Why Do Weeping Willows Weep?

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Most trees reach for the sun – but not the weeping willow. Why? LEARN MORE ************** To learn more about this topic, start your googling with these keywords: - Hormones: chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions SUPPORT MINUTEEARTH ************************** If you like what we do, you can help us!: - Become our patron: https://patreon.com/MinuteEarth - Our merch: http://dftba.com/minuteearth - Our book: https://minuteearth.com/books - Share this video with your friends and family - Leave us a comment (we read them!) CREDITS ********* Kate Yoshida | Script Writer, Narrator and Director Lizah van der Aart | Illustration, Video Editing and Animation Nathaniel Schroeder | Music MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info OUR STAFF ************ Lizah van der Aart • Sarah Berman • Cameron Duke Arcadi Garcia i Rius • David Goldenberg • Melissa Hayes Alex Reich • Henry Reich • Peter Reich Ever Salazar • Leonardo Souza • Kate Yoshida OUR LINKS ************ Youtube | https://youtube.com/MinuteEarth TikTok | https://tiktok.com/@minuteearth Twitter | https://twitter.com/MinuteEarth Instagram | https://instagram.com/minute_earth Facebook | https://facebook.com/Minuteearth Website | https://minuteearth.com Apple Podcasts| https://podcasts.apple.com/us/podcast/minuteearth/id649211176 REFERENCES ************** Hollender C, Dardick C (2015). Molecular basis of angiosperm tree architecture. New Phytol. 206(2):541-56. https://doi.org/10.1111/nph.13204. Li L, Zhang Y, Zheng T, Zhuo X, Li P, Qiu L, Liu W, Wang J, Cheng T, Zhang Q (2021). Comparative gene expression analysis reveals that multiple mechanisms regulate the weeping trait in Prunus mume. Sci Rep 29;11(1):2675. https://doi.org/10.1038/s41598-021-81892-3. Liu J, Zeng Y, Yan P, He C, and Zhang J (2017). Transcriptional and Hormonal Regulation of Weeping Trait in Salix matsudana. Genes 8(12): 359. https://doi.org/10.3390/genes8120359 Remphrey, William R.; Pearn, Linda P. (2006). Crown architecture development in Salix ‘Prairie Cascade’, a pendulous willow. Canadian Journal of Botany, 84(10): 1531–1541. https://doi.org/10.1139/b06-115 Santamour F & McArdle A (1988). Cultivars of Salix babylonica and other Weeping Willows. Journal of Arboriculture 14: 180-184. https://doi.org/10.48044/jauf.1988.044 Sugano M, Nakagawa Y, Nyunoya H, Nakamura T (2004). Expression of gibberellin 3β-hydroxylase gene in a gravi-response mutant, weeping Japanese flowering cherry. Biological Sciences in Space 18 (4): 261-266. https://doi.org/10.2187/bss.18.261 Zhang, Y., T. Zheng, X. Zhuo and Q. Zhang, 2019. Morphological and genetic studies on weeping tree architecture in ornamental plants. Intl. J. Agric. Biol., 22: 1037–1042. https://doi.org/10.17957/IJAB/15.1166