Campanula trachelium

Nettle-leaved Bellflower (Campanula trachelium )

The imposing Nettle-leaved Bellflower (Campanula trachelium ) belongs to the Bellflower family ( Campanulaceae ).

Features

The herbaceous plant is perennial and grows to a height of 1.10 m. Your angular, hairy stems and heart - ovate, doubly serrate, hairy leaves can also appear as nettle, the plant at first glance.

Your up to 5 cm large blue flowers open in the typical bell shape. The flowers are arranged in a slightly leafy grapes and delicate ciliated at the edge.

Ecology

The Nettle-leaved flower is a semi- rosette plant.

The flowers are pronounced vormännliche " bluebells with sticky pollen ." Even in the bud pollen is deposited on the brush pen and then later released by retracting the pen hair; one talks of secondary pollen presentation. The stylus is used as a climbing pole for visitors. The stamens are wider at the base and have to be pressed by the visitors to the site so they can get to the nectar. Pollinators are various insects, especially bees, including bumblebees. Since the stigma lobes are finally back to the curved stylus brush, and self-pollination is possible. The blue of the flower fails after adding a drop of acid immediately in red to. The flowering period is between July and August.

The fruits are hanging pores capsules with klappigen openings at the base, which close when wet. Because of the lasting, sepals projecting the fruits are animal - and wind spreader. The very light seeds are also spread as granules flyer; they are light and frost germinator.

Occurrence

The plant prefers moist, deep loam soil, but also notes and stony ground to be content. It occurs in Europe, North Africa and the Near East.

Swell

• Entry to type on FloraWeb
• 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