Cold water is a perennial herb. Stem fleshy, 25-65 cm high, glabrous. Leaves opposite, 2 slightly different; petiole unequal, 0.5-7 cm long; leaf membranous, narrowly ovate or ovate, 4-11 cm long, 1.6-4.8 cm wide, apex acuminate or long The tip is rounded or broadly wedge-shaped, the edge has shallow serrations or shallow teeth on the base, and the bell-shaped bar-shaped strip is distinct and dense on both sides of the leaf, and also on the vein; the base has three veins.
Male and female; male inflorescence cymose, up to 4 cm; male flowers ca. 1.5 mm in diameter, perianth segments 4, stamens 4, longer than perianth segments, anthers white; female inflorescences shorter and dense, ca. 1.2 cm or less; Female flower perianth piece 3, narrowly ovate, ca. 0.5 mm long, 1 long in the middle, outer mask stalactite, stigma brush head. Achenes are ovate, slightly skewed, pale yellow, with a blemish on the surface. Flowering period from July to September, fruiting period from September to November.
Common cultivars of cold water flowers are: dense cold water flower (P. c. cv. Nana): dense foliage, plants are shorter, less than 20 cm.
Analog Camera,CCD Camera,Mini Camera
YCX Electronics Co., Ltd. , http://www.sz-camera.com