doi:10.48130/forres-0026-0027

[1]

Zuntini AR, Carruthers T, Maurin O, Bailey PC, Leempoel K, et al. 2024. Phylogenomics and the rise of the angiosperms. Nature 629:843−850

doi: 10.1038/s41586-024-07324-0

[2]

Govaerts R, Nic Lughadha E, Black N, Turner R, Paton A. 2021. The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8:215

doi: 10.1038/s41597-021-00997-6

[3]

Barrett SC. 2002. The evolution of plant sexual diversity. Nature Reviews Genetics 3:274−284

doi: 10.1038/nrg776

[4]

Zhao J, He Y, Zhang H, Wang Z. 2024. Advances in the molecular regulation of seed germination in plants. Seed Biology 3:e006

doi: 10.48130/seedbio-0024-0005

[5]

Qian D, Wang M, Niu Y, Yang Y, Xiang Y. 2025. Sexual reproduction in plants under high temperature and drought stress. Cell Reports 44:115390

doi: 10.1016/j.celrep.2025.115390

[6]

Meissner ST. 2021. Plant sexual reproduction: perhaps the current plant two-sex model should be replaced with three- and four-sex models? Plant Reproduction 34:175−189

doi: 10.1007/s00497-021-00420-5

[7]

Armenta-Medina A, Gillmor CS, Gao P, Mora-Macias J, Kochian LV, et al. 2021. Developmental and genomic architecture of plant embryogenesis: from model plant to crops. Plant Communications 2:100136

doi: 10.1016/j.xplc.2020.100136

[8]

Goldraij A, Roldán JA, Rojas HJ. 2012. Early F-actin disorganization may be signaling vacuole disruption in incompatible pollen tubes of Nicotiana alata. Plant Signaling & Behavior 7:1695−1697

doi: 10.4161/psb.22423

[9]

Yao X, Hu W, Yang ZN. 2022. The contributions of sporophytic tapetum to pollen formation. Seed Biology 1:5

doi: 10.48130/SeedBio-2022-0005

[10]

Peng G, Liu Z, Zhuang C, Zhou H. 2023. Environment-sensitive genic male sterility in rice and other plants. Plant, Cell & Environment 46:1120−1142

doi: 10.1111/pce.14503

[11]

Pesendorfer MB, Ascoli D, Bogdziewicz M, Hacket-Pain A, Pearse IS, et al. 2021. The ecology and evolution of synchronized reproduction in long-lived plants. Philosophical Transactions of the Royal Society of London Series B, Biological Sciences 376:20200369

doi: 10.1098/rstb.2020.0369

[12]

Martini F, Zou C, Goodale UM. 2019. Intrinsic biotic factors and microsite conditions drive seedling survival in a species with masting reproduction. Ecology and Evolution 9:14261−14272

doi: 10.1002/ece3.5861

[13]

Hacket-Pain AJ, Friend AD, Lageard JG, Thomas PA. 2015. The influence of masting phenomenon on growth-climate relationships in trees: explaining the influence of previous summers' climate on ring width. Tree Physiology 35:319−330

doi: 10.1093/treephys/tpv007

[14]

Albani MC, Coupland G. 2010. Comparative analysis of flowering in annual and perennial plants. Current Topics in Developmental Biology 91:323−348

doi: 10.1016/s0070-2153(10)91011-9

[15]

Schmid MW, Schmidt A, Grossniklaus U. 2015. The female gametophyte: an emerging model for cell type-specific systems biology in plant development. Frontiers in Plant Science 6:907

doi: 10.3389/fpls.2015.00907

[16]

Xu Y, Jia H, Tan C, Wu X, Deng X, et al. 2022. Apomixis: genetic basis and controlling genes. Horticulture Research 9:uhac150

doi: 10.1093/hr/uhac150

[17]

Xu Y, Jia H, Wu X, Koltunow AMG, Deng X, et al. 2021. Regulation of nucellar embryony, a mode of sporophytic apomixis in Citrus resembling somatic embryogenesis. Current Opinion in Plant Biology 59:101984

doi: 10.1016/j.pbi.2020.101984

[18]

