ROMSO Cyprus Knowledge Base
Rupright herb
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Ruprechtskraut (Geranium robertianum), also known as Stinking Stork beak or Stork beak, is a plant species from the genus Stork beak (Geranium) within the family of Stork beaks (Geraniaceae).
Description
Vegetative characteristics
Ruprechtskraut is a sometimes one- or usually two-year-old herbaceous plant that reaches growth heights of 10 to 55, rarely up to 67 or more centimeters. The aerial plant parts are fluffy with 0.4 to 1 millimeter long glandular hair (indument). It grows strongly branched and emits a strong unpleasant fragrance due to essential oil. The upright or low-lying stems are haired with different trichomes and do not root at their nodes.
The foliage leaves arranged at the bottom and opposite sides of the stem are divided into leaf stem and spread. The leaf stem is 1.8 to 4.4 centimeters long and fluffy shaggy haired. The three- to five-piece hand-shaped leaf spreads are usually 4.4 to 7 (3.5 to 10) centimeters long and 3 to 7.5, rarely up to 10 centimeters wide. The three or five leaf sections are feather-shaped with blunt upper ends, are spike-pointed. The free, greenish side leaves are egg-shaped with an obtuse or short pointed upper end at a length of usually 2 to 4.1 (1.6 to 4.9) millimeters and a width of 0.8 to 2.5 millimeters.
Generative characteristics
The flowering period extends from April to autumn. On the haired with different trichomes, usually 2.7 to 5.4 (1.3 to 9.4) In the dichasial cymous inflorescence, the flowers come together in pairs. The cover sheets are egg-shaped or lancet-like at a length of 0.6 to 1.8 and a width of 0.2 to 1 millimeter. The flower stalk haired with different trichomes is 0.6 to 1.2 (0.3 to 2) centimeters long.
The relatively small, twilight or one-sex flowers are radiarly symmetrical and five-fold with a double flower shell. The five free chalice leaves are lancet, egg-shaped or elongated at a length of 5.6 to 6.5 (5 to 7.2) millimetres and a width of 1.6 to 3.9 millimetres. The chalice leaves are jug-shaped together. The chalice is set with 1 to 4 millimetres long glandless hair and shorter glandular hair. The chalice leaves have a grain 1.5 to 2.5 millimeters long. The five reddish-pink, three-nerved crown leaves are at a length of usually 10.5 to 12.5 (8.5 to 14.2) millimeters twice as long as the chalice leaves and usually 2.6 to 4.5 (2.1 to 6.1) millimeters wide. The crown leaf is divided into nail and plate. The bald nail is 3.1 to 5.9 millimeters long. The plate is inverted-uniform with a rounded upper end and tapers towards its base. The five bare nectars are annularly fused. There are two circles with five stamens each