Cowpea Vigna unguiculata, copyright Harry Rose.

Belongs within: Phaseolinae.

Vigna is a pantropical genus of twining or erect herbaceous legumes, a number of which are cultivated as food plants.

Characters (from Flora of China): Twining or erect herbs, rarely subshrubs. Leaves pinnately 3-foliolate; stipules peltate or basally spurred, 2-lobed, cordate, or truncate. Racemes axillary or terminal, nodes of rachis often thickened and glandular. Bracts and bracteoles deciduous. Calyx 5-toothed, 2-lipped. Corolla yellow, blue, or purple; standard suborbicular, base appendaged; wings shorter than standard; keel subequal to wings, incurved, not beaked or produced into an incurved or spirally twisted beak. Stamens diadelphous; anthers uniform. Ovary sessile; style filiform, upper part thickened, bearded or hirsute lengthwise inside; stigma oblique. Legumes linear or linear-oblong, terete or flat. Seeds reniform or subquadrate; hilum short or elongate, with or without aril.

    |--V. aconitifolia PP07
    |--V. angularis T91
    |--V. dalzelliana SR07
    |--V. lanceolata B12
    |    |--V. l. var. lanceolata B12
    |    `--V. l. var. filiformis B12
    |--V. luteola B00
    |--V. marinas M99
    |--V. radiata KJ94
    |    |--V. r. var. radiata LK14
    |    |--V. r. var. setulosa LK14
    |    `--V. r. var. sublobata LK14
    |--V. sesquipedales M99 [=V. unguiculata ssp. sesquipedalis BMM99]
    |--V. sinensis B88
    |--V. trilobata PP07
    |--V. unguiculata CP13
    `--V. vexillata H03
         |--V. v. var. vexillata VT13
         `--V. v. var. angustifolia VT13

*Type species of generic name indicated


[B88] Bouček, Z. 1988. Australasian Chalcidoidea (Hymenoptera): A biosystematic revision of genera of fourteen families, with a reclassification of species. CAB International: Wallingford (UK).

[B00] Braby, M. F. 2000. Butterflies of Australia: their identification, biology and distribution vol. 2. CSIRO Publishing: Collingwood (Victoria).

[B12] Braby, M. F. 2012. The butterflies of El Questro Wilderness Park, with remarks on the taxonomy of the Kimberley fauna, Australia. Records of the Western Australian Museum 27 (2): 161–175.

[BMM99] Braun, U., J. Mouchacca & E. H. C. McKenzie. 1999. Cercosporoid hyphomycetes from New Caledonia and some other South Pacific islands. New Zealand Journal of Botany 37: 297–327.

[CP13] Cardoso, D., R. T. Pennington, L. P. de Queiroz, J. S. Boatwright, B.-E. Van Wyk, M. F. Wojciechowski & M. Lavin. 2013. Reconstructing the deep-branching relationships of the papilionoid legumes. South African Journal of Botany 89: 58–75.

[H03] Heads, M. 2003. Ericaceae in Malesia: vicariance biogeography, terrane tectonics and ecology. Telopea 10 (1): 311–449.

[KJ94] Kim, K.-J., & R. K. Jansen. 1994. Comparisons of phylogenetic hypotheses among different data sets in dwarf dandelions (Krigia, Asteraceae): additional information from internal transcribed spacer sequences of nuclear ribosomal DNA. Plant Systematics and Evolution 190: 157–185.

[LK14] Lyons, M. N., G. J. Keighery, L. A. Gibson & T. Handasyde. 2014. Flora and vegetation communities of selected islands off the Kimberley coast of Western Australia. Records of the Western Australian Museum Supplement 81: 205–244.

[M99] Matthews, M. 1999. Heliothine Moths of Australia: A guide to bollworms and related noctuid groups. CSIRO Publishing.

[PP07] Pandey, R. P.. & P. M. Padhye. 2007. Studies on phytodiversity of Arid Machia Safari Park-Kailana in Jodhpur (Rajasthan). Bulletin of the Botanical Survey of India 49: 15–78.

[SR07] Sankar, R. V., K. Ravikumar, N. M. Ganesh Babu & D. K. Ved. 2007. Botany of Anapady MPCA, Palghat district, Kerala with special emphasis on species of conservation concern. Bulletin of the Botanical Survey of India 49: 165–172.

[T91] Tanigoshi, L. K. 1991. Tetranychus urticae Koch: its control and impact on azuki bean culture in eastern Washington. In: Dusbábek, F., & V. Bukva (eds) Modern Acarology: Proceedings of the VIII International Congress of Acarology, held in České Budĕjovice, Czechoslovakia, 6–11 August 1990 vol. 2 pp. 737–740. SPB Academic Publishing: The Hague.

[VT13] Vigilante, T., J. Toohey, A. Gorring, V. Blundell, T. Saunders, S. Mangolamara, K. George, J. Oobagooma, M. Waina, K. Morgan & K. Doohan. 2013. Island country: aboriginal connections, values and knowledge of the Western Australian Kimberley islands in the context of an island biological survey. Records of the Western Australian Museum Supplement 81: 145–182.

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