Comparative analysis of NF-Y transcription factors in four orchids with expression insights from Gastrodia elata 1College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, China 2China Strait Horticulture Technology Innovation Hub, College of Landscape Architecture and Art, Fujian Agriculture and Forestry University, Fuzhou, China DOI 10.7717/peerj.21105 Academic Editor Diaa Abd El-Moneim Subject Areas Agricultural Science, Bioinformatics, Genetics Keywords NF-Y gene family,...