Mirbelioids

Group of legumes

Mirbelioids

Mirbelia floribunda
Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Clade:  | Angiosperms
Clade:  | Eudicots
Clade:  | Rosids
Order:  | Fabales
Family:  | Fabaceae
Subfamily:  | Faboideae
Clade:  | Meso-Papilionoideae
Clade:  | Non-protein amino acid-accumulating clade
Clade:  | Mirbelioids
Wojciechowski et al. 2004[1][2]
Type genus
Mirbelia

Sm.

Genera and subclades

See text

Synonyms

* Bossiaeeae (Benth.) Hutch 1964
* Genisteae subtribe Bossiaeinae Benth. 1865
* Mirbelieae (Benth.) Polhill & Crisp 1982
* Podalyrieae subtribe Mirbeliinae Benth. 1837

The Mirbelioids are an informal subdivision of the plant family Fabaceae that includes the former tribes Bossiaeeae and Mirbelieae. They are consistently recovered as a monophyletic clade in molecular phylogenies.[1][3][4][5][6][7][8][9] The Mirbelioids arose 48.4 ± 1.3 million years ago (in the early Eocene).[10] Members of this clade are mostly ericoid (sclerophyllous) shrubs with yellow and red ('egg and bacon') flowers found in Australia, Tasmania, and Papua-New Guinea.[11][12] The name of this clade is informal and is not assumed to have any particular taxonomic rank like the names authorized by the ICBN or the ICPN.[2] Members of this clade exhibit unusual embryology compared to other legumes, either enlarged antipodal cells in the embryo sac or the production of multiple embryo sacs.[3][4][13][14] There has been a shift from bee pollination to bird pollination several times in this clade.[15] Mirbelioids produce quinolizidine alkaloids,[16] but unlike most papilionoids, they do not produce isoflavones.[17] Many of the Mirbelioids have pseudoraceme inflorescences.[18]

## Genera

[edit]

The Mirbelioids have been circumscribed to include the following genera:[5][19]

### Giant antipodals group

[edit]

* Aenictophyton A. T. Lee
* Bossiaea Vent.
* Daviesia Sm.
* Erichsenia Hemsl.
* Gompholobium Sm.
* Goodia Salisb.
* Muelleranthus Hutch.
* Paragoodia I. Thomps.[20]
* Platylobium Sm.
* Ptychosema Benth. ex Lindl.
* Sphaerolobium Sm.
* Viminaria Sm.

### Multiple embryo-sac group

[edit]

#### Basal grade

[edit]

* Isotropis Benth.
* Jacksonia R. Br. ex Sm.
* Leptosema Benth.

#### Callistachys group

[edit]

* Callistachys Vent.
* Gastrolobium R.Br.

#### Oxylobium grade

[edit]

* Chorizema Labill.
* Mirbelia Sm.
* Oxylobium Andrews
* Podolobium R. Br.

#### Pultenaea group

[edit]

* Almaleea Crisp & P. H. Weston
* Aotus Sm.
* Dillwynia Sm.
* Euchilopsis F. Muell.
* Eutaxia R. Br.
* Latrobea Sm.
* Phyllota (DC.) Benth.
* Pultenaea Sm.
* Stonesiella Crisp & P. H. Weston
* Urodon Turcz.

It has been proposed that many of these genera be subsumed into Pultenaea.[21][22][23]

## References

[edit]

