Guichenotia macrantha Turcz. Large-flowered Guichenotia
Bull.Soc.Imp.Naturalistes Moscou 19 (2):500 (1846)

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

Brief Description
Grazyna Paczkowska, Thursday 26 September 1996

Erect, spindly or straggling shrub, 0.2-1.5 m high. Fl. blue-purple/pink, May to Sep. Sandy soils over granite or sandstone or limestone. Sandplains, lateritic breakaways, coastal cliffs, hills.


Beard’s Provinces: Eremaean Province, South-West Province.

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

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Geraldton Hills, Lesueur Sandplain, Northern Jarrah Forest, Perth, Southern Cross, Western Mallee.

IMCRA Regions: Central West Coast, Zuytdorp.

Local Government Areas (LGAs): Bruce Rock, Carnamah, Chapman Valley, Chittering, Coorow, Corrigin, Cunderdin, Dandaragan, Dowerin, Goomalling, Greater Geraldton, Irwin, Kellerberrin, Kulin, Lake Grace, Merredin, Mingenew, Moora, Mount Marshall, Mukinbudin, Northampton, Pingelly, Quairading, Tammin, Three Springs, Victoria Plains, Westonia, Wickepin, Wongan-Ballidu.

Scientific Description
C. Hollister and K.R. Thiele, Wednesday 15 January 2020

Shrub. Stems hairy. Leaves 20-80 mm long, 1.5-4 mm wide, not lobed; margins entire; indumentum present, with stellate hairs; stipules present and persistent to older leaves, 26-50 mm long. Perianth of two whorls but the corolla reduced to small scales or tiny lobes at the base of the ovary. Pedicel present, 6-14 mm long; indumentum present, with stellate hairs. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 8-13 mm long, the lobes free, indumentum present, stellate hairs present. Calyx pink, blue or purple, 15-27 mm long, the lobes fused less than half their length, stellate hairs present, number of ribs present, three. Corolla 1-1.2 mm long, glabrous. Stamens five, free and inserted at the base of the ovary; filaments present, 3-4.2 mm long; anthers 5-6 mm long. Ovary hairs or scales present, stellate hairs present; style 1, with a lobed or capitate stigma, 3-4.2 mm long, with one style branches or lobes, hairy for most of length. Flowering time May, June, July, August or September. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Coolgardie, Swan Coastal Plain, Avon Wheatbelt, Jarrah Forest or Mallee.