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Najas guadalupensis
Also called Southern Naiad, Guadalupe Waternymph, Guadalupe Naiad, Guadalupe Water Nymph, Southern Water Nymph, Guppy Grass, Common Waternymph
Southern waternymph is a submerged annual aquatic plant native to the Americas, growing in ponds, ditches and slow streams. It is grown mainly in aquariums and water gardens, where it needs open water and plenty of light.
Najas guadalupensis is a species of aquatic plant known by the common names southern waternymph, guppy grass, southern naiad, najas grass and common water nymph. It is native to the Americas, where it is widespread. It is considered native to Canada (from Alberta to Quebec), and most of the contiguous United States, Mexico, Central America, the West Indies and South America. It has been introduced in Japan, and Palestine and Israel.
Najas guadalupensis is an annual, growing submerged in aquatic habitat types such as ponds, ditches, and streams. It produces a slender, branching stem up to 60 to 90 centimeters in maximum length. The thin, somewhat transparent, flexible leaves are up to 3 centimeters long and just 1 or 2 millimeters wide. They are edged with minute, unicellular teeth.
Najas ancistrocarpa · Needleleaf waternymph · Nodding waternymph · Slender waternymph · Ricefield waternymph · Najas grossareolata · Najas hagerupii · Najas halophila · Najas indica · Najas kurziana · Najas madagascariensis · Spiny naiad
Text excerpted from the Wikipedia article Najas guadalupensis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
