Vangueria
Vangueria | |
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Vangueria parvifolia Sond. | |
Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Gentianales |
Family: | Rubiaceae |
Subfamily: | Ixoroideae |
Tribe: | Vanguerieae |
Genus: | Vangueria Juss. |
Type species | |
Vangueria madagascariensis | |
Synonyms | |
Vangueria is a genus of flowering plants in the family Rubiaceae. The genus is named for Voa vanguer, as V. madagascariensis is known in Malagasy.[1]
Distribution
The genus contains over 50 species distributed in Africa south of the Sahara with one species occurring in Madagascar (V. madagascariensis). The centre of diversity is in East Africa (Kenya, Tanzania) and they are rare in West Africa.
Bacterial leaf symbiosis
Endophytic bacteria are housed in the intercellular space of the leaf mesophyll tissue. The presence of these bacteria can only be microscopically ascertained. The bacteria are identified as Burkholderia, which is a genus that is also found in the leaves of other Rubiaceae species.[2][3] The hypothesis is that these endophytic bacteria provide chemical protection against insect herbivory.[4]
Gousiekte
Several Vangueria species - V. latifolia, V. pygmaea, V. thamnus - are known to cause gousiekte, a cardiotoxicosis of ruminants characterised by heart failure four to eight weeks after ingestion of certain rubiaceous plants.[5]
Species
- Vangueria agrestis (Schweinf. ex Hiern.) Lantz
- Vangueria albosetulosa (Verdc.) Lantz
- Vangueria apiculata K.Schum.
- Vangueria bicolor K.Schum.
- Vangueria bowkeri (Robyns) Lantz
- Vangueria burnettii (Tennant) Lantz
- Vangueria burttii (Verdc.) Lantz
- Vangueria chariensis A.Chev. ex Robyns
- Vangueria cinerascens (Welw. ex Hiern.) Lantz
- Vangueria cinnamomea Dinter
- Vangueria cistifolia (Welw. ex Hiern.) Lantz
- Vangueria coerulea (Robyns) Lantz
- Vangueria cyanescens Robyns
- Vangueria discolor (De Wild.) Lantz
- Vangueria domatiosa J.E.Burrows
- Vangueria dryadum S.Moore
- Vangueria esculenta S.Moore
- Vangueria ferruginea (Welw.) ined.
- Vangueria fulva (Robyns) Lantz
- Vangueria fuscosetulosa (Verdc.) Lantz
- Vangueria gillettii (Tennant) Lantz
- Vangueria glabrata K.Schum.
- Vangueria gossweileri (Robyns) Lantz
- Vangueria induta (Bullock) Lantz
- Vangueria infausta Burchell
- Vangueria kerstingii Robyns
- Vangueria lasiantha (Sond.) Sond.
- Vangueria latifolia (Sond.) Sond.
- Vangueria loranthifolia K.Schum.
- Vangueria macrocalyx Sond.
- Vangueria madagascariensis J.F.Gmel.
- Vangueria micropyren (Verdc.) Lantz
- Vangueria mollis (Robyns) Lantz
- Vangueria monteiroi (Oliv.) Lantz
- Vangueria obtusifolia K.Schum.
- Vangueria pachyantha (Robyns) Lantz
- Vangueria pallidiflora (Bullock) Lantz
- Vangueria parvifolia Sond.
- Vangueria praecox Verdc.
- Vangueria proschii Briq
- Vangueria psammophila (K.Schum.) Lantz
- Vangueria pygmaea Schltr.
- Vangueria quarrei (Robyns) Lantz
- Vangueria randii S.Moore
- Vangueria rhodesiaca (Tennant) Lantz
- Vangueria rufescens (E.A.Bruce) Lantz
- Vangueria schliebenii (Verdc.) Lantz
- Vangueria schumanniana (Robyns) Lantz
- Vangueria senegalensis Benth. & Hook.f. ex Hiern
- Vangueria silvicola O.Lachenaud
- Vangueria solitariiflora (Verdc.) Lantz
- Vangueria soutpansbergensis N.Hahn
- Vangueria thamnus (Robyns) Lantz
- Vangueria triflora (Robyns) Lantz
- Vangueria venosa (Hochst.) Sond.
- Vangueria verticillata (Robyns) Lantz
- Vangueria vestita (Robyns) ined.
- Vangueria volkensii K.Schum.
References
- ^ Thomas, Val; Rina Grant (2001). Sappi tree spotting : Highlands : Highveld, Drakensberg, Eastern Cape mountains (3rd ed.). Johannesburg: Jacana. p. 262. ISBN 978-1-77009-561-8.
- ^ Verstraete B, Janssens S, Smets E, Dessein S (2013). "Symbiotic beta-proteobacteria beyond legumes: Burkholderia in Rubiaceae". PLOS ONE. 8 (1): e55260. doi:10.1371/journal.pone.0055260. PMC 3555867. PMID 23372845.
- ^ Verstraete B, Janssens S, Lemaire B, Smets E, Dessein S (2013). "Phylogenetic lineages in Vanguerieae (Rubiaceae) associated with Burkholderia bacteria in sub-Saharan Africa". American Journal of Botany. 100 (12): 2380–2387. doi:10.3732/ajb.1300303. PMID 24275705.
- ^ Sieber S, Carlier A, Neuburger M, Grabenweger G, Eberl L, Gademann K (2015). "Isolation and total synthesis of kirkamide, an aminocyclitol from an obligate leaf nodule symbiont" (PDF). Angewandte Chemie International Edition. 54 (27): 7968–7970. doi:10.1002/anie.201502696. PMID 26033226.
- ^ 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. doi:10.1371/journal.pone.0019265. PMC 3082559. PMID 21541284.
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- Vangueria
- Rubiaceae genera
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