Uvaria concava, commonly known as calabao, is a plant in the custard apple family Annonaceae that is native throughout tropical Asia, from India to northern Australia. It is a rainforest climber, first described in 1855.
| Calabao | |
|---|---|
 | |
| Flower | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Spermatophytes |
| Clade: | Angiosperms |
| Clade: | Magnoliids |
| Order: | Magnoliales |
| Family: | Annonaceae |
| Genus: | Uvaria |
| Species: | U. concava |
| Binomial name | |
| Uvaria concava | |
| Synonyms[3] | |
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18 synonyms
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Description
editThis is a scrambling shrub or woody vine with a stem diameter up to 5 cm (2 in). Young branches are covered in reddish-brown or golden hairs. Leaves arranged alternately on the twigs and are hairless on both sides. They are elliptic to obovate in shape and can grow to be 25 cm (9.8 in) long and 9 cm (3.5 in) wide.[4][5][6]
Large red flowers appear singly on the twigs, opposite the leaves. They have three sepals and six petals arranged in two whorls of three, each measuring about 28 mm (1.1 in) long and 22 mm (0.9 in) wide. The flowers have about 120 stamens and 30 to 40 carpels. The fruit is a cluster of fruiting carpels.[5][6][7]
Distribution and habitat
editIt grows in and near rainforest, monsoon forest and gallery forest up to about 100 m (330 ft) above sea level. In Queensland it occurs on the east coast, from near Cairns to the top of Cape York Peninsula.
It is native to the following regions as defined in the World Geographical Scheme for Recording Plant Distributions:[3][8]
Conservation
editThis species is listed as least concern under the Queensland Government's Nature Conservation Act.[1] As of 1 July 2026[update], it has not been assessed by the International Union for Conservation of Nature.
References
edit- 1 2 "Species profile—Uvaria concava". Queensland Department of Environment and Science. Queensland Government. 2024. Retrieved 23 June 2024.
- ↑ "Uvaria concava". Australian Plant Name Index (APNI). Centre for Australian National Biodiversity Research, Australian Government. Retrieved 23 June 2024.[dead link]
- 1 2 3 "Uvaria concava Teijsm. & Binn". Plants of the World Online. Royal Botanic Gardens, Kew. 2024. Retrieved 23 June 2024.
- ↑ F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Uvaria concava". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 23 June 2024.
- 1 2 Jessup, L.W.; Kodela, P.G. (2022). Kodela, P.G. (ed.). "Uvaria concava". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 23 June 2024.
- 1 2 Royal Netherlands Botanic Society (1855), Koninklijke Nederlandse Botanische Vereniging (in Dutch), vol. 3, Leyden: S. en J. Luchtmans, p. 406
- ↑ Cooper, Wendy; Cooper, William T. (June 2004). Fruits of the Australian Tropical Rainforest. Clifton Hill, Victoria, Australia: Nokomis Editions. p. 28. ISBN 978-0-9581742-1-3.
- ↑ Brummitt, R.K. (2001). World Geographical Scheme for Recording Plant Distributions (PDF) (2nd ed.). International Working Group on Taxonomic Databases For Plant Sciences (TDWG). Retrieved 1 July 2026.
External links
edit
- View a map of herbarium collections of this species at the Australasian Virtual Herbarium
- View observations of this species on iNaturalist
- View images of this species on Flickriver.com