Project 2523: T. A. Dickinson, B. X. Yan, S. Han, M. Zarrei. 2021. Niche Shifts, Hybridization, Polyploidy and Geographic Parthenogenesis in Western North American Hawthorns (Crataegus subg. Sanguineae, Rosaceae). Agronomy. 11 (11):2133.

Specimen: Crataegus suksdorfii (diploid) (Sarg.) Kruschke (ROM/TRT00001806:TRT)
View: Entire leaf
View: Entire leaf
Abstract
In Crataegus series Douglasianae vein density and other architectural features of foliage leaves vary in manners suggesting different degrees of adaptation to xeric conditions, notably the risk of xylem cavitation and embolism. We document variation in leaf venation in sexual diploids and allopolyploids in which gametophytic self-incompatibility, pseudogamous gametophytic apomixis, and hybridization have apparently also played roles in determining the extents of the geographic ranges of these taxa.Read the article »
Article DOI: 10.3390/agronomy11112133
Project DOI: 10.7934/P2523, http://dx.doi.org/10.7934/P2523
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MorphoBank Project 2523
MorphoBank Project 2523
- Creation Date:
27 August 2016 - Publication Date:
11 October 2021 - Project views: 16797
Authors' Institutions
- University of Toronto
- Royal Ontario Museum
- The Hospital for Sick Children, Toronto
Members
member name | taxa ![]() |
specimens ![]() |
media ![]() |
Tim Dickinson Project Administrator | 0 | 0 | 0 |
Madeleine Milne Full membership ![]() | 0 | 0 | 0 |
Susan Yan Observer ![]() | 5 | 17 | 51 |
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Project views 
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Total project views | 16797 | |
Project overview | 540 | |
Bibliography | 930 | |
Documents list | 355 | |
Taxon list | 432 | |
Views for media list | 362 | |
Specimen list | 2796 | |
Media views | 10112 | Media search (1065 views); M430639 (175 views); M430618 (181 views); M430654 (170 views); M430666 (168 views); M430617 (173 views); M430645 (174 views); M430646 (167 views); M430651 (169 views); M430653 (162 views); M430663 (185 views); M430630 (193 views); M430656 (187 views); M430627 (177 views); M430631 (193 views); M430643 (167 views); M430662 (186 views); M430650 (176 views); M430619 (179 views); M430620 (185 views); M430621 (177 views); M430622 (188 views); M430623 (174 views); M430624 (180 views); M430625 (178 views); M430626 (180 views); M430628 (190 views); M430629 (199 views); M430632 (196 views); M430633 (193 views); M430634 (172 views); M430635 (178 views); M430636 (168 views); M430637 (172 views); M430638 (174 views); M430640 (172 views); M430641 (171 views); M430642 (172 views); M430644 (166 views); M430647 (167 views); M430648 (164 views); M430649 (162 views); M430652 (175 views); M430655 (171 views); M430657 (185 views); M430658 (192 views); M430659 (179 views); M430660 (185 views); M430661 (187 views); M430664 (178 views); M430665 (183 views); M430667 (152 views); |
Folio views | 1270 | Folio list (282 views); Crataegus suksdorfii (Sarg.) Kruschke (diploid ) (214 views); Crataegus suksdorfii (Sarg.) Kruschke (allopolyploid ) (207 views); Crataegus douglasii Lindley (allopolyploid) (194 views); Crataegus chrysocarpa Ashe (tetraploid) (182 views); Crataegus macracantha Lodd. ex Loud. (tetraploid) (191 views); |
Project downloads 
type | number of downloads | Individual items downloaded (where applicable) |
Total downloads from project | 38 | |
Project downloads | 37 | |
Document downloads | 1 | Leaf venation in Pacific Northwest hawthorns (P2523) (1 download); |