Scientific name Adenostyles glabra
|Similar Adenostyles, Adenostyles alliariae, Adenostyles leucophylla, Achillea atrata, Cacalia|
Adenostyles alpina is herbaceous perennial plant belonging to the genus Adenostyles of the Asteraceae family.
This plant grows to a height of about 60 centimetres (24 in). The inflorescence consists of dense corymbs hold by hairy peduncles. The small heads are usually composed of 3 to 4 flowers. The receptacle (the part that collects and maintains individual flowers) 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 12–14 centimetres (4.7–5.5 in), length 10–11 centimetres (3.9–4.3 in). Cauline leaves are arranged in alternating fashion with successively smaller size and are petiolated. Size of lower cauline leaves: width 10–14 centimetres (3.9–5.5 in), length 6–8 centimetres (2.4–3.1 in).
Distribution and habitat
The area of origin of the species is considered the mountainous southern Europe. Altitude: 300–1,200 metres (980–3,940 ft) above sea level. The preferred habitat of this species are moist and shady places.