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.
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.
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|| |
|1||Leaves with glands||2|
|2||Leaves without glands||3|
|2||Leaves lanceolate to ovate; margins irregularly lobed, often with some sub-entire leaves; damp montane and foothill forest up to 1500 metres altitude||subsp. continentalis|
|2||Leaves narrow-elliptic to obovate; margins entire or shallowly lobed; subalpine and alpine regions||subsp. flavescens|
|3||Leaves and stems lacking glands; leaves obovate, margins serrate||subsp. serrata|
|Leaves lacking glands; sub-entire, rarely crenate|
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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.