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Species profile—Hydrocotyle dipleura

Classification

Plantae (plants) → Equisetopsida (land plants) → AraliaceaeHydrocotyle dipleura

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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Araliaceae
Scientific name
Hydrocotyle dipleura A.R.Bean
WildNet taxon ID
28797
Nature Conservation Act 1992 (NCA) status
Vulnerable
Back on Track (BoT) status
High
Conservation significant
Yes
Confidential
No
Endemicity
Native
Pest status
Nil
Short Notes
Status annotated by author
Description
Hydrocotyle dipleura is a perennial herb with horizontal, creeping stems and leaves occurring singly at each node. The leaves are circular to heart- or kidney-shaped, 2-8mm in radius, pale yellow-green coloured, hairless and with the margins entire or having 3-5 broad, shallow lobes. The leaf stalks are erect and 6-50mm long. Group of 6-9 greenish-white flowers are borne on stalks 3-17mm long. The individual petals are triangular and about 0.4mm long. Fruits comprise two laterally flattened mericarps, each 0.55-0.65 mm long, 0.45-0.6 mm wide, with lateral ribs in 2 pairs, prominent and dorsal ribs forming a narrow wing, the surface smooth.
Hydrocotyle dipleura is similar to H. peduncularis which, however, has inflorescences with 3-6 flowers, and mericarps with 1 pair of lateral ribs. (Bean & Henwood 2003)
Map
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Distribution
Hydrocotyle dipleura is endemic to western Queensland, found only near Aramac, Clermont and Eulo. (Bean & Henwood 2003; Herbrecs 2008)
Distributional limits
-22.0909473, 144.7387001
-28.25355, 146.2408511
Range derivation
Range derived from extent of the taxon's verified records
Habitat
Hydrocotyle dipleura has a highly specialised habitat. It grows on the flat dried-out margins of artesian springs in highly saline sands or clay soils. It has been recorded in low woodlands of Melaleuca bracteata. (Bean & Henwood 2003)
Reproduction
Hydrocotyle dipleura has been recorded with flowers and fruit in February, April and November. (Bean & Henwood 2003)
Notes
Contributors: Tony Bean, Mellisa Mayhew 19/06/2009
References
Bean, A.R. & Henwood, M.J. (2003). Six new species of Hydrocotyle L. (Apiaceae) from Queensland. Austrobaileya 6(3): 539.
Herbrecs (2008). Hydrocotyle dipleura, in BriMapper version 2.12. Queensland Herbarium. Accessed 03/10/2008.
Profile author
Tony Bean (19/06/2009)

Other resources

The Australasian Virtual Herbarium (AVH)
Atlas of Living Australia

Data source

This profile data is sourced from the QLD Wildlife Data API using the Get species by ID function used under CC-By 4.0
https://apps.des.qld.gov.au/species/?op=getspeciesbyid&taxonid=28797

This information is sourced from the WildNet database managed by the Queensland Department of Environment and Science.

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Licence
Creative Commons Attribution 4.0 International (CC BY 4.0)
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