Isopogon ceratophyllus R.Br.

Horny Cone-bush

Trans. Linn. Soc. London 10: 72 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Prickly shrub, to c. 1 m high, 1.2 m diam.; branchlets red-brown, sparsely villous. Leaves pinnatisect, pungent-pointed, 3–9.2 cm long overall, flattened, glabrous to sparsely villous, lateral pinnae dichotomously or trichotomously divided; petiole 1.2–5.6 cm long. Inflorescence c. globular, mostly terminal, sessile, c. 1.5 cm diam.; involucral bracts glabrous, broadly-ovate to ovate; cone scales narrow-ovate to ovate, villous on the lower half outside. Flowers to c. 1.5 cm long, yellow, glabrous except for a tuft of hairs on the apex of each tepal; pollen presenter at base papillose, hardly swollen, constricted near midway then dilated into globular region, apical part glabrous, hardly swollen except for the apical stigma-bearing cup, c. 3 mm long. Cones c. globular, to c. 2.2 cm diam.; nuts villous, ovoid, tapered into a persisting style base, to c. 3 mm long. Flowers Jul.–Jan.

Brid, CVU, DunT, GipP, Glep, Gold, GGr, HSF, LoM, MuM, OtP, OtR, VVP, WaP, WPro, Wim. Also SA, Tas. (Bass Strait islands). In Victoria chiefly in south-west but extending as far east as Wilsons Promontory. Common on sand or sandy soils, in heathy low open-forest and woodland, or in treeless heaths.

Plants may regenerate after fire from a woody lignotuber.

Source: Foreman, D.B. (1996). Isopogon. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Proteanae
order Proteales
family Proteaceae
genus Isopogon
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Isopogon ceratophyllus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Isopogon ceratophyllus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Bridgewater present native
Victorian Volcanic Plain present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Otway Ranges present native

State distribution

Distribution map
Western Australia
South Australia
New South Wales