Edible: Fronds, Leaves, Seeds, Leaves - tea
A long crawling fern. It can float on water. It has slender creeping rhizomes. It forms roots at the nodes. The young leaves are downy but become smooth. There are 4 triangle shaped leaflets. Each one is 1-2 cm across. The stalks are slender and 15 cm long. The sori or spore bodies, are narrow and enclosed by fronds.
It grows in wet places. It grows in temperate and subtropical places. In Yunnan.
Common Names: Aarai keerai, Chantuel phnom, Chapatray, Charpate behuli, Chapatri, Chuka chook. Co bo, Kundo arxa, Ishing yenthang, Liu yue xue, Pani tengesi, Rasun ara, Rau bo, Shusni shak, Square herb, štiriperesna marzilka, Sushni shak, Susni sag, Susnisak, Vattachappu,