Discaria
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Discaria is a genus of 6 species of flowering plants in the family Rhamnaceae, native to temperate regions of the Southern Hemisphere, in Australia, New Zealand and South America.
They are deciduous thorny shrubs or small trees growing to 2–5 m tall. They are also non-legume nitrogen fixers.
Many of the world's Discaria species qualify as xerophytes in the true sense of the term, and the Australian species are no exception. They frequently occur on porous or well-drained sites and on soils of low fertility. Some species can fix nitrogen from the atmosphere with the help of symbiotic bacteria (Frankia) that form nodules in their roots.[1]
Taxonomy
Species
Discaria comprises the following species:[2][3]
- Discaria americana Gillies & Hook.
- Discaria articulata (Phil.) Miers
- Discaria chacaye (G.Don) Tortosa
- Discaria nitida Tortosa
- Discaria pubescens (Brongn.) Druce
- Discaria toumatou Raoul
Hybrids
The following hybrid has been described:[2][3]
- Discaria × serratifolia Benth. & Hook.f. ex Mast.
Species names with uncertain taxonomic status
The status of the following species and hybrids is unresolved:[2]
- Discaria × andina (Miers) Speg.
- Discaria aphylla Meyen
- Discaria parviflora Hook.f.
- Discaria pauciflora Hook.f.
- Discaria weddeliana (Miers) Escal.
References
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- ^ Page Module:Citation/CS1/styles.css has no content."The rare and remarkable species of Australian Discaria". anpsa.org.au. Retrieved 2016-12-02.
- ^ a b c Page Module:Citation/CS1/styles.css has no content."The Plant List entry for Discaria". The Plant List, v.1.1. Royal Botanic Gardens, Kew and the Missouri Botanical Garden. September 2013. Retrieved 14 December 2020.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Govaerts R. "Discaria Hook". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 14 December 2020.
External links
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