Common name: Waternymph
Najas browniana Rendle APNI*
Description: Submerged aquatic monoecious annual or short-lived perennial with stems to 1 m long, though usually much shorter; basal stems horizontal and rooting at the nodes.
Leaves opposite or ± whorled; lamina to 5 cm long, 1–2 mm wide, margins with several fine teeth, each tooth surmounted by a small, forwardly projected spine-cell; auricles obtuse, 0.3–0.5 mm long.
Male flowers c. 2 mm long, produced towards the tip of the branches; anther c. 1 mm long, 1-sporangiate. Female flowers produced lower down the stem, without a spathe, 1–4 mm long, with 2- or 3-lobed stigmas.
Seed 0.7–1.7 mm long, the squarish to hexagonal pits in regular rows of 18–30.
Flowering: during warmer months.
Distribution and occurrence: Grows in freshwater < 3 m deep.
NSW subdivisions: NC, CC, NWS
Other Australian states: Qld Vic. W.A. N.T.
Text by S. W. L. Jacobs
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.