ONAGRACEAE, Mezerium  Family

Herbs; leaves alternate or opposite, simple; flowers epigynous, perfect, epigynous hypanthium present or absent; corolla regular or rarely somewhat zygomorphic; sepals and petals usually 4 (2-6); petals separate or rarely none; stamens usually 8 (2-8); carpels usually 4 (2-6), united, locules as many or rarely 1; style1, sometimes short; stigma 1 or with lobes as many as carpels; fruit a capsule or nutlike.

Onagraceae