Watermimosa
| Watermimosa | ||||||||||||
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Water mimosa ( Neptunia oleracea ) |
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| Scientific name | ||||||||||||
| Neptunia oleracea | ||||||||||||
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The water mimosa ( Neptunia oleracea ) is a pantropical aquatic plant .
description
The watermimosa is a perennial herbaceous plant . It grows floating or lying on the bank ( hydrophyte ). It often takes root at the nodes . The alternate leaves are multi-pinnate and sensitive like mimosas . The rachis (the central main axis of the leaflets) is 1.1 to 4.2 (rarely up to 6.5) cm long. There are two to four first-order leaflets and seven to 22 pairs of second-order leaflets. The leaflets are about 5 to 20 mm long and 1.5 to 4 mm wide. The petiole has a length of 2.5 to 9 cm. The mostly egg-shaped stipules are 5 to 9 mm long and 3 to 5 mm wide.
The heady inflorescence , standing on a 6.5 to 23 (rarely up to 30) cm long stem, has a diameter of 1.5 to 2.5 cm and contains up to fifty flowers. The cup has a length of 1 to 3 mm. The petals are green to yellow. There are ten fertile stamens . The ten petal-like, yellow staminodes are up to 17 or 21 mm long.
The legumes are 1.3 to 2.7 (rarely up to 3.8) cm long and 1 to 1.2 cm wide. The seeds have a length of 5 to 5.5 mm and a diameter of 3 to 3.5 mm.
distribution
The water mimosa is found in South and Central America, Africa, Madagascar and Asia and inhabits warm, slowly flowing to stagnant waters.
Synonyms
The species was first described by João de Loureiro in 1790 , there are a number of synonyms : Neptunia natans ( L. f. ), Neptunia stolonifera (DC.) Guill. & Perr., Desmanthus stolonifer DC., Neptunia prostrata (Lam.) Baill., Mimosa prostrata Lam.
use
The watermimosa is grown as a vegetable in Southeast Asia, especially Thailand .
Individual evidence
- ↑ a b c J. PM Brenan: Flora of Tropical East Africa , 1959, Online ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice.
- ^ Forno IW, Fichera J., Prior S .: Assessing the Risk to Neptunia oleracea Lour by the Moth, Neurostrota gunniella (Busck), a Biological Control Agent for Mimosa pigra L. , PDF, Online
Web links
- Neptunia oleracea . In: U. Brunken, M. Schmidt, S. Dressler, T. Janssen, A. Thiombiano, G. Zizka: West African plants - A Photo Guide. Senckenberg Research Institute, Frankfurt am Main 2008.
- For use as a vegetable
- Neptunia oleracea inthe IUCN 2013 Red List of Threatened Species . Posted by: Allen, D, 2011. Retrieved September 8, 2013.