Hypericum pulchrum

Beautiful St. John's wort (Hypericum pulchrum )

The beauty of St. John's wort (Hypericum pulchrum ), also called Beautiful Hartheu, is a plant that belongs to the genus of locust herbs.

Description

The beauty of St. John's wort is a perennial, herbaceous plant that reaches the plant height of 15 to 80 centimeters. The plant parts are bare. The upright stems are terete. The opposite is constantly sitting on the stems leaves are broadly triangular heart-shaped, and there at the widest end up dull and translucent glandular dots with a length of 0.5 to 2 cm at the base, as well as on the leaf margin without black glands.

It flowers from July to September. The flowers are arranged in a loose paniculate inflorescence. The hermaphrodite flowers have a double perianth. The sepals are of a length of 2 to 3 mm wide ovate, obtuse and dotted black glandular at the edge. The free, golden yellow, often reddish crowded petals are 6-9 mm long. The many stamens are grouped into bundles.

Ecology

The beauty of St. John's wort is an evergreen Chamaephyt. The leaves change color by anthocyanins, which serve as light, dark.

The fruits are septicidal capsules that act as wind and animal shakers. Vegetative propagation is done by underground runners.

Occurrence

Others

This type contains the red dye in the flowers hypericin, which in animals, the light can cause disease. Because of the red hypericin and its wound healing effect that St. John's wort is also called Jesus' wounds herb.

More images

Swell

• Dietmar Aichele: What flowers there? The photo book. 5th edition, cosmos, Stuttgart, 2004, 446 pp., ISBN 3-440-10281-5
• R. Duell / H. Kutzelnigg: Pocket Dictionary of Plants in Germany and neighboring countries, 7th Edition, Quelle & Meyer Verlag, 2011, ISBN 978-3-494-01424-1
• Beautiful St. John's wort. In: FloraWeb.de.