Citation: Hylander, Rep. Univ. Inst. Appl. Sci. Reykjavik, Dept Ag. Bull. 3:109 (1948).

Synonymy: Nasturtium microphyllum Boenn. ex Reichb., Fl. Germ. Excurs. 2:683 (1832).

Common name: One-rowed watercress.

Description:
Perennial, semi-aquatic, stoloniferous; stems to 60 cm long; leaves pinnate with 1-9 pairs of pinnae, mostly to 10 cm long.

Sepals 1.5-3 mm long; petals 4-5 mm long, white; stamens 6.

Siliqua linear, curved, 15-30 mm long, 1-2 mm wide; valves with an inconspicuous vein; style to 1 mm long; pedicels spreading to reflexed, 10-15 mm long; seeds ovoid, c. 1 mm long, reticulate with 100 depressions per face, in 1 irregular row, not mucous.

	Rorippa microphylla seed only.
Image source: fig 221c in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Distribution:  A semi-aquatic species found close to settlement. S.Aust.: SL, SE.   N.S.W.; Vic.; Tas.   Native to Europe and western Asia. Conservation status: naturalised Flowering time: not known (no specimen in AD).

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Author: Not yet available