Leea is a genus of plants in the family Vitaceae, subfamily Leeoideae, that are native to parts of central Africa, tropical Asia, Australia and Melanesia.[1]
Plants in this genus are shrubs or small trees. Leaves are arranged alternately on either side of the branches, and are compound (i.e divided into leaflets).[2][3] Stipules are characteristic.[4]:355 Inflorescences are cymose , flowers have four or five petals and sepals. The fruits are berries containing up to six (rarely 10) seeds.[2][3]
Unlike the rest of the Vitaceae species, they are not climbers and do not have tendrils.[2][4]
Taxonomy
It was previously placed in its own family, Leeaceae, based on morphological differences between it and other Vitaceae genera. These differences include ovule number per locule (two in Vitaceae and one in Leeaceae), carpel number (two in Vitaceae and three in Leeaceae), and the absence or presence of a staminoidal tube (present in Leeaceae) and floral disc (present in Vitaceae). Pollen structure has also been examined for taxonomic demarcation, although a 1968 study of pollen morphology by Ion Teofil Tarnavschi and E. Petria concluded that Leeaceae and Vitaceae should remain separate families, while a 1966 study by Otto Gunnar Elias Erdtman concluded that Leea should be included in Vitaceae.[5]
Etymology
The genus was named by Carl Linnaeus after James Lee, the Scottish nurseryman based in Hammersmith, London who introduced many new plant discoveries to England at the end of the 18th century.[6]
Malesia: Borneo, Jawa, Lesser Sunda Islands, Malaya, Maluku, Philippines, Sulawesi, Sumatera, Christmas Islands
Papuasia: Bismarck Archipelago, New Guinea, Solomon Islands
Australia: Northern Territory, Queensland
Southwestern Pacific: Fiji, Santa Cruz Islands, Vanuatu
Northwestern Pacific: Caroline Islands
Ecology
Leea flowers are visited by a variety of potential insect pollinators, including flies, wasps, bees, butterflies, and beetles. Some species may have evolved synchronized dichogamy as a mechanism to prevent self pollination.[8]
1 2 3 4 5 Jackes, B.R.; Kodela, P.G. (2022). Kodela, P.G. (ed.). "Leea D.Royen". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 2 November 2025.
1 2 "Leea D. Royen ex Linnaeus". Flora of China. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. Retrieved 2 November 2025.
1 2 Molina, Jeanmaire E.; Wen, Jun; Struwe, Lena (2013). "Systematics and biogeography of the non-viny grape relative Leea (Vitaceae)". Botanical Journal of the Linnean Society. 171 (2): 354–376. doi:10.1111/j.1095-8339.2012.01320.x.
↑ Gerrath, Jean M.; Lacroix, Christian R.; Posluszny, Usher (1990). "The Developmental Morphology of Leea guineensis. II. Floral Development". Botanical Gazette. 151 (2): 210. doi:10.1086/337820. JSTOR2995458. S2CID84559410.
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