Dioscoreales

Indian bluethread Burmannia coelestis, copyright Dinesh Valke.

Belongs within: Petrosaviidae.
Contains: Dioscoreaceae.

The Dioscoreales are a clade of forest-growing herbs and vines.

Characters (from Angiosperm Phylogeny Web): Steroidal saponins present; vascular bundles in rings; vessels also in stem and leaf; flowers or inflorescence with glandular hairs; styles free early in ontogeny, branches well developed, adaxially grooved; tepals persistent in fruit; ovules many/carpel; endotegmen tanniniferous; embryo at most short.

<==DioscorealesAPG16
    |--Nartheciaceae [Nartheciales]DS04
    |    |--NartheciumCD07
    |    |    |--N. californicumH93
    |    |    `--N. ossifragum (Linnaeus) Huds. 1762CD07
    |    `--AletrisDS04
    |         |--A. farinosaDS04
    |         `--A. paucifloraO88
    `--+--DioscoreaceaeDS04
       `--Burmanniaceae [Burmanniales]DS04
            |  i. s.: CymbocarpaYY22
            |         DictyostegiaYY22
            |         GymnosiphonYY22
            |--HaplothismieaeME70
            |--Thismia Griff. 1844 [Thismiaceae, Thismieae]ME70
            |    |--T. arachnitesP88
            |    `--T. rodwayi Muell. 1890 [incl. Bagnisia hillii Cheesem. 1908]ME70
            `--BurmanniaDS04 [BurmannieaeME70]
                 |--B. bifloraDS04
                 |--B. coelestisDS04
                 |--B. junceaLK14
                 |--B. longifoliaDS04
                 |--B. lutescensDS04
                 `--B. madagascariensisDS04

*Type species of generic name indicated

References

[APG16] Angiosperm Phylogeny Group. 2016. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV. Botanical Journal of the Linnean Society 181: 1–20.

[CD07] Cantino, P. D., J. A. Doyle, S. W. Graham, W. S. Judd, R. G. Olmstead, D. E. Soltis, P. S. Soltis & M. J. Donoghue. 2007. Towards a phylogenetic nomenclature of Tracheophyta. Taxon 56 (3): E1–E44.

[DS04] Davis, J. I., D. W. Stevenson, G. Petersen, O. Seberg, L. M. Campbell, J. V. Freudenstein, D. H. Goldman, C. R. Hardy, F. A. Michelangeli, M. P. Simmons, C. D. Specht, F. Vergara-Silva & M. Gandolfo. 2004. A phylogeny of the monocots, as inferred from rbcL and atpA sequence variation, and a comparison of methods for calculating jackknife and bootstrap values. Systematic Botany 29 (3): 467–510.

[H93] Hickman, J. C. (ed.) 1993. The Jepson Manual: Higher Plants of California. University of California Press: Berkeley (California).

[LK14] Lyons, M. N., G. J. Keighery, L. A. Gibson & T. Handasyde. 2014. Flora and vegetation communities of selected islands off the Kimberley coast of Western Australia. Records of the Western Australian Museum Supplement 81: 205–244.

[ME70] Moore, L. B., & E. Edgar. 1970. Flora of New Zealand vol. 2. Indigenous Tracheophyta: Monocotyledones except Gramineae. A. R. Shearer, Government Printer: Wellington (New Zealand).

[O88] Ohba, H. 1988. The alpine flora of the Nepal Himalayas: an introductory note. In: Ohba, H., & S. B. Malla (eds) The Himalayan Plants vol. 1. The University Museum, University of Tokyo, Bulletin 31: 19–46.

[P88] Polunin, I. 1988. Plants and Flowers of Malaysia. Times Editions: Singapore.

[YY22] Yampolsky, C., & H. Yampolsky. 1922. Distribution of sex forms in the phanerogamic flora. Bibliotheca Genetica 3: 1–62.

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