''Trachymene ochracea'' (common names white parsnip, wild parsnip, yellow parsnip) is a herb in the family

Araliaceae The Araliaceae are a family of flowering plants composed of about 43 genera and around 1500 species consisting of primarily woody plants and some herbaceous plants. The morphology of Araliaceae varies widely, but it is predominantly distinguish ...

. It is native to Australia and found in

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

and

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , establishe ...

Description

''Trachymene ochracea'' is an erect herb growing up to high. The leaves are consist of 3-5 deeply dissected lobes on stalks (petioles) up to 10 cm long. The inflorescences are umbels borne on dichasial cymes. The umbels have 30 to 60 flowers, are from 7 mm to 18 mm in diameter on stalks (peduncles) which are 3 to 8 cm long and are glandular-hairy near the stalk base. The flowers are bisexual, with white petals (pink in bud). The ovary has two locules. The plant is prolific after rain, growing in mulga and mallee communities on red earths and on sand.

Taxonomy

''Trachymene ochracea'' was first described by

Lawrence Alexander Sidney Johnson Lawrence Alexander Sidney Johnson FAA, (26 June 1925 – 1 August 1997) known as Lawrie Johnson, was an Australian taxonomic botanist. He worked at the Royal Botanic Gardens, Sydney, for the whole of his professional career, as a botanist (19 ...

in 1962, from a specimen collected west of the

Paroo River The Paroo River, a series of waterholes, connected in wet weather as a running stream of the Darling catchment within the Murray–Darling basin, is located in the South West region of Queensland and Far West region of New South Wales, Austra ...

, in New South Wales, near

Hungerford Hungerford is a historic market town and civil parish in Berkshire, England, west of Newbury, east of Marlborough, northeast of Salisbury and 60 miles (97 km) west of London. The Kennet and Avon Canal passes through the town alongside the ...

by J.L. Boorman in October 1912
NSW 54006
.

Etymology

The species epithet, ''ochracea'', is the Latin adjective, ''ochraceus'',''-a'',''-um'' which means "ovhre-yellow" or "yellowish-brown".

Gallery

Trachymene ochracea P6130304.jpg, Fruit Trachymene ochracea P6130315.jpg , leaves Trachymene ochracea P6130311.jpg, plant Trachymene ochracea P6130306.jpg, flower head

References

External links

''Trachymene ochracea'' occurrence data
from The

Australasian Virtual Herbarium The ''Australasian Virtual Herbarium'' (AVH) is an online resource that allows access to plant specimen data held by various Australian and New Zealand herbaria. It is part of the Atlas of Living Australia (ALA), and was formed by the amalgama ...

ochracea Flora of Queensland Flora of New South Wales Plants described in 1962 Taxa named by Lawrence Alexander Sidney Johnson {{Araliaceae-stub