| Synonyms: | 
Herpestis monnieria (L.) Kunth  Lysimachia monnieri L. Monniera africana Pers.  | 
| Common names: | Water hyssop (English) | 
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| Description: | 
Prostrate glabrous plant with stems rooting at the nodes. Leaves 10-15 × 5-7 mm, obovate to spathulate, glandular-punctate; apex obtuse. Flowers solitary, axillary, white or blue (per FZ). Pedicels up to 25 mm, exceeding the leaves in fruit. Corolla 6-7.5 mm long; lobes slightly unequal. | 
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| Worldwide distribution: | Widespread throughout the tropics and subtropics. | 
| FZ divisions: | N | 
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| Spot characters: | Display spot characters for this species | 
| Literature: | 
 Philcox, D. (1990). Scrophulariaceae Flora Zambesiaca 8(2) Pages 48 - 49.  |