Evergreen shrubs to small trees, up to 5 meters high; The terminal bud is inconspicuous and loosely wrapped by the extended stipules. Leaves opposite, thick papery, elliptic to elliptic-lanceolate, or sometimes obovate-oblong to obovate-lanceolate, 4-12cm long and1.5-3cm wide, with the tip short to conical or blunt, the base blunt or wedge-shaped, sometimes narrowed, the top hairless and the bottom hairless or sometimes sparsely pubescent; 6- 12 pairs of lateral veins, with sparse hair trapped in the axils of the veins; Petiole 2-6 mm long, glabrous or pubescent; Stipules 2-lobed, caducous. The head is obviously axillary, extremely sparse and terminal, except for the corolla diameter of 4-6 mm, and the inflorescence axis is solitary and unbranched; Bracteoles linear to linear rod-shaped, glabrous; Total pedicels 3-4. It is 5 cm long and has 5 whorled bracts below the middle. The calyx tube has hairs at the base and scattered hairs at the upper part, and the calyx lobes are linear oblong or spoon-shaped; Corolla white, narrow funnel-shaped, corolla tube puberulent, corolla lobes ovoid oblong; 5 stamens, short filaments, inserted in the throat of corolla; Ovary 2-loculed, with many ovules in each locule, prominent style, small stigma, spherical or ovoid. Infructescence is 8- 10 mm in diameter; Capsule cuneate, 2-5 mm long; The seeds are rectangular with narrow wings at both ends.

The whole plant can treat scab of livestock. Wood is used for carving. With developed root system, it is a good dike-fixing plant.

You can watch the water lily at the same time, and the scientific name is similar, so you can compare it at the same time.