Goodenia macmillanii


Goodenia macmillanii, commonly known as pinnate goodenia, is a species of flowering plant in the family Goodeniaceae and is endemic to Victoria, Australia. It is an erect, short-lived perennial shrub with lyrate or lobed leaves, egg-shaped to elliptic in outline with toothed edges, and leafy racemes of bluish-purple flowers.

Description

Goodenia macmillanii is an erect, short-lived perennial shrub that typically grows to a height of. The leaves are lyrate or lobed, egg-shaped to elliptic in outline with toothed edges, long and wide on a petiole long. The flowers are arranged in leafy racemes up to long on a peduncle up to long, with linear bracteoles about long, each flower on a pedicel long. The sepals are lance-shaped, long, the petals bluish-purple long. The lower lobes of the corolla are long with wings wide. Flowering mainly occurs from November to February and the fruit is a cylindrical to oval capsule long.

Taxonomy

Goodenia macmillanii was first formally described by Victorian Government Botanist Ferdinand von Mueller in 1859 in Fragmenta Phytographiae Australiae, from specimens collected near the "McAllister River". The specific epithet honours Gippsland pioneer and explorer Angus McMillan.

Distribution and habitat

Pinnate goodenia grows on rocky slopes in the valleys of the Macalister, Snowy and Deddick Rivers.

Conservation status

The species is listed as "vulnerable" on the Department of Sustainability and Environment's Advisory List of Rare Or Threatened Plants In Victoria.

Use in horticulture

The species may be grown in shade or sun, and is somewhat drought tolerant though it performs best in moist situations. It can withstand light to moderate frosts and prefers a sandy loam although it may be grown in rocky or clay-based soils. It may also be grown as a container plant in standard potting mix. Plants may be propagated by division.