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Salicaceae Temporal range: Eocene - recent PreꞒ Ꞓ O S D C P T J K Pg N
Salix alba
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malpighiales
Family:	Salicaceae Mirb.
Subfamilies
Salicoideae Samydoideae Scyphostegioideae
Synonyms
Bembiciaceae Caseariaceae Flacourtiaceae Homaliaceae Poliothyrsidaceae Prockiaceae Samydaceae Scyphostegiaceae

The Salicaceae are the willow family of flowering plants. The traditional family (Salicaceae sensu stricto) included the willows, poplars. Genetic studies summarized by the Angiosperm Phylogeny Group (APG) have greatly expanded the circumscription of the family to contain 56 genera and about 1220 species, including the tropical Scyphostegiaceae and many of the former Flacourtiaceae.

In the Cronquist system, the Salicaceae were assigned to their own order, Salicales, and contained three genera, Salix, Populus, and Chosenia (now a synonym of Salix). Recognized to be closely related to the Violaceae and Passifloraceae, the family is placed by the APG in the order Malpighiales.

Under the new circumscription, most members of the family are trees or shrubs that have simple leaves with alternate arrangement, and temperate members are usually deciduous. Most members have serrate or dentate leaf margins, and many of those that have such toothed margins exhibit salicoid teeth, a salicoid tooth being one in which a vein enters the tooth, expands, and terminates at or near the apex, near which are spherical and glandular protuberances called setae. Sometimes the glands will deflate and appear torus (doughnut) shaped. Some members of the family exhibit violoid or theoid teeth, characters along with presence of an aril and introrse anther dehiscence that are sometimes used to split the family into three families, Salicaceae sensu medio, Samydaceae, and Scyphostegiaceae. Members of the family often have flowers which are reduced and inconspicuous, and all have ovaries that are superior or half-inferior with parietal placentation.

Genera by subfamily and tribe

Salicaceae are divided into three subfamilies, with Salicoideae further divided into seven tribes. Several of these tribes are not monophyletic and await further revision.

Salicoideae

Abatieae

• Abatia Ruiz & Pavón (now including Aphaerema)

Bembicieae

• Bembicia Oliver

Flacourtieae

• Azara Ruiz & Pavón
• Bennettiodendron Merrill
• Carrierea Franchet
• Dovyalis Arnott
• Flacourtia L'Heritier
• Idesia Maximowicz
• Itoa Hemsley
• Lasiochlamys Pax & K. Hoffmann
• Ludia de Jussieu
• Olmediella Baillon
• Oncoba Forsskahl
• Poliothyrsis Oliver
• Tisonia Baillon
• Xylosma G. Forster (now including Priamosia)

Homalieae

• Bartholomaea Standley & Steyermark
• Bivinia Tulasne
• Byrsanthus Guillemin
• Calantica Tulasne
• Dissomeria Bentham
• Homalium Jacquin
• Neopringlea S. Watson
• Trimeria Harvey

Prockieae

• Ahernia Merrill
• Banara Aublet
• Hasseltia Kunth
• Hasseltiopsis Sleumer
• Macrohasseltia L. O. Williams
• Macrothumia M.H.Alford
• Neosprucea Sleumer
• Pineda Ruiz & Pavón
• Pleuranthodendron L. O. Williams
• Prockia L.

Saliceae

• Populus L.
• †Pseudosalix Boucher, Manchester, & Judd
• Salix L.

Scolopieae

• Hemiscolopia van Slooten
• Pseudoscolopia Gilg
• Scolopia Schreber

Samydoideae

• Casearia Jacquin (including Hecatostemon, Laetia, Samyda, & Zuelania)
• Euceraea Martius
• Irenodendron Alford & Dement
• Lunania Hooker
• Neoptychocarpus Buchheim
• Ophiobotrys Gilg
• Osmelia Thwaites (now including Pseudosmelia)
• Piparea Aublet
• Ryania Vahl
• Tetrathylacium Poeppig & Endlicher
• Trichostephanus Gilg

Scyphostegioideae

• Dianyuea C. Shang et al.
• Scyphostegia Stapf

Incertae sedis

• †Saxifragispermum Reid & Chandler
• †Utkholokia (Cheleb.) Iljinskaja & Chelb.

References

1. "Malpighiales". www.mobot.org. Retrieved 2023-06-16.
2. "Salicaceae Mirb., nom. cons". Germplasm Resources Information Network. United States Department of Agriculture. 2003-01-17. Retrieved 2010-02-04.
3. ^ Stevens, P.F. (2015) , Angiosperm Phylogeny Website, retrieved 28 January 2021
4. ^ Chase, Mark W.; Sue Zmarzty; M. Dolores Lledó; Kenneth J. Wurdack; Susan M. Swensen; Michael F. Fay (2002). "When in doubt, put it in Flacourtiaceae: a molecular phylogenetic analysis based on plastid rbcL DNA sequences". Kew Bulletin. 57 (1): 141–181. Bibcode:2002KewBu..57..141C. doi:10.2307/4110825. JSTOR 4110825.
5. Christenhusz, M. J. M. & Byng, J. W. (2016). "The number of known plants species in the world and its annual increase". Phytotaxa. 261 (3). Magnolia Press: 201–217. doi:10.11646/phytotaxa.261.3.1.
6. Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 (and more or less continuously updated since).
7. ^ Samarakoon, T., and M.H. Alford. 2019. New Names and Combinations in Neotropical Samydaceae Novon 27: 65-71.
8. Wurdack, K.J., and C.C. Davis. 2009. Malpighiales phylogenetics: Gaining ground on one of the most recalcitrant clades in the angiosperm tree of life American Journal of Botany 96: 1551-1570.
9. Judd, Walter S. (January 2015). Plant systematics : a phylogenetic approach (Fourth ed.). Sunderland, MA. ISBN 978-1-60535-389-0. OCLC 920680553.{{cite book}}: CS1 maint: location missing publisher (link)
10. Lemke, David (1988). "A synopsis of Flacourtiaceae". Aliso. 12 (1): 29–43. doi:10.5642/aliso.19881201.05. Retrieved 11 July 2018.
11. "Family Salicaceae". Taxonomy. UniProt. Retrieved 2010-02-04.
12. ^ Alford, Mac (2006). "Nomenclatural innovations in neotropical Salicaceae". Novon. 16 (3): 293–298. doi:10.3417/1055-3177(2006)16[293:niins]2.0.co;2. S2CID 86307245.
13. ^ Boucher, L. D.; Manchester, S.; Judd, W. (2003). "An extinct genus of Salicaceae based on twigs with attached flowers, fruits, and foliage from the Eocene Green River Formation of Utah and Colorado, USA". American Journal of Botany. 90 (9): 1389–99. doi:10.3732/ajb.90.9.1389. PMID 21659238.
14. Alford, Mac; Dement, Angela (2015). "Irenodendron, a new genus of Samydaceae from South America". Journal of the Botanical Research Institute of Texas. 9 (2): 331–334.
15. Alford, M.H. 2021. A taxonomic revision of Ophiobotrys, Osmelia, and Pseudosmelia (Samydaceae/Salicaceae s.l.) Brittonia 73: 393-409.
16. Shang, C; Liao, S.; Guo, Y.-J.; Zhang, Z.-X. (2017). "Dianyuea gen. nov. (Salicaceae: Scyphostegioideae) from southwestern China". Nordic Journal of Botany. 35 (4): 499–505. doi:10.1111/njb.01363.

External links

• Media related to Salicaceae at Wikimedia Commons
• Data related to Salicaceae at Wikispecies

• Salicaceae
• Malpighiales families