Galium glaucum

Bluegreen bedstraw ( Galium glaucum )

The Blue Green bedstraw ( Galium glaucum ) is a flowering plant in the family Rubiaceae ( Rubiaceae ). It comes in Central Europe usually rare. Their range extends from Spain to Central to South East Europe.

Description

The Blue Green bedstraw is a perennial, herbaceous plant, reaching the heights of growth of mostly 20 to 80 cm. It forms a richly branched, red rhizome as Überdauerungsorgan. The round in cross-section to slightly square stems growing erect, sparsely branched and is completely bald, just at the base sometimes find a few hairs.

The leaves are borne in a whorl of eight to ten. The simple leaf blades are linear, with a width of 1.5 to 2.5 mm, with a rounded upper end on a short spike tip sits. The upper leaf surface is dark green and the leaf underside is blue-green. The foliage leaf margin is rolled back.

The Blue Green bedstraw flowers mainly in the months of May to July, sometimes even in September. The inflorescence is loose trugdoldig. The approximately 2 mm long, white, rarely reddish crown is funnel-shaped and vierspaltig more than half.

Smooth fruit has a length of 2 to 2.5 mm.

Occurrence

The Blue Green bedstraw comes from Spain to Central to South East Europe before. East of it penetrates to Southwest Asia.

In Germany Galium glaucum is rare. Only in the Swabian Alb and in Anhalt and Thuringia, it happens frequently. In Austria there is in the Pannonian area scattered, otherwise rare. In places, it is considered endangered. In Switzerland, the Blue Green bedstraw is rare to find.

Galium glaucum grows on lime - poor grassland, on sunny slopes and in sparse bushes. It prefers dry, warm, mostly calcareous and stony clay soils.