ULMACEAE, Elm Family
Trees and shrubs; leaves alternate, 2·ranked, simple, petioled, stipules early deciduous; flowers hypogynous or perigynous, bisporangiate or monosporangiate; petals none; stamens usually the same number as sepals and opposite them; carpels 2, united; styles short or absent; stigmas 2; ovary l-Ioculed, with 1 ovule; fruit a samara or a drupe.
Ulmaceae