Rorippa palustris
Content
Description
Annual or shortlived perennial herb with taproot, glabrous, 10-110 cm high.
Sepals oblong, 1.6-2.4 mm long.
Petals pale yellow, spathulate, 1.6-2.6 mm long.
Ovary cylindrical with distinct style and not or slightly expanded stigma.
Seeds brown to light brown, spheroid, 0.6-0.9 mm, finely collicu-late.
Distribution
Alor present, Asia-Tropical: Jawa (Jawa present); Maluku (Maluku present); New Guinea present, Lesser Sunda Is present, S. Highlands present, Sepik present, Tanimbar present, Vogelkop present, many montane regions in subtropics and tropics present, south temperate areas and elsewhere, whole north temperate area present
Over the whole north temperate area; widespread in many montane regions in subtropics and tropics; introduced to south temperate areas and elsewhere. In Malesia: Java (W., E.), Lesser Sunda Is. (Alor), Moluccas (Tanimbar), New Guinea (West: Vogelkop; East: Sepik, S. Highlands).