Erect to sprawling, pungent, ?lignotuberous shrub, 0.4-1.5(-3) m high. Fl. white-cream/yellow/pink, May to Sep. White, grey or yellow sand, sandy loam, granitic soils, laterite.
Beard’s Provinces: South-West Province.
IBRA Regions: Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Dandaragan Plateau, Eastern Mallee, Fitzgerald, Geraldton Hills, Lesueur Sandplain, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions: Central West Coast, Leeuwin-Naturaliste.
Local Government Areas (LGAs): Albany, Armadale, Augusta-Margaret River, Belmont, Beverley, Boddington, Boyup Brook, Bridgetown-Greenbushes, Brookton, Broomehill-Tambellup, Bruce Rock, Busselton, Capel, Carnamah, Chapman Valley, Chittering, Collie, Coorow, Corrigin, Cranbrook, Cuballing, Cunderdin, Dandaragan, Dardanup, Donnybrook-Balingup, Dowerin, Dumbleyung, Esperance, Gingin, Gnowangerup, Goomalling, Gosnells, Greater Geraldton, Harvey, Irwin, Jerramungup, Joondalup, Kalamunda, Katanning, Kellerberrin, Kent, Kojonup, Kondinin, Kulin, Lake Grace, Mandurah, Manjimup, Merredin, Mingenew, Moora, Mundaring, Murray, Nannup, Narrogin, Northam, Northampton, Perth, Pingelly, Plantagenet, Quairading, Ravensthorpe, Serpentine-Jarrahdale, Shark Bay, Swan, Three Springs, Toodyay, Victoria Plains, Wagin, Wandering, Wanneroo, Waroona, West Arthur, Wickepin, Williams, Wongan-Ballidu, Woodanilling, Wyalkatchem, York.
Common Name(s). Duck and Drake Hakea.
Habit and leaf form. Shrubs, 1–3 m high. Leaves alternate, leaves 20–30(–40) mm long overall. Leaf blade 20–30(–40) mm long, dissected; much-divided, or spinose; indumentum absent.
Inflorescence and floral features. Inflorescence axillary or terminal, racemose. Flowers pedicellate, white, cream, and yellow. Pedicel 6–9 mm long. Perianth (perigone) 2.5–4 mm long. Pistil 3–5.5 mm long. Pollen presenter conical.
Fruit and seed features. Fruit 15–25 mm long, 7–14 mm wide; corky tetrahedral projections absent; red-brown and pale wood zones absent. Seed 9–20 mm long; wing discontinuous, marginal, extending down one lateral side only.
Distribution. Western Australia. IBRA Bioregions SW: GS, SWA, AW, JF, WAR, MAL, and ESP.
Habitat. Amongst medium trees, or low trees; occurring on outcrops; in gravelly soil, or sand, or loam, or clay; occupying watercourses.
Flowering Time. May to September.
Etymology. Lissocarpha (Gr.): lisso – smooth + carpha – dry; probably referring to the fruit of this species.
Descriptions were generated using DELTA format and DELTA software: Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993 onwards, 1995 onwards, 1998)
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