Adenostyles alpina
Adenostyles alpina is herbaceous perennial plant belonging to the genus Adenostyles of the family Asteraceae. It is native to the Alps and southern Europe.
Description
This plant grows to a height of about. The inflorescence consists of dense corymbs hold by hairy peduncles. The small heads are usually composed of 3 to 4 flowers. The receptacle is naked or hairless. The flowers are of a tubular type and hermaphroditic. The corolla is cylindrical and pink violet. The length of the flower is of 7–8 mm. The period of flowering is from June until August.Basal leaves are large, kidney-shaped, leaf margin is toothed. The leaves are glabrous on both sides. Size of leaves at the base: width, length. Cauline leaves are arranged in alternating fashion with successively smaller size and are petiolated. Size of lower cauline leaves: width, length.
Distribution and habitat
Adenostyles glabra Is native to the mountains of southern Europe and to the Alps, ranging from Spain to Germany and Albania. The preferred habitat of this species is moist and shady places from elevation.Subspecies
Four subspecies are accepted.- Adenostyles alpina subsp. alpina – Alps to Albania
- Adenostyles alpina subsp. macrocephala – Italy
- Adenostyles alpina subsp. nebrodensis – Sicily
- Adenostyles alpina subsp. pyrenaica – western and Central Pyrenees and northern Spain