Erect or ascending annual or perennial, herb, 0.15-1.5 m high. Fl. green-white-yellow-brown, Apr to Nov or Jan. Red soils, sand, sandstone. Stony hills, plateaus.
Beard’s Provinces: Eremaean Province, Northern Province, South-West Province.
IBRA Regions: Avon Wheatbelt, Carnarvon, Central Kimberley, Central Ranges, Coolgardie, Dampierland, Esperance Plains, Gascoyne, Geraldton Sandplains, Gibson Desert, Great Sandy Desert, Great Victoria Desert, Jarrah Forest, Little Sandy Desert, Mallee, Murchison, Northern Kimberley, Nullarbor, Ord Victoria Plain, Pilbara, Swan Coastal Plain, Tanami, Victoria Bonaparte, Yalgoo.
IBRA Subregions: Augustus, Avon Wheatbelt P1, Avon Wheatbelt P2, Cape Range, Central, Chichester, Dandaragan Plateau, Eastern Goldfield, Eastern Murchison, Eastern, Maralinga, Edel, Fitzgerald, Fitzroy Trough, Fortescue, Geraldton Hills, Hamersley, Hart, Lateritic Plain, Lesueur Sandplain, Mackay, Mann-Musgrave Block, McLarty, Mitchell, Mount Eliza, Northern band, Carlisle, Northern Jarrah Forest, Ord, Ord-Victoria Plains P1, Perth, Pindanland, Roebourne, Rudall, Shield, South Kimberley Interzone, Southern Cross, Southern Jarrah Forest, Tallering, Tanami P1, Trainor, Victoria Bonaparte P1, Western Mallee, Western Murchison, Wooramel.
IMCRA Regions: Canning, Central West Coast, Leeuwin-Naturaliste, Ningaloo, Pilbara (nearshore), Shark Bay.
Local Government Areas (LGAs): Ashburton, Beverley, Brookton, Broome, Bruce Rock, Capel, Carnamah, Carnarvon, Chapman Valley, Cockburn, Coorow, Corrigin, Cottesloe, Cue, Cunderdin, Dalwallinu, Dandaragan, Derby-West Kimberley, Donnybrook-Balingup, Dowerin, Dumbleyung, East Pilbara, Exmouth, Gingin, Gnowangerup, Goomalling, Gosnells, Greater Geraldton, Halls Creek, Irwin, Kalgoorlie-Boulder, Karratha, Kellerberrin, Kent, Kondinin, Koorda, Kulin, Kwinana, Lake Grace, Laverton, Leonora, Meekatharra, Melville, Menzies, Merredin, Moora, Mosman Park, Mount Marshall, Mundaring, Murchison, Narembeen, Narrogin, Nedlands, Ngaanyatjarraku, Northam, Northampton, Nungarin, Perenjori, Perth, Pingelly, Port Hedland, Quairading, Ravensthorpe, Rockingham, Sandstone, Serpentine-Jarrahdale, Shark Bay, Swan, Tammin, Toodyay, Trayning, Upper Gascoyne, Victoria Plains, Wagin, Wanneroo, Westonia, Wickepin, Wiluna, Wongan-Ballidu, Wyalkatchem, Wyndham-East Kimberley, Yalgoo, Yilgarn, York.
Erect, annual or short-lived perennial herbs, to 1 m high. Stems ribbed, sparsely to densely hairy with crisped, nodose or verticillate hairs. Cauline leaves alternate, oblanceolate, 10–80 mm long, 3–12 mm wide, sparsely or densely hairy with crisped, nodose or verticillate hairs, margins undulate. Inflorescences terminal, green, sometimes fading red, cylindrical, 20–210 mm long, 18–34 mm wide; bracts ovate to narrowly ovate, translucent or slightly straw coloured toward mid rib, 3.1–7.1 mm long, sparsely hairy with verticillate hairs, glabrescent; bracteoles broadly ovate, translucent, 3–5.6 mm long, glabrous or with scattered hairs. Flowers pedicellate; pedicels squat, 0.2–1.3 mm long with prominent disc at apex; outer tepals green, linear, concave, 9–17 mm long, densely hairy at base becoming sparse towards apex with long, silky, nodose hairs to 4 mm long, apex entire, rounded, slightly hooded, glabrous; inner tepals 9−17 mm long; staminal cup oblique, 0.9-1.5 mm long, glabrous; fertile stamens 4; staminodes 1; style sigmoid, centrally fixed to ovary, 7–14 mm long, glabrous or sparsely hairy towards base; ovary obovoid, gibbous, glabrous or sparsely hairy. Seed slightly dull, brown, to 2.3 mm long.
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