Aichryson
Aichryson
8 species Crassulaceae
Morphological Summary
Genus of annual and biennial succulent plants endemic to Macaronesia, principally the Canary Islands, with some species in Madeira, the Azores, and Cape Verde. They form rosettes of small, fleshy, hairy leaves ranging from green to reddish, with yellow star-shaped flowers. They grow in humid, shaded areas of ravines, laurel forests, and rocky volcanic slopes.
Distribution Canary Islands (principally), Madeira, Azores, Cape Verde
Conservation Several species vulnerable or endangered due to distribution restricted to individual islands
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Gran Canaria endemicVulnerable
Aichryson bethencourtianum Bolle
Bethencourt's aichryson
Specimen ID RN-AICH-00001
Origin Gran Canaria (Islas Canarias)
Type Humid laurel forest, north-facing ravines of Gran Canaria
DocumentedMacaronesia
Aichryson dichotomum (DC.) Webb & Berthel.
Branching aichryson
Specimen ID RN-AICH-00002
Origin Islas Canarias (Tenerife, Gran Canaria, La Palma, La Gomera)
Type Laurel forest, humid ravines, 400–1000 m
DocumentedArid zones
Aichryson laxum (Haw.) Bramwell
Lax aichryson
Specimen ID RN-AICH-00003
Origin Gran Canaria, Tenerife, Lanzarote
Type Arid and semi-arid lowland zones, volcanic rocks
eco
DocumentedMacaronesia endemic
Aichryson pulchellum C.A.Mey.
Pretty aichryson
Specimen ID RN-AICH-00004
Origin Tenerife, Gran Canaria, Madeira
Type Rocky slopes and ravines, 200–800 m
La Gomera/La Palma endemicVulnerable
Aichryson pygmaeum (C.Sm. ex Link) Webb & Berthel.
Dwarf aichryson
Specimen ID RN-AICH-00005
Origin La Gomera, La Palma (Islas Canarias)
Type Dense humid laurel forest, rock crevices
La Palma endemicVulnerable
Aichryson radicescens Webb & Berthel.
Rooting aichryson
Specimen ID RN-AICH-00006
Origin La Palma (Islas Canarias)
Type Humid laurel-type forest, shaded slopes and rocks
DocumentedXerophyte
Aichryson sedifolium Webb ex Bolle
Sedum-leaved aichryson
Specimen ID RN-AICH-00007
Origin Gran Canaria, Tenerife (Islas Canarias)
Type Semi-arid lowland zones, sunny slopes, 0–600 m
DocumentedMost widespread
Aichryson tortuosum (Aiton) Webb & Berthel.
Twisted aichryson
Specimen ID RN-AICH-00008
Origin Tenerife, Gran Canaria, La Palma, La Gomera, El Hierro, Lanzarote
Type Scrubland, ravines, laurel forest and arid zones, 0–1200 m