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Basic definition Detailed definition

1. [water chestnut] Anciently known as eider gromwell. It is also known as the black taro. In some regions, it is called ground chestnut, ground pear, and horseshoe. 2. a perennial herb, planted in paddy fields, with a stolon that expands into a bulb at the apex. 3. The bulb of this plant can be used as a vegetable, as a substitute for fruits, and to make starch for use in traditional Chinese medicine

Encyclopedic Definitions

The water chestnut, also called water chestnut, or horseshoe, is a water plant with the following names: water chestnut, water chestnut, and water chestnut. , also known as horseshoe, water chestnut, Wu yam, Bodhi chestnut, etc., belongs to the monocotyledonous sedge family, for the perennial persistent rooted herbaceous plants. There are slender creeping rhizomes, and tubers are borne at the tips of the creeping rhizomes, commonly known as water chestnuts. Culms numerous, tufted, erect, terete, with numerous transverse membranes, existing nodes on culm surface after drying, but inconspicuous, gray-green, smooth and glabrous. Leaves absent, only 2-3 leaf sheaths at base of culm; sheaths submembranous, greenish yellow, purplish red or brown. Spikelets terminal, terete, two scales hollow and flowerless at base of spikelet, clasping base of spikelet for a week; remaining scales all flowered; one and a half times longer than nutlet, barbed; stigmas 3. Nutlets broadly obovate, biconvex, not constricted at tip; stylopodium sharply narrowed and flattened from a broad base to triangular. Flowering and fruiting May-October. Native to India, widely distributed throughout the world