Canavalia rosea
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Canavalia
Species:
C. rosea
Binomial name
Canavalia rosea
Synonyms[2]

Canavalia maritima Thouars[3][4]
Canavalia obtusifolia DC.
Clitoria rotundifolia Sessé & Moc.
Dolichos maritimus Aubl.
Dolichos obtusifolius Lam.
Dolichos roseus Sw.[5]
Dolichos rotundifolius Vahl
Mucuna mutilans DC.
Rhynchosia rosea DC.

Canavalia rosea is a species of flowering plant of the genus Canavalia in the pea family of Fabaceae, it has a pantropical and subtropical distribution in upper beaches, cliffs, and dunes.[2][6] Common names include beach bean, bay bean, sea bean,[3] greater sea bean,[4] seaside jack-bean, coastal jack-bean,[5] and MacKenzie bean.[6]

Description

Vine

Coastal jack-bean is a trailing, herbaceous vine that forms mats of foliage. Stems reach a length of more than 6 m (20 ft) and 2.5 cm (0.98 in) in thickness. Each compound leaf is made up of three leaflets 3.0–15.0 cm (1.2–5.9 in) in diameter, which will fold themselves when exposed to hot sunlight.[3] It is highly salt-tolerant and prefers sandy soils.[6]

Flowers and pods

The flowers are purplish pink and 2.5–5.1 cm (0.98–2.01 in) long, they hang upside down from long stalks and produce a sweet smell.[3] The flat pods are straight or a little curved 6.0–15.2 cm (2.4–6.0 in) long, their skin become prominently ridged as they mature. Each pod has between 2–10 brown seeds. The seeds are buoyant so they can be distributed by ocean currents.[6] The plant seems to contain L-Betonicine.

Uses

Young seeds and pods are edible especially after boiling. The flowers can be made into a spice.[3]

References

  1. ↑ Bárrios, S.; Copeland, A. (2021). "Canavalia rosea". IUCN Red List of Threatened Species. 2021: e.T65899681A192148107. doi:10.2305/IUCN.UK.2021-3.RLTS.T65899681A192148107.en. Retrieved 17 December 2022.
  2. 1 2 "Canavalia rosea (Sw.) DC". Plants of the World Online. Royal Botanic Gardens, Kew. 2023. Retrieved 15 March 2023.
  3. 1 2 3 4 5 Tan, Ria (January 2013). "Sea bean (Canavalia maritima)". Wild Singapore. Retrieved 15 March 2023.
  4. 1 2 Polunin, Ivan (1987). = ed0lAQAAMAAJ&q = Canavalia+maritima&pg = PA66 Plants and Flowers of Singapore. Singapore: Times Editions. p. 66. ISBN 9971-40-114-2. {{cite book}}: Check |url= value (help)
  5. 1 2 "Canavalia rosea". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2010-12-04.
  6. 1 2 3 4 Christman, Steve (2004-01-14). "#857 Canavalia rosea". Floridata. Retrieved 2010-12-04.
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