Boronia pinnata
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Boronia pinnata is a plant in the citrus family, Rutaceae, and is endemic to New South Wales. It is an erect, woody shrub with pinnate leaves and groups of between three and forty pink flowers arranged in leaf axils. It flowers in spring and early summer and is found in coastal areas between Ballina and Jervis Bay.
Description
Boronia pinnata is an erect, woody shrub that typically grows to a height of about Script error: No such module "convert". and is glabrous, apart from the flowers. The leaves are pinnate with up to thirteen narrow elliptic to narrow oblong leaflets. The entire leaf is Template:Cvt long and Template:Cvt wide in outline and the leaflets are mostly Template:Cvt long and Template:Cvt wide on a petiole Template:Cvt long. Between three and twenty, sometimes as many as forty flowers are arranged in groups in the leaf axils. The groups are on a peduncle Template:Cvt long, the individual flowers on a pedicel Template:Cvt long. The four sepals are triangular, Template:Cvt long and about Template:Cvt wide. The four petals are bright pink, Template:Cvt long with a few hairs on the back. The eight stamens have hairy edges. Flowering occurs from September to January and the fruit is a glabrous capsule Template:Cvt long.[1][2][3]
Taxonomy and naming
Boronia pinnata was first formally described in 1798 by James Edward Smith who published the description in his book ''Tracts relating to natural history.[4][5] The specific epithet (pinnata) is a Latin word meaning "feathered" or "plumed".[6] This was the only pinnate-leaved species of boronia described by Smith.[1]
Distribution and habitat
This boronia grows in dry forest and heath on sandstone in near-coastal areas between the Nowra district and Ballina.[2][3]
Use in horticulture
One of the easier boronias to grow in gardens, B. pinnata does best in a sheltered position with rocks aiding a shallow root run and it benefits from light pruning.[7]
References
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