Lu N, Zhang M, Xiao Y, Han D, Liu Y, et al. 2019. Construction of a high-density genetic map and QTL mapping of leaf traits and plant growth in an interspecific F1 population of Catalpa bungei × Catalpa duclouxii Dode. BMC Plant Biology 19:596

doi: 10.1186/s12870-019-2207-y

[19]

Morimoto T, Narazaki R, Okabe H, Zhang L, Nishimura K, et al. 2024. Introduction of a diverse genetic background of Pyrus into Malus through intergeneric hybridization. Molecular Genetics and Genomics 299:21

doi: 10.1007/s00438-024-02131-8

[20]

Sun J, Huang D, Xia S, Zhang Y, Tao J. 2024. Research progress of woody oil crops in China: a review. Seed Biology 3:e008

doi: 10.48130/seedbio-0024-0006

[21]

Sun L, Nie T, Chen Y, Yin Z. 2022. From floral induction to blooming: the molecular mysteries of flowering in woody plants. International Journal of Molecular Sciences 23:10959

doi: 10.3390/ijms231810959

[22]

Jansson S, Douglas CJ. 2007. Populus: a model system for plant biology. Annual Review of Plant Biology 58:435−458

doi: 10.1146/annurev.arplant.58.032806.103956

[23]

Guo Q, Cao S, Dong L, Li X, Zhang J, et al. 2022. Genetic diversity and population structure of Robinia pseudoacacia from six improved variety bases in China as revealed by simple sequence repeat markers. Journal of Forestry Research 33:611−621

doi: 10.1007/s11676-021-01356-2

[24]

Guo Q, Sun Y, Zhang J, Li Y. 2022. Variation of phenotypic and physiological traits of Robinia pseudoacacia L. from 20 provenances. PLoS One 17:e0262278

doi: 10.1371/journal.pone.0262278

[25]

Puchałka R, Dyderski MK, Vítková M, Sádlo J, Klisz M, et al. 2021. Black locust (Robinia pseudoacacia L.) range contraction and expansion in Europe under changing climate. Global Change Biology 27:1587−1600

doi: 10.1111/gcb.15486

[26]

Hsu CY, Adams JP, Kim H, No K, Ma C, et al. 2011. FLOWERING LOCUS T duplication coordinates reproductive and vegetative growth in perennial poplar. Proceedings of the National Academy of Sciences of the United States of America 108:10756−10761

doi: 10.1073/pnas.1104713108

[27]

Yuan H, Hu B, Liu Z, Sun H, Zhou M, et al. 2022. Physiological responses of black locust-rhizobia symbiosis to water stress. Physiologia Plantarum 174:e13641

doi: 10.1111/ppl.13641

[28]

Vítková M, Tonika J, Müllerová J. 2015. Black locust—successful invader of a wide range of soil conditions. Science of the Total Environment 505:315−328

doi: 10.1016/j.scitotenv.2014.09.104

[29]

Sun H, Liu R, Yuan H, Zhou M, Liu Z, et al. 2023. Interaction of nitrogen availability in the soil with leaf physiological traits and nodule formation of Robinia pseudoacacia-rhizobia symbiosis depends on provenance. Plant and Soil 490:239−259

doi: 10.1007/s11104-023-06069-5

[30]

Dini-Papanastasi O. 2008. Effects of clonal selection on biomass production and quality in Robinia pseudoacacia var. monophylla Carr. Forest Ecology and Management 256:849−854

doi: 10.1016/j.foreco.2008.05.049

[31]

Oroian M, Dranca F, Ursachi F. 2022. Characterization of Romanian bee pollen-an important nutritional source. Foods 11:2633

doi: 10.3390/foods11172633

[32]

Meng JG, Xu YJ, Wang WQ, Yang F, Chen SY, et al. 2023. Central-cell-produced attractants control fertilization recovery. Cell 186:3593−3605.e12

doi: 10.1016/j.cell.2023.06.024

[33]

