n.〈植〉鸭跖草
Dayflower was very easy to regenerate roots if only it had a knob. 当土壤含水量低于13%25时，分枝不能再产生气生根；
Dayflower has stronger absorption the ability of 2 oxidation sulfur. 鸭跖草有较强的吸收二氧化硫的能力。
Title： Morphological characteristic of four kinds of seed of bengal dayflower (Commelina benghalensis L. 关键词：竹叶菜;种子形态学;地上种子;地下种子
As a kind of annual late-spring weed, dayflower(Commelina Commw2is L), which existed mainly in dry land, such as soybean, wheat and corn, was very difficult to control. 鸭跖草是一年生晚春杂草，主要危害大豆、小麦、玉米、花生等旱田作物，防除难度大。
Corridor, stair decorates average household corridor narrower, and person bearer is gone to, appropriate chooses small-sized potted flower, be like pocket coco, fern, dayflower kind, pineapple. 走廊、楼梯装饰一般家庭走廊较窄，且人来人往，宜选用小型盆花，如袖珍椰子、蕨类植物、鸭跖草类、凤梨等。
