Opuntia galapageia Hensl.

국표에 없다.

Opuntia galapageia is a species of cactus. It is endemic to the Galápagos Islands, part of Ecuador. Forms occurring on different islands have been treated as separate species and subtaxa of these species. Opuntia echios, Opuntia helleri, Opuntia insularis, Opuntia megasperma, Opuntia myriacantha and Opuntia saxicola are now sunk within O. galapageia.

Description

The variety Opuntia galapageia var. myriacantha, synonym Opuntia galapageia var. echios. has the most formidable spines; up to 10 inches (25 cm) in length, exceeded only by Ferocactus emoryi ssp. rectispinus at thirteen inches (32 cm).

Taxonomy

 

Opuntia galapageia was first described by John Stevens Henslow in 1837. It was first recorded by Charles Darwin on Santiago (James) Island. Darwin was ashore there for nine days in 1835. Subsequently, at least five other species of Opuntia were described from the Galápagos: Opuntia helleri, Opuntia insularis, Opuntia megasperma, Opuntia myriacantha and Opuntia saxicola. All were treated by David Hunt in 2006 as included within O. galapageia, a placement accepted by the IUCN Red List as of 2017, although they had been assessed as separate species in 2000. Plants of the World Online also accepts the placement within O. galapageia, and includes Opuntia echios, in most cases placing the species in an infraspecific taxon (see the list below).

Opuntia galapageia - Wikipedia

Opuntia galapageia (llifle.com)

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