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Myriophyllum salsugineum Orchard
Family Haloragaceae
Myriophyllum salsugineum Orchard APNI*

Description: Perennial aquatic herb; stems usually 1.5–2 mm diam., rooting mainly at the base.

Submerged leaves whorled; emergent leaves in whorls of 4 or 5, ovate, usually 5–8 mm long, 3–4 mm wide, entire or with a few short teeth towards apex, green to purplish.

Plants monoecious; male and female flowers on the same shoot, solitary in the axils. Male flowers sessile; sepals green, triangular; petals green, usually tinted reddish purple, 3–3.5 mm long. Female flowers sessile; sepals absent; petals vestigial, caducous; stigmas not fimbriate, ± inflated, dark red. Mericarps ovoid, usually 2–2.5 mm long, yellowish brown, rounded, smooth to minutely punctate.


Type
Specimen

Distribution and occurrence: in lakes and slowly flowing watercourses.
NSW subdivisions: ST
Other Australian states: Vic. Tas. W.A. S.A.
AVH map***

Text by Peter G. Wilson
Taxon concept: A.E. Orchard (1990)


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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