Meng JG, Liang L, Jia PF, Wang YC, Li HJ, et al. 2020. Integration of ovular signals and exocytosis of a Ca²⁺ channel by MLOs in pollen tube guidance. Nature Plants 6:143−153

doi: 10.1038/s41477-020-0599-1

[34]

Chen C, Chen H, Zhang Y, Thomas HR, Frank MH, et al. 2020. TBtools: an integrative toolkit developed for interactive analyses of big biological data. Molecular Plant 13:1194−1202

doi: 10.1016/j.molp.2020.06.009

[35]

Tamura K, Stecher G, Peterson D, Filipski A, Kumar S. 2013. MEGA6: molecular evolutionary genetics analysis version 6.0. Molecular Biology and Evolution 30:2725−2729

doi: 10.1093/molbev/mst197

[36]

Dai L, Sun P, Jiang JY, Hu RY, Sun YH, et al. 2012. Comparative analysis of pollen germination between different black locusts. Journal of Northeast Forestry University 40:1−5 (in Chinese)

doi: 10.13759/j.cnki.dlxb.2012.01.020

[37]

Mendrinna A, Persson S. 2015. Root hair growth: it's a one way street. F1000Prime Reports 7:23

doi: 10.12703/P7-23

[38]

Sun C, Zhang Y, Liu L, Liu X, Li B, et al. 2021. Molecular functions of nitric oxide and its potential applications in horticultural crops. Horticulture Research 8:71

doi: 10.1038/s41438-021-00500-7

[39]

Qian D, Li T, Zheng C, Wang M, Chen S, et al. 2025. Heat-stable protein PGSL1 enhances pollen germination and tube growth at high temperature. Nature Communications 16:3642

doi: 10.1038/s41467-025-58869-1

[40]

Qian D, Li T, Chen S, Wan D, He Y, et al. 2024. Evolution of the thermostability of actin-depolymerizing factors enhances the adaptation of pollen germination to high temperature. The Plant Cell 36:881−898

doi: 10.1093/plcell/koad280

[41]

Jin X, Mizukami AG, Okuda S, Higashiyama T. 2025. Investigating vesicle-mediated regulation of pollen tube growth through BFA inhibition and AS-ODN targeting of TfRABA4D in Torenia fournieri. Horticulture Research 12:uhaf018

doi: 10.1093/hr/uhaf018

[42]

Boisson-Dernier A, Roy S, Kritsas K, Grobei MA, Jaciubek M, et al. 2009. Disruption of the pollen-expressed FERONIA homologs ANXUR1 and ANXUR2 triggers pollen tube discharge. Development 136:3279−3288

doi: 10.1242/dev.040071

[43]

Ge Z, Bergonci T, Zhao Y, Zou Y, Du S, et al. 2017. Arabidopsis pollen tube integrity and sperm release are regulated by RALF-mediated signaling. Science 358:1596−1600

doi: 10.1126/science.aao3642

[44]

Kim YJ, Kim MH, Hong WJ, Moon S, Kim ST, et al. 2021. OsMTD2-mediated reactive oxygen species (ROS) balance is essential for intact pollen-tube elongation in rice. The Plant Journal 107:1131−1147

doi: 10.1111/tpj.15373

[45]

Zhang X, Liu W, Nagae TT, Takeuchi H, Zhang H, et al. 2017. Structural basis for receptor recognition of pollen tube attraction peptides. Nature Communications 8:1331

doi: 10.1038/s41467-017-01323-8

[46]

Takeuchi H, Higashiyama T. 2016. Tip-localized receptors control pollen tube growth and LURE sensing in Arabidopsis. Nature 531:245−248

doi: 10.1038/nature17413

[47]

Lu N, Xu Z, Meng B, Sun Y, Zhang J, et al. 2014. Proteomic analysis of etiolated juvenile tetraploid Robinia pseudoacacia branches during different cutting periods. International Journal of Molecular Sciences 15:6674−6688

doi: 10.3390/ijms15046674

[48]

