Herbs or small shrubs. Stipules present (in ours). Leaves ± entire or dentate. Flowers bisexual, yellow, reddish, purplish or white, 1-several on axillary peduncles. Bracts 1 or 2 on the peduncle or 0 (kirkii). Calyx 5-lobed. Petals 5. Filaments variously shaped. Ovary 5-locular. Capsule dehiscent with 5 valves. Derivation of name: Named after Paul Herman (1640-1695), Prof. of botany in Leyden and early collector at the Cape. Worldwide: Over 100 species in tropical and warm areas Caprivi: 6 taxa. Insects associated with this genus:
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| Species | Content | |
| boraginiflora Hook. | Description | |
| eenii Baker f. | Description, Image | |
| glanduligera K. Schum. | Description, Image | |
| modesta (Ehrenb.) Mast. | Description, Image | |
| quartiniana A. Rich. | Description, Image | |
| tomentosa (Turcz.) Schinz ex Engl. |