Vallisneria erecta S.W.L.Jacobs

Submerged or emergent, tufted, stoloniferous perennial. Leaves basal, to c. 80 cm long, 5.5–17 mm wide, with c. 5 major longitudinal nerves; apex acute when leaves are small, becoming broadly acute on larger leaves; margins entire or with sparse minute antrorse bristles. Leaves stiff and nondrooping on stranded plants. Male spathe ovate, 7–8 mm long. Male flowers

Inhabits flowing water of perennial creeks and rivers.