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Wollastonia uniflora (Willd.) Orchard
Family Asteraceae
Wollastonia uniflora (Willd.) Orchard APNI*

Description: Straggling perennial herb, or scandent sub-shrub 0.5–1 m high; stems decumbent, rooting at nodes, sparsely appressed hairy.

Leaves ovate to lanceolate or elliptic, 2–12 cm long, 1.5–6.5 cm wide, serrate, rarely almost entire, acute to obtuse, grey-green to yellow-green; upper surface sparsely to moderately densely appressed-stigose; lower surface with dense erect or semi-appressed villous hairs; petiole 20–40 mm long.

Flower heads 1–3 sometimes 5, 2.0–2.5 cm daim. on peducles that are mainly 1–6 cm long, but sometimes up to 12 cm long; involucral bracts 5 mm long, densely appressed pilose. Ray florets 12–16; ligule shortly 2- or 3-lobed, yellow. Disc florets c. 50, yellow.

Achenes obovoid, 3- or 4-angled, 2.2–3.0 mm long, apically truncate, dark grey to balck, shortly and dnesely pilose apically, otherwise glabrous, with 1 usually oblique, rarely erect fragile awn or awn often absent.


Habit
Photo D. Mackay

Flower
Photo J. & P. Edwards

Distribution and occurrence: Far north Queensland including North West Island National Park, south down the east coast of Australia, includig Lord Howe Island to Milton on the south coast.
NSW subdivisions: NC, CC, LHI
Other Australian states: Qld
AVH map***

This is a very variable species, particularly in leaf size and shape.

Text by Louisa Murray
Taxon concept: Orchard, A.E. (2013) Flora of Australia Vol 37, pp 523-524.


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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