Global invasive species database

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  • Dipogon lignosus flowers (Photo: Peter Swart http://www.plantweb.co.za)
  • Dipogon lignosus flower (Photo: Peter Swart http://www.plantweb.co.za)
  • Dipogon lignosus flowers (Photo: Peter Swart http://www.plantweb.co.za)
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Common name
mile-a-minute (English), purple dolichos (English), chookhouse vine (English), dunny creeper (English), lavatory creeper (English), okie bean (English), dolichos pea (English), Australian pea (English)
Synonym
Dolichos capensis , Thunb.
Dolichos gibbosus , Thunb.
Dolichos lignosus , L.
Verdcourtia lignosa , (L.) R. Wilczek
Similar species
Summary
Dipogon lignosus is a climbing vine that has become invasive in the Australian-Pacific region. It vigorously seeds and its growth is relentless. In a short time period this species can smother indigenous vegetation. It climbs over shrubs and trees weighing them down and eventually causing them to break. D. lignosus will also spread horizontally over the ground, smothering native groundcover plants. As a nitrogen fixer, D. lignosus can increase soil fertility, paving the way for other weeds to invade.
Species Description
The Victoria DNR (2001) reports that, \"Dipogon lignosus is a perennial climbing vine with slender , twining stems that become rope-like with age. This species can climb up to 4m. Leaves are long stalked, smooth, and green above and pale below. Each leaf consists of 3 tapering leaflets (3-9cm ×=1- 7cm). Pods are narrow, sickle shaped. Flowers are borne on clusters of pea-like blooms white, pale mauve to purple, are borne on stalks (5cm long) with ovate, black seeds, (up to 4.5mm long).\"

PIER (2005) describes D. lignosus as a: \"Woody climber. Leaves stipulate; blades stipellate, pinnately 3-foliolate. Flowers in axillary racemes, bracts persistent, bracteoles more or less persistent; calyx campanulate; vexillary stamen free, remainder connate, anthers uniform; style cylindrical, dilated at base, strongly curved inwards at top and bottom, gently curved the opposite way in the middle, bearded on inside near top, stigma terminal. Pods cylindrical, attenuate at the ends; seeds estrophiolate but with a conspicuous white hilum. Petioles up to ca 6cm long; leaflet blades ovate-rhomboid, apex obtusely acuminate or acute, 3-10cm x 1.5-4cm (the largest leaflets occurring in cultivated specimens), more or less glabrous, paler on underside. Racemes up to ca 25cm long, including peduncle, the flowers at the upper end; flowers pink-purple, 1-1.5cm long; calyx 3-4mm long, lobes shorter than tube, margin hairy; standard 1-1.5cm long. Pods ca 4cm long, glabrous (Stanley & Ross, 1983, in PIER, 2005).\"

Habitat Description
The Eurobodalla Shire Council (2004) states that D. lignosus can be found along forest edges, usually close to towns or old farms.
Reproduction
The Eurobodalla Shire Council (2004) states that, \"Seed is explosively ejected from pods over several metres, or spread further in dumped garden refuse or contaminated soil. Seed is viable for many years, and germination can be stimulated by disturbance or fire.\"
Pathway
It was introduced as a garden plant and is still available in nurseries (Victoria DNR, 2001).

Principal source: Victoria DNR, 2001. Dolichos Pea

Compiler: National Biological Information Infrastructure (NBII) & IUCN/SSC Invasive Species Specialist Group (ISSG) with support from the Terrestrial and Freshwater Biodiversity Information System (TFBIS) Programme (Copyright statement)

Review: Dr Robin Adair Department of Primary Industries, Primary Industries Research Victoria Australia

Publication date: 2005-12-30

Recommended citation: Global Invasive Species Database (2016) Species profile: Dipogon lignosus. Downloaded from http://www.iucngisd.org/gisd/species.php?sc=804 on 10-12-2016.

