Caularthron

Caularthron

Caularthron bicornutum
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Tribe:	Epidendreae
Subtribe:	Laeliinae
Alliance:	Barkeria
Genus:	Caularthron Raf. (1837)

Caularthron Raf. (1837), abbreviated Cau.^[1] in the horticultural trade, is a genus of orchids with 4 species^[2]. They are epiphytic orchids with specialized hollow pseudobulbs that house ants. The genus is exclusively found in the neotropics.

Diacrium (Lindl.) Benth. (1881) has been brought into synonymy with Caularthron.

List of species

Caularthron amazonicum (Schltr.) H.G.Jones (1968)
Caularthron bicornutum (Hook.) Raf. (1837) 2n = 40, n = 20.^[3]
Caularthron bilamellatum (Rchb.f.) R.E.Schult. (1958)
Caularthron kraenzlinianum H.G.Jones (1980

Footnotes

^ http://www.rhs.org.uk/RHSWebsite/files/87/87be8b1e-908e-4e04-9ee6-30c438354458.pdf downloaded October 3, 2010
^ Information retrieved from http://apps.kew.org/wcsp/qsearch.do on October 3, 2010, after enering "Caularthron"
^ page 251 of Leonardo P. Felix and Marcelo Guerra: "Variation in chromosome number and the basic number of subfamily Epidendroideae (Orchidaceae)" Botanical Journal of the Linnean Society 163(2010)234-278. The Linnean Society of London. downloaded October 2010 from http://onlinelibrary.wiley.com/doi/10.1111/j.1095-8339.2010.01059.x/pdf