Sonchus acaulis is a plant species in the tribe Cichorieae within the family Asteraceae. It is found only on the Canary Islands of Gran Canaria and Tenerife.
Sonchus acaulis | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Genus: | Sonchus |
Species: | S. acaulis
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Binomial name | |
Sonchus acaulis Dum.-Cours. 1811[1]
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Description
editPerennial. 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
editTenerife: 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
edit- ^ The International Plant Names Index
- ^ David Bramwell and Zoë Bramwell. Wild Flowers of the Canary Islands. Editorial Rueda, Madrid, España. 2001. ISBN 84-7207-129-4
External links
edit- Plant Lust numerous photos
- Dave's Garden plant files
- Flora de Canarias
- Calphotos photo gallery, University of California