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Species profile—Dioclea hexandra

Classification

Plantae (plants) → Equisetopsida (land plants) → FabaceaeDioclea hexandra

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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Fabaceae
Scientific name
Dioclea hexandra (Ralph) Mabb.
WildNet taxon ID
8189
Alternate name(s)
bejuco de mato
Nature Conservation Act 1992 (NCA) status
Vulnerable
Back on Track (BoT) status
Medium
Conservation significant
Yes
Confidential
No
Endemicity
Native
Pest status
Nil
Description
Dioclea hexandra is a large canopy vine. It is a woody climber with a stems to 4 cm diameter. Young growth is covered in golden-brown hairs. Leaves are trifoliolate; leaflets are oblong-elliptic, c. 14 cm long, c. 11 cm wide, dark green above, paler below, densely hairy. Racemes are axillary, to 30 cm long, flowers purple to blue or pink, 20 cm long; standard with dark stripes and a yellow eye at base. Pods are oblong, indehiscent, c. 16 cm long, 6.5 cm wide, with 1-4 seeds, 2.5-3.5 cm long (Jones & Gray, 1988). The flowers are very sweetly scented. The seeds are black and shiny. (Jones & Gray 1988; Adema 1998; TSSC 2008).
Map
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Distribution
Dioclea hexandra is currently found around the Daintree (older records are from the Johnstone River and Etty Bay) in far northern Queensland. It also occurs in Papua New Guinea and Solomon Island. (Herbrecs 2008; TSSC 2008).
Distributional limits
-16.0818038, 145.251106
-18.0151277, 146.0844335
Range derivation
Range derived from extent of the taxon's verified records
Habitat
Dioclea hexandra grows in lowland rainforest, tropical rainforest and complex mesophyll rainforest on krasnozem soil, with granite rocks, along river and creek banks. (Herbrecs 2008; TSSC 2008).
Behaviour
Little is known on the ecology of the species. Dioclea hexandra is a drift seed species (Gunn & Dennis 1976).
Reproduction
Fruits September to November, the seed must be scarified to germinate (Jones & Gray 1988).
Notes
Contributors: Ailsa Holland 11/10/2009; Danielle Hansen 16/10/2009.
References
Adema, F. (1998). Notes on Malesian Fabaceae (Leguminosae-Papilonoideae) 3. The genera Dioclea, Luzonia, and Macropsychanthus. Blumea 43: 233-239.
Gunn, C.R. & Dennis, J.V. (1976). World Guide to Tropical Drift Seeds and Fruits. Quadrangle/The New York Times Book Co., New York.
Herbrecs (2008). Dioclea hexandra, in BriMapper version 2.12. Queensland Herbarium. Accessed 26/11/2008.
Jones, D.L. & Gray, B. (1988). Climbing plants in Australia. Reed Books Pty Ltd, Frenchs Forest.
Threatened Species Scientific Committee (2008). Commonwealth Conservation Advice on Dioclea hexandra. [Online]. Department of the Environment, Water, Heritage and the Arts, Canberra. Accessed 05/12/2008. http://www.environment.gov.au/biodiversity/threatened/species/pubs/64887-conservation-advice.pdf
Profile author
Danielle Hansen (16/10/2009)

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=8189

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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