Annual or perennial herbs, erect, creeping or climbing. Stems often 4-angled, sometimes prickly. Stipules similar to the leaves. Leaves (and leaf-like stipules) in whorls of 4-10, ± sessile. Flowers in axillary or terminal cymes, bisexual, rarely unisexual, usually 4-merous, not enclosed in an involucre. Calyx reduced to a rim; teeth 0. Corolla rotate to ± campanulate, greenish, creamy-white to br... © Mark Hyde, Bart Wursten and Petra Ballings (licence)See more in the Encyclopedia of Life...
- Parent Taxon
- Taxonomic Completion
- Global Pollen Project UUID
- Botanical Reference
- None available. You can check The Plant List for further information.