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Adenostyles alpina

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Adenostyles alpina
Plant of Adenostyles alpina
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Adenostyles
Species:
A. alpina
Binomial name
Adenostyles alpina
(L.) Bluff. & Fingerh.
Subspecies[1]

4; see text

Synonyms
  • Adenostyles glabra (Clairv.) DC.
  • Adenostyles calcarea Brügger
  • Adenostyles virdis Cass.
  • Cacalia alpina L.

Adenostyles alpina is herbaceous perennial plant belonging to the genus Adenostyles of the family Asteraceae. It is native to the Alps and southern Europe.[1]

Description

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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).

Inflorescence of Adenostyles alpina
Leaf of Adenostyles alpina

Distribution and habitat

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Adenostyles glabra Is native to the mountains of southern Europe and to the Alps, ranging from Spain to Germany and Albania.[1] The preferred habitat of this species is moist and shady places from 300–1,200 metres (980–3,940 ft) elevation.

Subspecies

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Four subspecies are accepted.[1]

  • Adenostyles alpina subsp. alpina – Alps to Albania
  • Adenostyles alpina subsp. macrocephala (Huter, Porta & Rigo) Dillenb. & Kadereit – Italy
  • Adenostyles alpina subsp. nebrodensis (Wagenitz & I.Müll.) Greuter – Sicily
  • Adenostyles alpina subsp. pyrenaica (Lange) Dillenb. & Kadereit – western and Central Pyrenees and northern Spain

References

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  1. ^ a b c d "Adenostyles alpina (L.) Bluff & Fingerh". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 28 October 2024.
  • Sandro Pignatti - Flora d'Italia – Edagricole, pag. 15
  • Flora europaea
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