Diagnostic description ²

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.

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 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.

Selected Specimens Examined: Acevedo-Rdgz., P. 10821; 10863; Sintenis, P. 1442; 2629; 6173.

Distribution ³

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.

Sources and Credits

1. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA), https://collections.nmnh.si.edu/services/media.php?env=botany&irn=10085062
2. (c) Pedro Acevedo-Rodríguez, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/28435317
3. (c) Pedro Acevedo-Rodríguez, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/28435815

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