This native tree is commonly known as early flowering black wattle.
Reported at 76 Fraser Coast localities: Aldershot, Antigua, Aramara, Bauple, Bauple Forest, Beaver Rock, Beelbi Creek, Bidwill, Boompa, Boonooroo Plains, Booral, Brooweena, Burgowan, Burrum Heads, Burrum River, Burrum Town, Cherwell, Craignish, Doongul, Duckinwilla, Dundathu, Dundowran, Dundowran Beach, Dunmora, Eli Waters, Fraser Island, Gigoomgan, Glenbar, Glenorchy, Glenwood, Granville, Great Sandy Strait, Gundiah, Howard, Island Plantation, Kanigan, Kawungan, Magnolia, Malarga, Maryborough, Mount Urah, Mungar, Nikenbah, Owanyilla, Pacific Haven, Paterson, Pialba, Point Vernon, Poona, Prawle, River Heads, Scarness, St Mary, Sunshine Acres, Susan River, Takura, Talegalla Weir, Tandora, Teddington, Tiaro, Tinana, Tinana South, Tinnanbar, Toogoom, Torquay, Tuan, Tuan Forest, Urangan, Urraween, Walkers Point, Walliebum, Walligan, Wondunna, Woocoo, Yengarie, Yerra.
It has been recorded in the Wide Bay district in the Queensland Herbarium Census and is listed as occurring in the Fraser Coast region in Queensland Herbarium Wildlife Online.
In the Queensland Nature Conservation Act this taxon is classified as Least Concern.
Under the Federal Environment Protection Biodiversity Conservation Act it is not classified.
Acacia leiocalyx subsp. leiocalyx is described as a "higher dicot" in the Leguminosae (Caesalpinioideae, mimosoid clade) family.
See Acacia leiocalyx subsp. herveyensis. One of the two most common wattles in the region along with Acacia disparrima subsp. disparrima, but not as long lived.
Fraser Coast distribution based on unverified field reports.