Canavalia papuana

Merr. & Perry

Wild Jack bean

FabaceaeSeeds/NutsSpice/Beverage
Canavalia papuana
iNaturalist · cc-by-nc
(c) Bruce McLennan, some rights reserved (CC BY-NC), uploaded by Bruce McLennan
Canavalia papuana
iNaturalist · cc-by-nc
(c) Russell Cumming, some rights reserved (CC BY-NC)
Canavalia papuana
iNaturalist · cc-by-nc
(c) Russell Cumming, some rights reserved (CC BY-NC)

What to Eat

Edible parts: Seeds - coffee

The seeds have been roasted and used to make coffee.

Where to Find It

A tropical plant. It grows in warm, moist coastal districts. It is very cold sensitive. It needs well drained soil in a sunny position. It grows from 5 to 1250 m altitude in Papua New Guinea. In tropical Australia it grows from sea level to 630 m altitude.

Australia*, East Timor, Pacific, Papua New Guinea, PNG, SE Asia, Timor-Leste,

Countries: Australia, Brunei, Fiji, Micronesia, Indonesia, Cambodia, Kiribati, Laos, Marshall Islands, Myanmar, Malaysia, Nauru, New Zealand, Papua New Guinea, Philippines, Palau, Solomon Islands, Singapore, Thailand, Timor-Leste, Tonga, Tuvalu, Vietnam, Vanuatu, Samoa

How to Identify

A climbing bean up to 1-4 m tall. The stems are thin and wiry. They do not have hairs except at the nodes. The leaves have 3 leaflets. The leaf stalks are 4-10 cm long. They have a channel on the top surface. The leaflets are 10-13 cm long by 5-8 cm wide. The leaflets are thin, but oval and pointed at the top. The flowers are about 3 cm long. They are purple with a curved blunt keel. The flowers are in clusters of 10-20 flowers on flower stalks 10-14 cm long. The pods are 6-8 cm long by 1.5-2 cm wide. They are oblong and have a keel. The seeds are dark brown and oblong. They are 1.3 cm long by 8 mm wide. The seed scar is about 1 cm long.

How to Grow

Plants are grown from seed.

Notes

There are about 50 Canavalia species.

References (8)
  • Cooper, W. and Cooper, W., 2004, Fruits of the Australian Tropical Rainforest. Nokomis Editions, Victoria, Australia. p 203
  • Cowie, I, 2006, A Survey of Flora and vegetation of the proposed Jaco-Tutuala-Lore National Park. Timor-Lests (East Timor) www.territorystories.nt/gov.au p 47
  • Elliot, W.R., & Jones, D.L., 1982, Encyclopedia of Australian Plants suitable for cultivation. Vol 2. Lothian. p 456
  • Jackes, B.R., 2001, Plants of the Tropics. Rainforest to Heath. An Identification Guide. James Cook University. p 54
  • Low, T., 1992, Bush Tucker. Australia’s Wild Food Harvest. Angus & Robertson. p 27
  • Melzer, R. & Plumb, J., 2011, Plants of Capricornia. Belgamba, Rockhampton. p 367
  • Paczkowska, G . & Chapman, A.R., 2000, The Western Australian Flora. A Descriptive Catalogue. Western Australian Herbarium. p 419
  • Townsend, K., 1994, Across the Top. Gardening with Australian Plants in the tropics. Society for Growing Australian Plants, Townsville Branch Inc. p 119

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