Scabiosa ochroleuca
Yellow Scabiosa ( Scabiosa ochroleuca )
The Yellow Pincushion flower or yellow scabious ( Scabiosa ochroleuca ) is a plant of the genus scabious ( Scabiosa ).
Description
The Yellow Pincushion Flower is a hemikryptophytische, 2 - to perennial herbaceous plant that reaches the heights of growth between 20 and 60 cm. The stem is usually branched and often hairy. The basal leaves are usually 1 × pinnatisect with a eilanzettlichen terminal leaflet, underside hairy on the nerves. The opposite, middle stem leaves are 1-2 times pinnatisect, short hair curly, its lateral lobes are 0.5-2 mm wide. The Endzipfel are barely wider than the side lobes.
The inflorescences are surrounded by bracts head with a diameter of 1.5-3.5 cm. The cage floor has chaff leaves. The flowers are zwitterblütig, protandrous, with outer calyx. The marginal flowers are radiant. The calyx has five striking red fox (later brownish ) calyx bristles. The verwachsenblättrige crown is 5 rows, pale to bright yellow, usually with four stamens and a stylus. The ovary is inferior.
The Yellow Pincushion Flower flowers from July to November and fruiting from July to December. The fruit is a nut ( achene ), which is spread by the wind ( Anemochorie ).
Chromosome number 2n = 16
Ecology
Pollination is mainly by bees, bumblebees and hoverflies, but to a lesser extent by other insects.
Dissemination
The Yellow Pincushion Flower preferred dry meadows, dry meadows, slopes, embankments and occurs even on slag heaps. It is something kalkliebend and grows from the colline to montane levels.
The Yellow Pincushion Flower is particularly common in Southeast Europe and the Eastern Central Europe. In Austria it is not in the West before, in the Pannonian area it is common in Germany, it occurs in the eastern highlands and lowlands.
System
The Yellow Pincushion Flower in the Balkans has a number of closely related species. The two subspecies subsp. danubialis and subsp. rhodopea be viewed in the Flora Europaea as transitions to Scabiosa triniifolia.