This section is from the book "The Standard Cyclopedia Of Horticulture Vol2", by L. H. Bailey. See also: Western Garden Book: More than 8,000 Plants - The Right Plants for Your Climate - Tips from Western Garden Experts.
(aboriginal name). Nymphaeaceae. Fan-wort. Submersed aquatics of the western hemisphere, used in ponds and aquaria.
Flowers small; sepals and petals 3, persistent; stamens 3-6; carpels 3-18, separate: submerged leaves finely dissected, mostly opposite. - Six species.
Gray (C. aquatica, DC, not Aubl. C.viridifolia,Hort.). Washington Plant. Fish-Grass. Floating leaves green, oblong-linear: flowers axillary, 1/2 in. broad, white, with 2 yellow spots at base of each petal; stamens 6. Ponds and slow streams, S. 111. to N. C., Fla. and Texas. A.G. 15:157. - Hardy as far north as Phila. if not frozen. The commonest plant for fish-globes and aquaria; roots easily in earth, grows well, is dense and bushy, and a good oxygenator; prefers water free from lime. Prop, by cuttings set in earth in 1-2 ft. of water at 55-70° F. Commonly sold for aquaria in bunches of 6-12 shoots 8 in. long, wrapped with lead at base; without earth the bunch lasts 4-8 weeks, when it drops most of its leaves and must be replaced. variety rosaefolia, Hort., is a form with reddish leaves, less durable, and more difficult to propogate A. G. 15:157. variety pulcherrima, Harper, has stems reddish purple, leaves darker with narrower segments and petals bright purple. Ga. The true C. aqudtica, Aubl., of tropical Amer., with yellow flowers and nearly orbicular floating leaves, is shown in B.M. 7090.
H. S. Conard.