm long. Flowers numerous, unisexual, arranged in dichasial cymes to form a terminal thyrse, as long as wide. Calyx green, crateriform, of 4 sepals, concave, rounded, in 2 series, the 2 outer sepals ca. 3 mm long, the inner ones ca. 4 mm long; corolla tubular, ellipsoid or ovoid, 2-3 mm long; staminate flowers with 10 stamens included within the corolla; pistillate flowers with sterile stamens, ovary urceolate, 4- 5-locular, the stigmas sessile. In addition to the fertile inflorescences, this species produces sterile inflorescences, pendulous, much branched, with numerous green bracts, opposite and decussate along the axes. Capsule fleshy, ovoid or ellipsoid, 1.6-2 cm long, greenish, opening by 4-5 valves, each of which contains a row of minute, elliptical seeds, covered with a sticky orange matrix. Phenology: Flowering and fruiting throughout the year. Status: Endemic to Puerto Rico, rather common. Distribution: Principally in moist forests along the Cordillera Central and the Sierra de Luquillo, but extending toward the dry forests of the south coast. 16. Family COMBRETACEAE 1. COMBRETUM Public forests: Carite, El Yunque, Guánica, Guilarte, Maricao, Río Abajo, Susúa, and Toro Negro. Commentary: This species, described by Dr. Agustín Stahl, was dedicated to Dr. Juan Gundlach, a German naturalist resident in Cuba, who had visited Puerto Rico in 1873 and in 1875- 76. This species is superficially similar to Clusia minor L., which can be distinguished from C. gundlachii by the following key. 1a. Clambering shrub with long, pendulous branches; leaves oblanceolate, elliptical, oval, or ovate, the apex acute or less frequently obtuse; flowers functionally unisexual, the pistillate ones with staminodia; corolla tubular, ellipsoid or ovoid, 2-3 mm long, closed at the apex to form a calyptra; fruit ovoid or ellipsoid ………..………………….....…C. gundlachii 1b. Erect shrub; leaves oblanceolate or spathulate, the apex rounded or obtuse; flowers hermaphroditic or pistillate (the latter with a resinous ring in place of the staminodia); corolla of free petals, rounded, ca. 1.5 cm long; fruit ovoid or subglobose..........……C. minor Trees, erect or scandent shrubs, or lianas. Leaves opposite or sometimes alternate or whorled; blades simple; petioles articulated at the base. Flowers 4-5-merous, bisexual, sessile or short-pedicellate, arranged in heads, racemes, spikes, or compound paniculiform inflorescences; bracts foliaceous or reduced. Calyx forming an infundibuliform, tubular, or cupular hypanthium that projects beyond the ovary, with the sepals on the distal portion of the hypanthium; corolla of free petals or absent; stamens 8-10, in one or two whorls, exserted or inserted; ovary inferior, with 2-6 ovules, the style simple, free or adnate to the hypanthium. Fruit dry, indehiscent or dehiscent, with 4 or 5 wings or ribs; seed one. About 270 species of tropical distribution, with numerous species in Africa. Key to the species of Combretum 1a. Hypanthium infundibuliform, red-purple; stamens exserted, in a single whorl; inflorescences spicate, with the flowers densely clustered ........................................................................ 1. C. grandiflorum 1b. Hypanthium long-tubular, green; stamens inserted in two whorls; inflorescences racemose, with the flowers dispersed ..................................................................................................... 2. C. indicum
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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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