Vines and Climbing Plants of Puerto Rico and the Virgin Islands

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242 Vines and Climbing Plants of Puerto Rico and the Virgin Islands 16a. Legume with the apex straight ……..….………………………………………… 18. Pueraria 16b. Legume with the apex recurved………………………………………………………..……. 17 17a. Legumes ca. 3 mm wide; terminal leaflet elliptical or lanceolate ……………… 20. Teramnus 17b. Legumes > 4mm wide; terminal leaflet rhombic or ovate……………………………..……. 18 18a. Margin of the leaflets entire or sinuate ………………….…………….…… 3. Calopogonium 18b. Margin of the leaflets serrate-mucronate ……………..……………………… 16. Pachyrhizus 19a. Legumes ca. 5 cm wide, with 2 or 3 circular seeds, 3-4 cm in diameter ..…………. 9. Dioclea 19b. Legumes
Vines and Climbing Plants of Puerto Rico and the Virgin Islands 243 8-15 pairs, 0.8-1.5 × 0.3-0.7 cm, oblong or oblanceolate, membranaceous, the apex rounded and mucronate, the base rounded, the margins entire; upper surface glabrous, dull, with inconspicuous venation; lower surface puberulent, dull, with the midvein prominent; petiolules minute, slender; rachis without glands, puberulent, with a minute stipel at the base of each leaflet; petioles minute, slender, with the base slightly swollen; stipules filiform, 2-3 mm long, persistent. Inflorescences of small axillary or terminal pseudoracemes, with 5-7 flowers clustered on the swellings of the rachis; bracts minute, deciduous. Calyx campanulate, green, 3- 5 mm long, puberulent; corolla pink, the standard ovate, with the center dark pink, up to 1 cm long, concave, the apex acute, the wings and keels as 2. BARBIERIA A monospecific genus, characterized by the following species. 1. Barbieria pinnata (Pers.) Baill., Hist. Pl. 2: 263. 1870. Fig. 97. E-I BASIONYM: Galactia pinnata Pers. SYNONYMS: Clitoria pinnata (Pers.) R.H. Sm. & G.P. Lewis Clitoria polyphylla Poir. Barbieria polyphylla (Poir.) DC. Enredadera Woody vine or clambering shrub, twining, attainig 4-10 m in length. Stems slender, much branched, striate, hirsute, glabrescent, coppercolored, with some whitish lenticels. Leaves alternate, imparipinnate; leaflets 11-21, chartaceous, oblong, 2-5.5 × 1.2-2.2 cm, the apex rounded and mucronate, the base rounded or obtuse, the margins entire, ciliate; upper surface pale green, dull, with inconspicuous venation; lower surface green, silky or whitish, pubescent, with the midvein prominent, yellowish, covered with minute hairs; petiolules 1-2 mm long, ferruginous-pubescent; petioles 1-4 cm long, pilose; rachis pilose, with a pair of stipels at the base of each pair of leaflets; stipels linear, 3-5 mm long; stipules lanceolate, 5-9 mm long, pubescent, persistent. Inflorescences of axillary racemes of few distal flowers, 4-16 cm long; bracts long as the standard, unguiculate. Legumes oblong, 2-4.5 × 1-1.5 cm, slightly inflated, with the apex elongate and recurved and the margins slightly undulate, opening along the two sutures. Seeds ellipsoid, brilliant red, with a black spot at the base, 6-8 mm long. Phenology: Flowering from October to June and fruiting from November to September. Status: Exotic, naturalized, rather common. Distribution: In disturbed areas, such as secondary forests or along trails. Also on Culebra, Vieques, and the Virgin Islands. Native to the paleotropics, but found naturalized throughout the Neotropics. Public Forests: Cambalache, Ceiba, Guánica, Piñones, and Susúa. lanceolate, pubescent, forming an involucre at the base of the calyx. Calyx tubular, reddish, striate, 2.5-3.5 cm long, with five subulate sepals, acuminate, 0.8-1 cm long, the ventral sepals slightly longer than the lateral ones; corolla red or red-orange, the standard oblong-oblanceolate, unguiculate, 5-6 cm long, the wings oblong, 9- 13 mm long, the keel elliptic-oblong, 17-23 mm long; stamens 10, staminal column white, the anthers white; ovary superior, linear, 8-11 mm long, white-pubescent. Legume subsessile, oblong, flattened, laterally compressed between the seeds, 5-7 × 0.5-0.6 cm, pubescent, with the margins sinuate and the calyx persistent at the base. Seeds 4-9 per fruit, dark brown or black, oblong, 4-6 mm long. Phenology: Collected in flower from November to January and in fruit from January to May. Status: Native, not very common. Distribution: In forests in the zone of mogotes, in secondary forests, and on roadsides in moist places at middle elevations. Also in Cuba, Hispaniola, Central America, and South America. Public Forests: El Yunque, Maricao, and Río Abajo.
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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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