| Acacia calantha | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Clade: | Mimosoideae |
| Genus: | Acacia |
| Species: | A. calantha |
| Binomial name | |
| Acacia calantha | |
 | |
| Occurrence data from AVH | |
Acacia calantha is a shrub belonging to the genus Acacia and the subgenus Phyllodineae native to Queensland in Australia.
The dense glabrous shrub typically grows to a height of 1 to 3 metres (3 to 10 ft). [1] It has slender, glabrous yellowish brown to grey branchlets with green to grey green phyllodes. The erect and filiform phyllodes have a length of 7 to 15 cm (2.8 to 5.9 in) and a width of around 1 mm (0.039 in). They have a prominent midrib which becomes angled with three ot four distinct longitudinal ridges when dry. The simple inflorescences appear in the axil nodes as single spherical flower-heads containing around 30 bright golden flowers. The seed pods that form after flowering have a narrowly oblong shape and have a length of up to about 6 cm (2.4 in) and a width of 5 to 6 mm (0.20 to 0.24 in). The dark brown to black seeds within have an oblong to elliptic shape with a length of 3 to 4 mm (0.12 to 0.16 in). [2]
The species was first formally described by the botanist Leslie Pedley in 1979 in the work A revision of Acacia Mill. in Queensland as published in the journal Austrobaileya . Pedley then reclassified the shrub in 1987 as Racosperma calanthum but it was transferred back to the current name in 2001. [3]
The shrub is native to an area around Cracow in south eastern Queensland in the Dawson River catchment. [1] It is found on the lower slopes of steep sandstone hills and ridges growing in sandy to sandy-clay soils as a pat of dry sclerophyll forest communities as is often associated with species including Corymbia maculata , Corymbia trachyphloia , Eucalyptus crebra , Eucalyptus cloeziana , Eucalyptus citriodora , Corymbia tessellaris , Angophora leiocarpa , Lysicarpus angustifolius , Acacia podalyriifolia and Acacia crassa . [2]
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