Ptilotus semilanatus (Lindl.) F.Muell. ex J.M.Black

Fl. South Australia, 2, 2: 327, 328 (1948)

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Perennial herb to c. 40 cm high, with annual stems arising from a much-branched, woody rootstock. Stems glabrous or glabrescent. Basal leaves narrowly oblanceolate, long-attenuate at base, the largest 20–6 mm long, 3–5(–7) mm wide, glabrous, with or without a terminal mucro to c. 0.5 mm long, margins sometimes undulate; stem leaves similar but smaller and relatively wider (to c. 8 mm). Spike erect, hemispherical or ovoid (rarely cylindrical), 10–30(–60) mm long, 30–40 mm diam., dense, pink to mauve; bract ovate, 4–6 mm long, with mucro 0.5–1 mm long; bracteoles broad-ovate, equal to bract; perianth 14–19 mm long; tepals united at base into a hardened cup c. 2 mm long, otherwise free, outer surface with long, silky hairs, overlying a denser layer of short barbed hairs that extend to the base (where slightly longer), inner surface glabrous except for a loose woolly tuft at base; fertile stamens 3; ovary supported on stipe as long as basal cup of perianth, sparsely pubescent at summit, style 9–12 mm long, eccentric to central. Flowers Oct.–Jan.

CVU, Gold, GGr, LoM, MuF, MuM, NIS, VRiv, Wim. Occasional on loamy or clayey soils in north and north-western Victoria, but rare in the Mallee proper, then mostly confined to heavier soils of dune swales.

Previously included as a variety or subspecies of Ptilotus exaltatus and plants of intermediate morphology exist.

Source: Walsh, N.G. (1996). Amaranthaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne (as Ptilotus exaltatus var. semilanatus (Lindl.) Maiden & Betche).
Updated by: Val Stajsic, 2019-11-20
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Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Ptilotus semilanatus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Ptilotus semilanatus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Victorian Riverina present native
Murray Fans present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Northern Inland Slopes present native