Ruppia maritima (PROSEA)
From PlantUse English
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Introduction |
- Family: Potamogetonaceae
Synonyms
- Ruppia cirrhosa (Petagna) Grande,
- R. rostella Koch,
- R. spiralis L. ex Dumort.
Vernacular names
- Ditch grass, tassel pondweed (En)
- Vietnam: hải kim.
Distribution
Cosmopolitan; throughout South-East Asia.
Uses
Applied to clarify and improve the water quality of fish ponds in salt water or brackish water. It is also important as a fish food.
Observations
- Submerged, salt water or brackish water plant.
- Leaves alternate, linear, up to 10 cm long; stipules membranous and fused to form a sheath.
- Inflorescence axillary, with 4-6 flowers, on a peduncle which elongates in fruit.
- Flowers bisexual; perianth absent; stamens 2; carpels 2-3.
- Fruit ovoid, on a stipe up to 30 mm long.
R. maritima is uncommon in salt water and brackish water swamps.
Selected sources
- Burkill, I.H., 1966. A dictionary of the economic products of the Malay Peninsula. 2nd Edition. 2 volumes. Ministry of Agriculture and Co-operatives, Kuala Lumpur, Malaysia. 2444 pp.
- Flore du Cambodge, du Laos et du Viêt-nam [Flora of Cambodia, Laos and Vietnam] (various editors), 1960-. Volume 1-. Muséum National d'Histoire Naturelle, Laboratoire de Phanérogamie, Paris, France.
- Heyne, K., 1950. De nuttige planten van Indonesië [The useful plants of Indonesia]. 3rd Edition. 2 volumes. W. van Hoeve, the Hague, the Netherlands/Bandung, Indonesia. 261, 1450 pp.
- Mansfeld, R., 1986. Verzeichnis landwirtschaflicher und gärtnerischer Kulturpflanzen (ohne Zierpflanzen) [Register of cultivated agricultural and horticultural plants (without ornamentals)]. Schultze-Motel, J. et al., editors 2nd edition, 4 volumes. Springer Verlag, Berlin, Germany. 1998 pp.
- Wealth of India (various editors), 1948-1976. A dictionary of Indian raw materials and industrial products: raw materials. 11 volumes. Publications and Information Directorate, Council of Scientific and Industrial Research, New Delhi, India. 4441 pp.
Authors
- M.S.M. Sosef & L.J.G. van der Maesen
