Sonchus acaulis

Sonchus acaulis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Cichorieae
Genus: Sonchus
Species: S. acaulis
Binomial name
Sonchus acaulis
Dum.-Cours. 1811[1]

Sonchus acaulis is a plant species in the dandelion tribe within the daisy family. It is found only on the Canary Islands of Gran Canaria and Tenerife.

Description

Perennial. Base woody. Leaves in a single large basal rosette up to 1 m across; pinnatifid, wooly, with a pointy tip. Scape up to 1.5 m, without bracts. Inflorescence an umbellate group of flower heads. Peduncles with 1 to several heads, wooly. Involucral bracts broad, very densely white-tomentose. Heads about 2.5 cm across with numerous yellow ray flowers but no disc flowers.[2]

Distribution

Tenerife: Widespread in forest and xerophytic zones, Sierra Anaga to Teno particularly along the northern coast. Gran Canaria: Montane regions, Los Tiles de Moya, Tenteniguada, Cruz de Tejeda, Roque Nublo, etc, 500-1600 m, locally frequent.

References

  1. ↑ The International Plant Names Index
  2. ↑ David Bramwell and Zoë Bramwell. Wild Flowers of the Canary Islands. Editorial Rueda, Madrid, España. 2001. ISBN 84-7207-129-4
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