General Impacts
The Victoria DNR (2001) states that, \"D. lignosus is an invasive plant and a very serious threat to indigenous vegetation. It seeds readily, is a vigorous climber and will smother indigenous vegetation..\" \"D. lignosus climbs over shrubs and trees, smothering and breaking them down. It also spreads over the ground, smothering native groundcover plants. As a nitrogen fixer, D. lignosus can increase soil fertility, paving the way for other weeds to invade\" (Eurobodalla Shire Council, 2004).
Management Info
The Victoria DNR (2001) states that the best plan of attack is to begin remove small and scattered plants first and then target outer edges of larger infestations. It is best to best to remove plants before they seed. Small Plants can be hand pulled or dug out. One should carefully remove all roots, and minimize soil disturbance. Young seedlings can be sprayed with a suitable herbicide if appropriate. For larger infestations, the authors suggest cutting climbing stems from roots with secateurs. Then proceed to dig out root stumps. Alternatively, one can paint cut stumps of large plants with suitable herbicide immediately after cutting. Hand pull or dig out trailing vines, carefully removing all roots and minimizing soil disturbance. Sites need to be monitored regularly for regrowth and new seedlings, which can be easily hand pulled or dug out. Seed stored in soil is substantially reduced by fire. Mature plants are fire sensitive. The Eurobodalla Shire Council (2004) states that, \"A hot fire could be used to kill mature plants and stimulate the germination of seedlings, which can then be sprayed or pulled.\"
Countries (or multi-country features) with distribution records for Dipogon lignosus
NATIVE RANGE
Informations on Dipogon lignosus has been recorded for the following locations. Click on the name for additional informations.
Lorem Ipsum
Location Status Invasiveness Occurrence Source
Details of Dipogon lignosus in information
Status
Invasiveness
Arrival date
Occurrence
Source
Introduction
Species notes for this location
Location note
Management notes for this location
Impact
Mechanism:
Outcome:
Ecosystem services:
Impact information
The Victoria DNR (2001) states that, \"D. lignosus is an invasive plant and a very serious threat to indigenous vegetation. It seeds readily, is a vigorous climber and will smother indigenous vegetation..\" \"D. lignosus climbs over shrubs and trees, smothering and breaking them down. It also spreads over the ground, smothering native groundcover plants. As a nitrogen fixer, D. lignosus can increase soil fertility, paving the way for other weeds to invade\" (Eurobodalla Shire Council, 2004).
Red List assessed species 0:
Locations
AUSTRALIA
Mechanism
[1] Competition
Outcomes
[1] Environmental Ecosystem - Habitat
  • [1] Reduction in native biodiversity
Management information
The Victoria DNR (2001) states that the best plan of attack is to begin remove small and scattered plants first and then target outer edges of larger infestations. It is best to best to remove plants before they seed. Small Plants can be hand pulled or dug out. One should carefully remove all roots, and minimize soil disturbance. Young seedlings can be sprayed with a suitable herbicide if appropriate. For larger infestations, the authors suggest cutting climbing stems from roots with secateurs. Then proceed to dig out root stumps. Alternatively, one can paint cut stumps of large plants with suitable herbicide immediately after cutting. Hand pull or dig out trailing vines, carefully removing all roots and minimizing soil disturbance. Sites need to be monitored regularly for regrowth and new seedlings, which can be easily hand pulled or dug out. Seed stored in soil is substantially reduced by fire. Mature plants are fire sensitive. The Eurobodalla Shire Council (2004) states that, \"A hot fire could be used to kill mature plants and stimulate the germination of seedlings, which can then be sprayed or pulled.\"
Bibliography
12 references found for Dipogon lignosus

Managment information
Eurobodalla Shire Council. 2004. Dolichos pea (Dipogon lignosus).
Summary: Available from: http://www.esc.nsw.gov.au/Weeds/Sheets/vines/V%20Dolichos%20pea.htm [Accessed 15 June 2005]
National Pest Plant Accord, 2001. Biosecurity New Zealand.
Summary: The National Pest Plant Accord is a cooperative agreement between regional councils and government departments with biosecurity responsibilities. Under the accord, regional councils will undertake surveillance to prevent the commercial sale and/or distribution of an agreed list of pest plants.
Available from: http://www.biosecurity.govt.nz/pests-diseases/plants/accord.htm [Accessed 11 August 2005]
Royal New Zealand Institute of Horticulture (RNZIH), 2005. Mile-a-minute Dipogon lignosus
Summary: Available from: http://www.rnzih.org.nz/pages/nppa_061.pdf [Accessed 1 October 2005]
Victoria DNR (Department of Natural Resources and Environment), 2001. Dolichos Pea Coastal Notes: Coast Action/ Coastcare : CW0003 ISSN 1440-2297.
General information
Atkinson, A. E. 1997. Problem weeds on New Zealand islands. New Zealand Department of Conservation.
Heyligers, P. C., and L. G. Adams. 2004. Flora and vegetation of Montagu Island - past and present . Cunninghamia. 2004; 8(3): 285-305.
ILDIS (International Legume Database & Information Service). 2001. Dipogon lignosus (L.) Verdc.
Summary: Available from: http://www.ildis.org/LegumeWeb/6.00/taxa/1628.shtml [Accessed 15 June 2005]
ITIS (Integrated Taxonomic Information System). 2005. Online Database Dipogon lignosus
Summary: An online database that provides taxonomic information, common names, synonyms and geographical jurisdiction of a species. In addition links are provided to retrieve biological records and collection information from the Global Biodiversity Information Facility (GBIF) Data Portal and bioscience articles from BioOne journals.
Available from: http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=506250 [Accessed March 2005]
PIER (Pacific Island Ecosystems at Risk). 2005. Dipogon lignosus (L.) Verdc., Fabaceae.
Summary: Available from: http://www.hear.org/pier/species/dipogon_lignosus.htm [Accessed 15 June 2005]
USDA-NRCS (Natural Resource Conservation Service). 2005. Dipogon lignosus. The PLANTS Database Version 3.5 [Online Database] National Plant Data Center, Baton Rouge, LA.
Summary: Available from: http://plants.usda.gov/java/nameSearch?mode=Scientific+Name&keywordquery=Dipogon+lignosus&go.x=7&go.y=8 [Accessed 15 March 2006]
Contact
The following 1 contacts offer information an advice on Dipogon lignosus
Adair,
Robin
Organization:
Department of Primary Industries
Address:
Primary Industries Research Victoria PO Box 48, Frankston, Victoria 3199
Phone:
+0397850123
Fax:
+0397852007