Primary tabs



Climbers, shrubs or treelets with spines, monoecious. Inflorescences bisexual or unisexual. Tepals 5; stamens 5 and opposite the tepals; stigmas furcate. Fruit at least 10 mm long.


Guianas present, Neotropics present
In the tropics, extending to temperate regions, 50-60 species; in the Neotropics 10(-15) species; in the Guianas one species.


L. 1754: Gen. Pl., ed. 5: 467

Wood observation species

C. iguanaea


Vessels diffuse, solitary (30-45%) and in irregular clusters and radial chains of 2-4(5), round to oval, 14-22 per sq. mm., diameter 150-180 μm. Vessel-member length: 345 μm. Perforations simple. Intervascular pits alternate, round, 9-11 μm. Vessel-ray and vessel-parenchyma pits similar in size, slightly elongated. Thin-walled tyloses sometimes present.
Rays uniserate and 2-4-seriate, 4-5 per mm, up to 1200 (1500) μm high. Heterogeneous, composed of square, upright and procumbent cells. Often vertically fused. Rhombic crystals, and sometimes druses, in the ray cells.
Parenchyma paratracheal, aliform-confluent, and in short wavy bands, marginal parenchyma present. Strands of 2-4 cells. Rhombic crystals scarce.
Fibres in part septate, lumen 3-6 μm, walls 3-5 μm. Pits simple, mainly on the radial walls. Length: 1050-1060 μm. F/V ratio: 3.0-3.1.
Pith flecks present.