Yuan C, Sun Y, Sun P, Li Y, Hu R, et al. 2016. Ovule positions within linear fruit are correlated with nonrandom mating in Robinia pseudoacacia. Scientific Reports 6:36664

doi: 10.1038/srep36664

[49]

Yuan CQ, Sun YH, Li YF, Zhao KQ, Hu RY, et al. 2014. Selection occurs within linear fruit and during the early stages of reproduction in Robinia pseudoacacia. BMC Evolutionary Biology 14:53

doi: 10.1186/1471-2148-14-53

[50]

Akagi T, Pilkington SM, Varkonyi-Gasic E, Henry IM, Sugano SS, et al. 2019. Two Y-chromosome-encoded genes determine sex in kiwifruit. Nature Plants 5:801−809

doi: 10.1038/s41477-019-0489-6

[51]

Tsukamoto T, Hauck NR, Tao R, Jiang N, Iezzoni AF. 2010. Molecular and genetic analyses of four nonfunctional S haplotype variants derived from a common ancestral S haplotype identified in sour cherry (Prunus cerasus L.). Genetics 184:411−427

doi: 10.1534/genetics.109.109728

[52]

Finka A, Cuendet AF, Maathuis FJ, Saidi Y, Goloubinoff P. 2012. Plasma membrane cyclic nucleotide gated calcium channels control land plant thermal sensing and acquired thermotolerance. The Plant Cell 24:3333−3348

doi: 10.1105/tpc.112.095844

[53]

Saidi Y, Finka A, Muriset M, Bromberg Z, Weiss YG, et al. 2009. The heat shock response in moss plants is regulated by specific calcium-permeable channels in the plasma membrane. The Plant Cell 21:2829−2843

doi: 10.1105/tpc.108.065318

[54]

Muhlemann JK, Younts TLB, Muday GK. 2018. Flavonols control pollen tube growth and integrity by regulating ROS homeostasis during high-temperature stress. Proceedings of the National Academy of Sciences of the United States of America 115:E11188−E11197

doi: 10.1073/pnas.1811492115

[55]

Melser C, Klinkhamer PG. 2001. Selective seed abortion increases offspring survival in Cynoglossum officinale (Boraginaceae). American Journal of Botany 88:1033−1040

doi: 10.2307/2657085

[56]

Meyer KM, Soldaat LL, Auge H, Thulke HH. 2014. Adaptive and selective seed abortion reveals complex conditional decision making in plants. The American Naturalist 183:376−383

doi: 10.1086/675063

[57]

Wiens D, Calvin CL, Wilson CA, Davern CI, Frank D, et al. 1987. Reproductive success, spontaneous embryo abortion, and genetic load in flowering plants. Oecologia 71:501−509

doi: 10.1007/bf00379288

[58]

Wang Z, Zhang X, Lei W, Zhu H, Wu S, et al. 2023. Chromosome-level genome assembly and population genomics of Robinia pseudoacacia reveal the genetic basis for its wide cultivation. Communications Biology 6:797

doi: 10.1038/s42003-023-05158-6

[59]

Du K, Zhang D, Ma J, Dan Z, Wen X, et al. 2025. Effect of ultra-low temperature storage on the viability of pepper pollen and its implications for hybrid breeding. Frontiers in Plant Science 16:1516016

doi: 10.3389/fpls.2025.1516016

[60]

Farmer RE Jr, Barnett PE. 1974. Low-temperature storage of black walnut pollen. Cryobiology 11:366−367

doi: 10.1016/0011-2240(74)90013-3

[61]

Fitter AH, Fitter RSR. 2002. Rapid changes in flowering time in British plants. Science 296:1689−1691

doi: 10.1126/science.1071617

[62]

Prevéy J, Vellend M, Rüger N, Hollister RD, Bjorkman AD, et al. 2017. Greater temperature sensitivity of plant phenology at colder sites: implications for convergence across northern latitudes. Global Change Biology 23:2660−2671

doi: 10.1111/gcb.13619