Hypericum humifusum

Low- Lying John's wort ( Hypericum humifusum )

The low- lying St. John's wort (Hypericum humifusum ), also called Lying Hartheu, a plant belonging to the family of St. John's wort plants is ( Hypericaceae ). The low- lying St. John's wort is one of the smallest representative of the locust herbs ( Hypericum ). This species has prostrate stems and small flowers. She prefers clearings with low lime soils.

Identifying

The petite annual to perennial plant achieved stature heights 5-15 sometimes 30 cm. It is characterized by a hollow, prostrate creeping stems, which acts thready and is almost two -edged. The 5 to 15 mm long, narrow - elliptic and blue -green colored leaves are alternate.

Per plant (usually one to four ) formed only a few flowers. The lanceolate sepals and ganzrandigen are unequal in size, short apiculate and black glandular. The fresh yellow petals are about 4-7 mm long. The flowering period extends from June to September.

Habit

Occurrence

The pioneer joyful Hypericum humifusum settled mostly short-lived Mud Soil- pioneer corridors and creep and kick lawn. He can be found on krumenfeuchten, sandy to loamy fields, roadsides and in moist clearings throughout Germany. It is considered humidity pointer. Otherwise, its area of ​​distribution is limited to the meridional - temperate zone of Central Europe and England.

According to the ecological indicator values ​​according to Ellenberg the type is specified as a semi shade plant for maritime climate. The Procumbent St. John's wort preferably evenly moistened but not wet soils, which are more acidic and low in nitrogen.

Ecology

The Procumbent St. John's wort is an annual, winter or summer annual, in the mild climate also perennial creeper. The relatively small flowers have also just a few stamens. Most self-pollination takes place, in part, is also cleistogamy ago. The seeds are difficult to wet spread probably Regenschwemmlinge as well as together with earth upon entering.