| Pavetta | |
|---|---|
| |
| Pavetta capensis | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Subfamily: | Ixoroideae |
| Tribe: | Pavetteae |
| Genus: | Pavetta L. |
| Type species | |
| Pavetta indica | |
| Synonyms | |
Pavetta is a genus of flowering plants in the family Rubiaceae. It comprises about 360 species of trees, evergreen shrubs and sub-shrubs. It is found in woodlands, grasslands and thickets in sub-tropical and tropical Africa and Asia. The plants are cultivated for their simple but variable leaves, usually opposite but also occur in triple whorls. The leaves are often membranous with dark bacterial nodules. Pavetta has small, white, tubular flowers, sometimes salviform or funnel-shaped with 4 spreading petal lobes. The flowers are carried on terminal corymbs or cymes.[1]
Gousiekte
Two Pavetta species, Pavetta harborii and Pavetta schummaniana, harbor endophytic Burkholderia bacteria in visible leaf nodules and are known to cause gousiekte, a cardiotoxicosis of ruminants characterised by heart failure four to eight weeks after ingestion of certain rubiaceous plants.[2]
Species
Selected species include:
- Pavetta axillipara Bremek.
- Pavetta blanda Bremek.
- Pavetta brachycalyx Hiern
- Pavetta capensis (Houtt.) Bremek.
- Pavetta gleniei Thwaites ex Hook.f.
- Pavetta holstii K.Schum. ex Engl.
- Pavetta indica L.
- Pavetta intermedia Bremek.
- Pavetta kimberleyana S.T.Reynolds
- Pavetta kupensis S.D.Manning
- Pavetta lasioclada (K.Krause) Mildbr. ex Bremek.
- Pavetta linearifolia Bremek.
- Pavetta lynesii Bridson
- Pavetta manyanguensis Bridson
- Pavetta mollissima Hutch. & Dalziel
- Pavetta monticola Hiern
- Pavetta muiriana S.D.Manning
- Pavetta nitidissima Bridson
- Pavetta rubentifolia S.D.Manning
- Pavetta schumanniana F.Hoffm. ex K.Schum.
- Pavetta sparsipila Bremek.
- Pavetta tarennoides S.Moore
Pictures
References
- ^ Encyclopaedia of Garden Plants, C. Brickell, 1996, London, Royal Horticultural Society, ISBN 0-7513-0436-0.
- ^ Verstraete B, Van Elst D, Steyn H, Van Wyk B, Lemaire B, Smets E, Dessein S (2011). "Endophytic bacteria in toxic South African plants: identification, phylogeny and possible involvement in gousiekte". PLOS ONE. 6 (4): e19265. Bibcode:2011PLoSO...619265V. doi:10.1371/journal.pone.0019265. PMC 3082559. PMID 21541284.
External links
Media related to Pavetta at Wikimedia Commons
Data related to Pavetta at Wikispecies- World Checklist of Rubiaceae
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