Haegi, Telopea 2:178 (1981).
Synonymy: Newcastelia dixonii F. Muell. & Tate, Trans. R. Soc. S. Aust. 10:81 (1888); Anthotroche blackii sensu H. Eichler, Suppl. 273 (1965), partly, non F. Muell.
Common name: None
Erect, spreading or sprawling greyish shrub 0.3-2 m tall and 0.8-3 m (rarely to 5 m) diam., very densely woolly-tomentose with much-branched hairs; leaves loosely appressed or distally inclined, overlapping and partly obscuring the axis, subsessile or with a petiole to 1.5 mm (rarely to 3 mm) long, broadly ovate-triangular to subcordate, 6-20 x 4-17 mm, usually with a flat, sometimes undulate, margin.
Flowers in cymose clusters, usually aggregated into leafy spikes; pedicel 0.2-0.8 mm long, glabrous; calyx 3.3-5 mm long, the lobes 1-2.5 mm (rarely to 3 mm) long; corolla 7.5-12.5 mm long, dull-white with purple striations in the throat, pubescent outside generally and inside at the filament bases with branched hairs; corolla lobes ovate to elliptic, 3-7.5 x 2-4 mm.
Capsule globose, 3.5-5 mm diam.; seeds brown, 2.-5-3.5 mm long.
||Flowering branch and flower with calyx and corolla removed. Grammosolen dixonii
Image source: fig. 564A in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
Purdie et al. (1981) Flora of Australia 29:fig. 9.
Calcareous pale-red sandy soils in mallee, frequently with Triodia; especially on disturbed or burnt elevated sites. Mechanical damage or burning may stimulate production of suckers from the stem base.
S.Aust.: EP, NL, MU, YP.
Flowering time: most of the year though principally Aug. — Jan.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Putative hybrids with Cyphanthera myosotidea (F. Muell.)Haegi have been found near Waikerie and plants thought to be hybrids with Duboisia hopwoodii (F. Muell.)F. Muell. near Berri and Renmark.
Not yet available