Monanthes

Monanthes is a genus of small, succulent, subtropical plants of the family Crassulaceae. The about ten species are mostly endemic to the Canary Islands and Savage Islands, with some found on Madeira. Its center of diversity is Tenerife, with seven species occurring on this island. On Fuerteventura and Lanzarote, only M. laxiflora occurs. Monanthes is a rare example where a species re-colonizes the continent from an island, after their ancestors have colonized the island from the continent.

Monanthes
Monanthes pallens
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Saxifragales
Family: Crassulaceae
Subfamily: Sempervivoideae
Tribe: Aeonieae
Genus: Monanthes
Haw.

Monanthes are not frost-resistant. They are linked with the genera Sempervivum, Greenovia, Aichryson and Aeonium, which is obvious from their similar flowers.

Species of Monanthes differ considerably in life- and growth-form. M. icterica, which is also genetically quite distant to other Monanthes species, is annual, while the other species are perennial.

Taxonomy

Accepted species include:[1]

  • Monanthes anagensis Praeger
  • Monanthes atlantica J.Ball
  • Monanthes brachycaulos (Webb & Bertholt) R.Lowe
  • Monanthes icterica (Webb ex Bolle) Christ
  • Monanthes laxiflora (DC.) Bolle ex Bornmuller
  • Monanthes lowei (Paiva) Perez & Acebes
  • Monanthes minima (Bolle) Christ
  • Monanthes muralis Hook.f.
  • Monanthes pallens (Webb in Christ) Christ
  • Monanthes polyphylla (Aiton) Haw.
    • Monanthes polyphylla subsp. amydros Nyffeler
  • Monanthes subcrassicaulis (Kuntze) Praeger
  • Monanthes subrosulata Bañares & A. Acev.-Rodr.[2]
  • Monanthes tilophila (Bolle) Christ
  • Monanthes wildpretii Bañares & S.Scholz

Etymology

Monanthes is Greek for "single flower".

References
  1. "Search for Monanthes". The Plant List. The Plant List. Retrieved 2017-10-25.
  2. Bañares Baudet Á., Acevedo Rodríguez A. & Rebolé Beaumont Á.: Monanthes subrosulata, a new species of M. sect. Sedoidea (Crassulaceae) from La Palma, Canary Islands, Spain. — Willdenowia 43: 25–31. June 2013.

Bibliography
  • Mes, T. H. M., Wijers, G. J. & Hart, H. (1997). :Phylogenetic relationships in Monanthes (Crassulaceae) based on morphological, chloroplast and nuclear DNA variation". Journal of Evolutionary Biology 10(2):193–216.

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