Pluchea dunlopii Hunger APNI* Synonyms: Pluchea tetranthera sensu Porteners, M.F. in Harden, G.J.(ed.) (1992), Pluchea. Flora of New South Wales 3: 202 APNI*
Description: Woody shrub to 1 m high. Bisexual.
Leaves sessile, obovate, 9–32 mm long, 4–16 mm wide, denticualte to dentate, acute or obtuse, with moderate to dense non-glandular hairs, resinous; sessile glands transparent.
Flower heads solitary, narrow campanulate to cylindrical, 5.5–7.5 mm long; peduncles 0–5 mm long; outer involucral bracts pilose and densely glandular, resinous, with margin slightly frimbricate; inner bracts linear to lanceolate, 5–6 mm long, 0.3–0.6 mm wide, acute, glabrous on outer surface, with upper margins entire. Disc florets 3–8, pink, lobes 4.
Fertile achenes produced only by marginal florets, ellipoid; pappus bristles of marginal florets 20–25.
Flowering: Flowers and fruits August to November.
Distribution and occurrence: Widespread in low rainfall parts of Australia, from Carnarvon, Western Australia to Rockhampton in Queensland, coming into the north far western plains of New South Wales. Grows in a wide variety of habitats including stony gullies, sandplain, clay plains and laterite plateaux.
NSW subdivisions: NFWP
Other Australian states: N.T.
The name P. tetranthera has been misapplied against this species in NSW. The P. tetranthera complex includes 3 species (P. tetranthera, P. dunlopii and P. ferdinandi-muelleri, of which only P. dunlopii occurs in NSW. (Hunger, S.: The Pluchea tetranthera complex (Compositae, Plucheeae) from Australia. − Willdenowia 26: 273−282. 1996). Note added by K.L. Gibbons, 15 Feb 2021.
Text by Louisa Murray
Taxon concept: Bean.A.R. (2015) Flora of Australia, Volume 37, Asteraceae 1, p 415.
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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