Order Gentianales / Gentian Flowers
The Gentianales (Gentians) is an order of flowering plants involving herbs, shrubs, undershrubs, lianas, and small trees primarily distributed worldwide. Plants of Gentianales mostly have opposite leaves, interpetiolar stipules, bisexual flowers, mostly fused sepals and petals, 4-5 stamens, and 2 carpels. Important species under Gentianales are coffee, periwinkle, oleander, and gentian.
