Annual or perennial herbs. Leaves usually opposite but may be in whorls or alternate. Calyx usually with 4 lobes, the fifth when present, small. Flowers usually blue, rarely white or pinkish. Corolla with a very short tube and rotate 4-lobed limb. Stamens 2. Capsule ± laterally flattened. © 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.