Genus of aquatic herbs of temperate and tropical regions having sagittate or hastate leaves and white scapose flowers. 生长于温带或热带地区的一个水生草本植物属,叶箭头状或戟形,花具花葶,白色花。
Low perennial with small silvery-green ovate to hastate leaves. 低矮的多年生植物,有银绿色的卵圆形至戟形的叶子。
Different from their allotriploid parent, the plants have white spine, and the shape of leaves in 02-17 and 02-39 was hastate and palmate, respectively. 02-17植株叶形为戟形,02-39为深陷的掌状形,并且果刺均为白色,不同于异源三倍体的掌状心脏形和黑刺,果形比异源三倍体黄瓜长而更接近普通黄瓜。