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Althenia preissii (Lehm.) F.Muell.
Family Potamogetonaceae
Althenia preissii (Lehm.) F.Muell. APNI*

Synonyms: Lepilaena preissii (Lehm.) F.Muell. APNI*

Description: Monecious aquatic herb.

Leaves not tapering distally; auricles 1.5–2 mm long; leaf margin entire; apex acute or acuminate.

Female flowers with pedicel 0.5–1(-1.5) mm long, not projecting beyond leaf-sheath; stigmas narrow, obliquely funnel-shaped, c. 0.2 mm long, margin irregular. Male flowers with scales 3-lobed; anther mass 6-locular; pedicel 3–5 mm long at anthesis.

Fruits smooth, 2–2.5 mm long (excluding style); fruiting pedicel not extended, so fruit usually enclosed by leaf-sheath.


Illustration
L.Elkan

Flowering: Flowers Sep.–February(-April)

Distribution and occurrence: Known from South Coast and North Far Western Plains; also Vic., Tas., SA. and WA.

Grows in shallow ephemeral saline lakes and brackish water.
NSW subdivisions: SC, NFWP
AVH map***

Text by B.J. Conn (1994)
Taxon concept: B.J. Conn (1994)


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.
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