Supplementary material 1 from: Wei N, Zhong Z-X, Melly DK, Kipkoech S, Watuma BM, Ngumbau VM, Kamau P, Hu G-W, Wang Q-F (2020) Zehneria grandibracteata (Cucurbitaceae), an overlooked new species from western Kenyan forests. PhytoKeys 165: 85-98. https://doi.org/10.3897/phytokeys.165.57399

Modified CTAB protocol on the base of Doyle and Doyle (1987)