Hypericum collinumHypericum collinum is a flowering plant in the family Hypericaceae which is found in Mexico.DescriptionH. collinum is a wiry perennial herb that grows tall. It grows upright with branches on the upper portion that can be divergent to ascending. Its stems lack glands, have two lines, are double-edged above and terete below, and appear as if they are beginning to turn the color of wine red. There are around 10–30 millimeters of stem between each leaf node.