List of Dahlia species
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There are 42 accepted species in the Dahlia genus, according to The Plant List.[1] The sectional classification of Dahlia sensu Sørensen (1969)[2] as updated by Saar et al. (2003)[3] and Hansen (2004)[4] and (2008)[5] is as follows (excluding infraspecific taxa);
- Section Pseudodendron Sherff
- D. campanulata Saar, Sørensen, & Hjerting
- D. excelsa Bentham (uncertain)
- D. imperialis Rozel ex Ortgies
- D. tenuicaulis Sørensen
- Section Entemophyllon Sørensen
- D. congestifolia Sørensen
- D. dissecta S. Watson
- D. foeniculifolia Sherff
- D. linearis Sherff
- D. rupicola Sørensen
- D. scapigeroides Sherff
- D. sublignosa (Sørensen) Saar & Sørensen[6][7]
- Section Dahlia Sherff
- D. apiculata (Sherff) Sørensen
- D. atropurpurea Sørensen
- D. australis (Sherff) Sørensen
- D. barkeriae Knowles and Westcott
- D. brevis Sørensen
- D. coccinea Cavanilles
- D. cordifolia (Sessé & Moc.) McVaugh syn. D. cardiophylla
- D. cuspidata Saar, Sørensen, & Hjerting
- D. hintonii Sherff
- D. hjertingii Hansen and Sørensen
- D. mollis Sørensen
- D. moorei Sherff
- D. neglecta Saar
- D. parvibracteata Saar & Sørensen
- D. pteropoda Sherff
- D. purpusii Brandg.
- D. rudis Sørensen
- D. sherffii Sørensen
- D. scapigera (A. Dietrich) Knowles & Westcott
- D. sorensenii Hansen & Hjerting
- D. spectabilis Saar, Sørensen, & Hjerting
- D. tenuis Robinson & Greenman
- D. tubulata Sørensen
- Subsection Merckii Sørensen
- D. merckii Lehm. (sometimes spelled Dahlia merkii)
- Section Epiphytum Sherff
- D. macdougallii Sherff
- Unresolved
- D. pinnata Type (more properly D. x pinnata)[8] Most likely (= D. coccinea x D. sorensenii).[4]
- D. variabilis Desf.
References
- ↑ The Plant List
- ↑ Sørensen, P. D. 1969. Revision of the genus Dahlia (Compositae, Heliantheae-Coreopsidinae). Rhodora 71: 309-365, 367-416.
- ↑ Dayle E. Saar, Neil O. Polans and Paul D. Sørensen. A Phylogenetic Analysis of the Genus Dahlia (Asteraceae) Based on Internal and External Transcribed Spacer Regions of Nuclear Ribosomal DNA. Systematic Botany Vol. 28, No. 3 (Jul. - Sep., 2003), pp. 627-639. Stable URL: http://www.jstor.org/stable/25063902
- ↑ 4.0 4.1 Hansen, H. V. (2004), Simplified keys to four sections with 34 species in the genus Dahlia (Asteraceae-Coreopsideae). Nordic Journal of Botany, 24: 549–553. doi: 10.1111/j.1756-1051.2004.tb01639.x
- ↑ Hans V. Hansen. Native (wild) Dahlias – taxonomy, historical review, and the derivation of cultivars, in Trial of Dahlia 2008, Final Report. Royal Horticultural Society
- ↑ Dayle E. Saar and Paul D. Sørensen. SIDA, Contributions to Botany Vol. 21, No. 4 (21 December 2005), pp. 2161-2167
- ↑ Elevated from D. dissecta var. sublignosa but still listed as unresolved in The Plant List
- ↑ Accepted name in The Plant List, but was not accepted by Saar (2003). Hansen, H. V. and J. P. Hierting. 1996. Observations on chromosome numbers and biosystematics in Dahlia (Asteraceae,Heliantheae) with an account on the identity of D. pinnata, D.rosea and D. coccinea. Nordic Journal of Botany 16: 445-455.
