mistletoe leaves with their host

evergreen tree branch christmas mistletoe leaf viscum album park botany shrub european santalaceae forest haustorium host common wallonia xylem background tracheophytes stem angiosperms santalales plantae phloem mystic hemiparasite hemiparasitic eudicots enghien deciduous darkness foliage parasite outdoor nature natural green environment parasitic kiss day twig season medicine leaves plant