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Muehlenbeckia tuggeranong Mallinson
Family Polygonaceae
Muehlenbeckia tuggeranong Mallinson APNI*

Description: Mostly dioecious shrub, sprawling, becoming a loosely tangled wiry mass to 1 m high, 1–2 m wide; stems wiry, brown, weakly striate.

Leaves well-spaced along stems, lamina ± oblong to elliptic or narrow oblong-obovate, often with the base expanded on one or both sides so subpanduriform, 5–13 mm long, 2–4 mm wide, not glaucous; petiole 0.5–3 mm long.

Flowers 3–9 in a lax terminal spike (rarely axillary), 4–5 mm diam., cream with greenish tinges.

Achene trigonous, c. 2.5 mm long; surface colliculate to ± smooth.


Habit
Photo Karen L Wilson

Flower
Photo Karen L Wilson

Distribution and occurrence: Known only from a few plants beside the Murrumbidgee R., near Tuggeranong, A.C.T., but could be found along the river in NSW. Leaves commonly attacked by a gall-forming insect.

Flood terraces.
NSW subdivisions: ST

Threatened species: Commonwealth EPBC: Endangered
AVH map***

Text by K.L. Wilson (1999; edited Sept 2006; Feb 2009; Aug 2012)
Taxon concept: Flora of NSW 1 Suppl. (1999)


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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