Allocasuarina lehmanniana

Species of flowering plant
speciesbox
|image = Allocasuarina lehmanniana. jpg
|image caption = Branchlets and immature female cones of subsp. ecarinata
|genus = Allocasuarina
|species = lehmanniana
|authority = (Miq.) L. A. S. Johnson
|range map=AllocasuarinalehmannianaDistributionMap27. png
|range map caption=Occurrence data from AVH
|synonyms ref = is a species of flowering plant in the family Casuarinaceae and is endemic to near coastal areas of the south west of Western Australia. It is dioecious or less commonly a monoecious shrub that has its leaves reduced to scales in whorls of six to eight, the mature fruiting cones long containing winged seeds (samaras) long.

Allocasuarina lehmanniana is a dioecious, or less commonly a monoecious shrub that typically grows to a height of Its branchlets are up to long (depending on subspecies), the leaves reduced to scale like teeth long, arranged in whorls of six to eight around the branchlets. The sections of branchlet between the leaf whorls (the "articles") are mostly long and wide. Male flowers are arranged in spikes long, in whorls of five to eight per centimetre (per 0.39 in. ), the anthers long. Female cones are on a peduncle long, the mature cones long and in diameter containing black samaras long.

Allocasuarina lehmanniana grows in winter wet places in near coastal areas from Jurien Bay to near Albany and east to Ravensthorpe in the Avon Wheatbelt, Carnarvon, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain and Warren bioregions of south western Western Australia. Subspecies ecarinata occurs from near Ongerup to east of Esperance in the Esperance Plains and Mallee bioregions and subsp. lehmanniana between Jurien Bay to east of Albany in the Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain and Warren bioregions.

Both subspecies of A. lehmanniana are listed as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions.