Oenanthe

Keys as per Flora of Bhutan:

1. Leaves simple or sparingly once-pinnate; rachis grass-like, segments filiform …. 1. O. hookeri
+ Leaves biternate or 2-4 x pinnately divided; segments otherwise . . . . ………… . .. 2
2. Leaves biternate or bipinnate; segments medium-sized, elliptic ……………………. 2. O. javanica
+ Leaves 3-4 x pinnately divided; ultimate segments numerous, minute, linear …… 3. O. thomsonii

Oenanthe javanica (Blume) DC.