This native shrub is commonly known as slender wattle.
Acacia leptostachya is described as a "higher dicot" in the Leguminosae (Caesalpinioideae, mimosoid clade) family.
In the Queensland Nature Conservation Act it is classified as Least Concern. Under the Federal Environment Protection Biodiversity Conservation Act it is not classified.
Single record for Fraser Coast region at Maryborough from 1974.
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.
Reported at 0 Fraser Coast localities: .
Fraser Coast distribution based on unverified field reports.