Barberry Family: 6 petals and 6 sepals. The leaves are alternate, and simple to compound. The leaves do not have parallel veins.
Birthwort Family: The maroon or greenish flowers have 3 long, thin sepals that snake out from the cup-like flower. This one has no petals. The flower is typically on the ground, hidden by the large, evergreen, heart-shaped leaves. The leaves do not have parallel veins.
Buckwheat Family: Numerous small flowers in clusters, each flower consisting of 4, 5, or 6 green or colored petal-like sepals. No true petals are present. Stamens 6 or 9 and ovary superior. Leaves alternate.
Iris Family: Flowers either with sepals and petals similarly sized and shaped in a flat circle of 6 (the genus Sisyrinchium) or with each of the 3 narrow petals directly above one of the 3 wide sepals as in our domestic Iris. The leaves are narrow to wide, sword-like, and arising from one another. Leaves with parallel veins.
Lily Family: Sepals and petals similarly colored and shaped, and in multiples of 3's. Stamens 3 or 6. Leaves grass-like, onion-like, or broader in width. Leaves with parallel veins.
Meadow-foam Family: Sepals and petals are 3 for the genus Floerkea, or 4-5 for the genus Limnanthes.
Orchid Family: Orchid flowers are irregularly shaped, with petals of different sizes and shapes. The 2 side petals are similar, but the lower lip petal is usually larger. The sepals are similar in shape and size. Leaves with parallel veins.