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Olearia phlogopappa (Labill.) DC.
Family Asteraceae
Common name: Dusty Daisy-bush

Olearia phlogopappa (Labill.) DC. APNI*

Description: Shrub to 1 m high.

Leaves alternate, scattered or crowded; lamina elliptic or obovate, 5–30 mm long, 2–9 mm wide; apex acute or rounded, without a mucro; margins entire or regularly toothed, flat; surfaces discolorous, upper surface glabrous or weakly stellate-hairy, lower surface grey-tomentose; venation finely reticulate; sessile or petiole to 3 mm long.

Heads terminal, solitary or clustered, pedunculate or sessile, 17–24 mm diam.; peduncle to 23 mm long. Ray florets 16–30, white. Disc florets 15–20, yellow.

Achenes silky or glandular; pappus with 44–65 long bristles in many series, with or without an outer row of short bristles.


Flower

Herbarium
Sheet

Flowering: November–March

Distribution and occurrence: This species occurs in a range of habitats, and is highly variable. Plants on the eastern coast tend to be soft-leaved, whereas those on the Great Dividing Range are generally thick-leaved. Leaves are variable in size and shape, from lanceolate to broad-ovate, and margins vary from subentire to strongly toothed.
NSW subdivisions: NT, CT, ST
Other Australian states: Vic. Tas.
AVH map***

This species is widespread and variable and comprises 9 subspecies; 3 subspecies in NSW. The key and descriptions are to come. Messina, A. et al (2013) A revision of Olearia section Asterotriche (Asteraceae: Asterae) Australian Systematic Botany, 2014, 27, 199–240.

Text by N. S. Lander; updated Louisa Murray Dec 2016
Taxon concept: Flora of NSW 3 (1992)

 Key to the subspecies 
1Leaves with glands2
2Leaves without glands3
2Leaves lanceolate to ovate; margins irregularly lobed, often with some sub-entire leaves; damp montane and foothill forest up to 1500 metres altitudesubsp. continentalis
2Leaves narrow-elliptic to obovate; margins entire or shallowly lobed; subalpine and alpine regionssubsp. flavescens
3Leaves and stems lacking glands; leaves obovate, margins serratesubsp. serrata
Leaves lacking glands; sub-entire, rarely crenate
                       Back to 2
subsp. flavescens

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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