Trachymene ochracea
{{Short description|Species of plant}}
{{Use dmy dates|date=July 2020}}
{{Speciesbox
| image = Trachymene ochracea P6120110.jpg
| genus = Trachymene
| species = ochracea
| authority = L.A.S.Johnson{{APNI2|id=75555|name=Trachymene ochracea}}{{cite journal|author=Johnson, L.A.S.|editor= Anderson, R.H. |date=1962|title= Taxonomic notes on Australian plants|journal= Contributions from the New South Wales National Herbarium |volume=3|issue=3|pages= 101}}
| range_map =
| range_map_caption = Occurrence data from AVH
| synonyms =
| synonyms_ref =
}}
Trachymene ochracea (common names white parsnip, wild parsnip, yellow parsnip) is a herb in the family Araliaceae. It is native to Australia and found in New South Wales and Queensland.
Description
Trachymene ochracea is an erect herb growing up to {{convert|75|cm|in|0}} 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.{{Cite web|last=Hart|first=J.M.|date=2002|title=PlantNET - FloraOnline: Trachymene ochracea|url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Trachymene~ochracea|archive-url=|archive-date=|access-date=2020-07-03|website=plantnet.rbgsyd.nsw.gov.au}}
Taxonomy
Trachymene ochracea was first described by Lawrence Alexander Sidney Johnson in 1962, from a specimen collected west of the Paroo River, in New South Wales, near Hungerford by J.L. Boorman in October 1912 ([https://avh.ala.org.au/occurrences/25a94133-383d-42ed-8291-578a945f1cd1 NSW 54006]).
Etymology
The species epithet, ochracea, is the Latin adjective, ochraceus,-a,-um which means "ovhre-yellow" or "yellowish-brown".{{Cite book|pages=455|author=Stearn, W.T.|edition=4|publisher=Timber Press|location=Oregon|isbn=9780881926279|title=Botanical Latin}}
Gallery
Trachymene ochracea P6130304.jpg|Fruit
Trachymene ochracea P6130315.jpg |leaves
Trachymene ochracea P6130311.jpg|plant
Trachymene ochracea P6130306.jpg|flower head
References
{{Reflist|refs=}}
External links
{{Commons}}
- [http://avh.ala.org.au/occurrences/search?taxa=Trachymene+ochracea#tab_mapView Trachymene ochracea occurrence data] from The Australasian Virtual Herbarium
{{Taxonbar|from=Q17137788}}
Category:Flora of New South Wales
Category:Plants described in 1962
Category:Taxa named by Lawrence Alexander Sidney Johnson
{{Araliaceae-stub}}