THE GENUS NYMPHOIDES-SEGUIER (MENYANTHACEAE) IN INDIA

Authors
SIVARAJAN VV JOSEPH KT
Citation
Vv. Sivarajan et Kt. Joseph, THE GENUS NYMPHOIDES-SEGUIER (MENYANTHACEAE) IN INDIA, Aquatic botany, 45(2-3), 1993, pp. 145-170
Citations number
43
Categorie Soggetti
Plant Sciences","Marine & Freshwater Biology
Journal title
Aquatic botany → ACNP
ISSN journal
03043770
Volume
45
Issue
2-3
Year of publication
1993
Pages
145 - 170
Database
ISI
SICI code
0304-3770(1993)45:2-3<145:TGN(II>2.0.ZU;2-E
Abstract
The genus Nymphoides Seguier is represented by eight species in India. Of these, Nymphoides peltata (Gmel.) O. Kuntze is restricted to tempe rate Himalaya and Kashmir while all others are tropical in distributio n. The species are mainly distinguished by their floral morphology. Ny mphoides aurantiacum (Dalz.) O. Kuntze, Nymphoides parvifolium (Griseb .) O. Kuntze and Nymphoides sivarajanii Joseph have bisexual, homostyl ous flowers, while Nymphoides indica (L.) O. Kuntze and N. peltata (Gm el.) O. Kuntze have bisexual, distylous ones. Nymphoides macrospermum Vasud. and Nymphoides krishnakesara Sivar. & Joseph are dioecious and Nymphoides hydrophylla (Lour.) O. Kuntze is monoecious or gynodioeciou s. A key for identification of the species, their nomenclature and com plete descriptions are provided along with notes on habitat and other items.