1. ^ a b Wojciechowski MF; Lavin M; Sanderson MJ (2004). "A phylogeny of legumes (Leguminosae) based on analysis of the plastid matK gene resolves many well-supported subclades within the family". Am J Bot. 91 (11): 1846–862\. doi:10.3732/ajb.91.11.1846. PMID 21652332.
2. ^ a b Wojciechowski MF (2013). "Towards a new classification of Leguminosae: Naming clades using non-Linnaean phylogenetic nomenclature". S Afr J Bot. 89: 85–93\. doi:10.1016/j.sajb.2013.06.017.
3. ^ a b Crisp MD; Van Wyk B-E (2000). "Molecular phylogeny of the genistoid tribes of papilionoid legumes". In Herendeen PS; Bruneau A; Pollard PS (eds.). Advances in Legume Systematics, Part 9. Royal Botanic Gardens, Kew. pp. 249–276\. ISBN 9781842460177.
4. ^ a b Crisp MD; Cook LG (2003). "Phylogeny and embryo sac evolution in the endemic Australasian papilionoid tribes Mirbelieae and Bossiaeeae". In Klitgaard BB; Bruneau A (eds.). Advances in Legume Systematics, Part 10: Higher Level Systematics. Royal Botanic Gardens, Kew. pp. 253–268\. ISBN 9781842460542.
5. ^ a b Cardoso D; Pennington RT; de Queiroz LP; Boatwright JS; Van Wyk B-E; Wojciechowski MF; Lavin M (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes". S Afr J Bot. 89: 58–75\. doi:10.1016/j.sajb.2013.05.001. hdl:10566/3193.
6. ^ Cardoso D; de Queiroz LP; Pennington RT; de Lima HC; Fonty É; Wojciechowski MF; Lavin M (2012). "Revisiting the phylogeny of papilionoid legumes: new insights from comprehensively sampled early-branching lineages". Am J Bot. 99 (12): 1991–2013\. doi:10.3732/ajb.1200380. PMID 23221500.
7. ^ McMahon MM; Sanderson MJ (2006). "Phylogenetic supermatrix analysis of GenBank sequences from 2228 papilionoid legumes". Syst Biol. 99 (12): 1991–2013\. doi:10.1080/10635150600999150. PMID 17060202.
8. ^ LPWG [Legume Phylogeny Working Group] (2013). "Legume phylogeny and classification in the 21st century: progress, prospects and lessons for other species-rich clades" (PDF). Taxon. 62 (2): 217–248\. doi:10.12705/622.8. hdl:10566/3455.
9. ^ Doyle JJ; Doyle JL; Ballenger JA; Dickson EE; Kajita T; Ohashi H (1997). "A phylogeny of the chloroplast gene rbcL in the Leguminosae: taxonomic correlations and insights into the evolution of nodulation". Am J Bot. 84 (4): 541–554\. doi:10.2307/2446030. JSTOR 2446030. PMID 21708606.
10. ^ Lavin M; Herendeen PS; Wojciechowski MF (2005). "Evolutionary rates analysis of Leguminosae implicates a rapid diversification of lineages during the tertiary". Syst Biol. 54 (4): 575–94\. doi:10.1080/10635150590947131. PMID 16085576.
11. ^ Crisp MD; Chappill JA; De Kok R; Jobson P (2013). "Kew entry for Mirbelieae". www.kew.org. Royal Botanic Gardens, Kew, London, England. Retrieved 13 January 2016.
12. ^ Ross JH; Van Wyk B-E (2013). "Kew entry for Bossiaeeae". www.kew.org. Royal Botanic Gardens, Kew, London, England. Retrieved 13 January 2016.
13. ^ Cameron BG; Prakash N (1990). "Occurrence of giant antipodals in the female gametophytes of Australian Bossiaeeae, Indigofereae, and Mirbelieae (Leguminosae)". Aust J Bot. 38 (4): 395–401\. doi:10.1071/BT9900395.
14. ^ Cameron BG; Prakash N (1994). "Variations of the megagametophyte in the Papilionoideae". In Ferguson IK; Tucker SC (eds.). Advances in Legume Systematics, Part 6: Structural Botany. Royal Botanic Gardens, Kew. pp. 97–115\. ISBN 978-0947643782.
15. ^ Toon A; Cook LG; Crisp MD (2014). "Evolutionary consequences of shifts to bird-pollination in the Australian pea-flowered legumes (Mirbelieae and Bossiaeeae)". BMC Evolutionary Biology. 14 (1): 43. Bibcode:2014BMCEE..14...43T. doi:10.1186/1471-2148-14-43. PMC 4015313. PMID 24602227.
16. ^ Kinghorn AD; Balandrin MF; Lin L-J (1982). "Alkaloid distribution in some species of the papilionaceous tribes Sophoreae, Dalbergieae, Loteae, Brongniartieae, and Bossiaeeae". Phytochemistry. 21 (9): 2269–2275\. Bibcode:1982PChem..21.2269D. doi:10.1016/0031-9422(82)85190-X.
17. ^ Wink M (2013). "Evolution of secondary metabolites in legumes (Fabaceae)". South African Journal of Botany. 89: 164–175\. doi:10.1016/j.sajb.2013.06.006.
18. ^ Tucker SC (2005). "Floral ontogeny of Hardenbergia violacea (Fabaceae: Faboideae: Phaseoleae) and taxa of tribes Bossiaeeae and Mirbelieae, with emphasis on presence of pseudoraceme inflorescences". Aust Syst Bot. 19 (3): 193–210\. doi:10.1071/SB05004.
19. ^ "Mirbelioid s. l.". Legumes of the World. Kew Royal Botanic Gardens. Retrieved January 13, 2017.
20. ^ Thompson IR (2011). "A revision of Muelleranthus, Ptychosema, and Aenictophyton (Fabaceae: Bossiaeeae)" (PDF). Muelleria. 29 (2): 173–189\. doi:10.5962/p.292522. S2CID 251007396. Archived from the original (PDF) on 2021-01-20. Retrieved 2017-01-18.
21. ^ Bickford SA; Laffan SW; de Kok RPJ; Orthia LA (2004). "Spatial analysis of taxonomic and genetic patterns and their potential for understanding evolutionary histories". Journal of Biogeography. 31 (11): 1715–173\. Bibcode:2004JBiog..31.1715B. doi:10.1111/j.1365-2699.2004.01127.x. S2CID 84466412.
22. ^ Orthia LA; Cook LG; Crisp MD (2005). "Generic delimitation and phylogenetic uncertainty: An example from a group that has undergone an explosive radiation". Aust Syst Bot. 18 (1): 41–47\. doi:10.1071/SB04016. S2CID 56509374.
23. ^ Orthia LA; Cook LG; Crisp MD; deKok RPJ (2005). "Bush peas: A rapid radiation with no support for monophyly of Pultenaea (Fabaceae: Mirbelieae)". Aust Syst Bot. 18 (2): 133–147\. doi:10.1071/SB04028.