Isopogon sphaerocephalus Lindl. Drumstick Isopogon
Sketch Veg.Swan R. 34 (1840)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Tuesday 22 August 1995

Erect, spreading, lignotuberous shrub, 0.5-1.5(-2) m high. Fl. cream & yellow, Jul to Dec or Jan. Laterite, sandy, often gravelly soils.


Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain, Warren.

IBRA Subregions: Avon Wheatbelt P2, Lesueur Sandplain, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.

Local Government Areas (LGAs): Albany, Armadale, Augusta-Margaret River, Beverley, Busselton, Capel, Dandaragan, Dardanup, Denmark, Donnybrook-Balingup, Gosnells, Harvey, Kalamunda, Manjimup, Mundaring, Murray, Nannup, Narrogin, Perth, Plantagenet, Serpentine-Jarrahdale, Swan.

Scientific Description
Chris Hollister, Nicholas Lander and Kevin Thiele, Friday 20 July 2018

Shrubs, 1-2 m high; branchlets hairy, with straight hairs. Leaves alternate, 40-100 mm mm long, 5-17 mm mm wide, hairy; lamina flat, widest around the middle or clearly widest above the middle, entire. Inflorescences not viscid, cream or yellow. Perianth 12-17 mm long, hairy, the limb apex hairy all over; pistil 12-17 mm long; pollen presenter not fusiform, hairy, 3.5-4 mm long, the brush 2.5-3.8 mm long. Cone with deciduous scales, 20-30 mm long. Flowers in January, July, August, September, October, November or December. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS), Swan Coastal Plain (SWA), Avon Wheatbelt (AW), Jarrah Forest (JF) or Warren (WAR) IBRA subregion(s).