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Rhodanthe diffusa (A.Cunn. ex DC.) Paul G.Wilson
Family Asteraceae
Rhodanthe diffusa (A.Cunn. ex DC.) Paul G.Wilson APNI*

Description: Ascending to erect annual branching at base, 20–30 cm high; stems simple, sparsely woolly at apex.

Leaves linear to narrow-oblong, 5–10 mm long, 1–3 mm wide, apex mucronate, surfaces sparsely and minutely hispid with crinkly white hairs, sparsely gland-dotted.

Heads solitary and terminal, 5–10 mm diam. (excluding rays), involucre spreading from base, radiant, glabrous; outer involucral bracts pale brown, inner with an elliptic white or yellow lamina c. 7 mm long. Florets numerous. Corollas 2–3 mm long.

Achenes narrow-cylindrical, c. 2 mm long, silky pilose; pappus bristles equal to corolla, persistent.


Flowering: spring.

Distribution and occurrence: Grows in mallee, woodland and sclerophyll forest on red-brown soils and clay; from the Western Slopes west to the Darling R.
NSW subdivisions: NWS, CWS, SWS, NWP, SWP
Other Australian states: Qld
AVH map***

Text by Paul G. Wilson
Taxon concept:

 Key to the subspecies 
1Involucral bracts yellowsubsp. diffusa
Involucral bracts whitesubsp. leucactina

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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