PT - JOURNAL ARTICLE AU - Santamour, Frank S. TI - Flavonoid Distribution in <em>Zelkova</em> AID - 10.48044/jauf.1983.047 DP - 1983 Jul 01 TA - Arboriculture &amp; Urban Forestry (AUF) PG - 190--192 VI - 9 IP - 7 4099 - http://auf.isa-arbor.com/content/9/7/190.short 4100 - http://auf.isa-arbor.com/content/9/7/190.full AB - Each of the five species of Zelkova tested could be distinguished by the qualitative or quantitative distribution of flavonol glycosides. Thus, the verification of interspecific hybrids might be achieved by flavonoid analyses. Such analyses indicted that Z. X verschaffeltii is actually a rare hybrid between Z. carpinifolia and Z. serrata.