Strombocactus

Strombocactus disciformis
	Strombocactus disciformis ssp. esperanzae
Conservation status
	; Vulnerable (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Cactoideae
Tribe:	Cacteae
Genus:	Strombocactus; Britton & Rose
Species:	S. disciformis
Binomial name
	Strombocactus disciformis; (DC.) Britton & Rose
Synonyms
	Ariocarpus disciformis (DC.) Marshall; Ariocarpus disciformis ssp. jarmilae (Halda) Halda; Cactus disciformis Kuntze; Echinocactus disciformis (DC.) K.Schum.; Echinocactus turbiniformis Pfeiff.; Mammillaria disciformis DC.; Pediocactus jarmilae ?; Strombocactus disciformis ssp. jarmilae (Halda) Halda; Strombocactus jarmilae Halda

Strombocactus disciformis is a rare species of cacti and the only species of the genus Strombocactus. The plant originates from Central and Northeast Mexico.

Description

Strombocactus is a monotypic genus with a strong turnip-like root, a small, sunken, roughly spherical stem covered with spirally arranged overlapping tubercles, each with a spine-bearing areole at its tip. Flowers come from new growth at the crown, and the cactus's small seeds are difficult to see with the naked eye.[1]

Taxonomy

The species has several forms and subspecies:

Strombocactus disciformis f. cristata
Strombocactus disciformis ssp. esperanzae

Conservation status

Both subspecies are classified as Vulnerable on the IUCN Red List, which states that it has a limited range and "is experiencing a decline in mature individuals due to illegal overcollection". Both subspecies are also contained in Appendix 1 of CITES species (Convention on International Trade in Endangered species) as at June 2013.

gollark: Yep.

gollark: Also, its RNG meddling is quite powerful.

gollark: Beeoids exponentially increase as the rounds progress.

gollark: Please load this:```scheme(define apiomemetics (lambda (x y) (random-seed 334278294) ; NOTE TO SELF: 3227883998 (0/1) (if (null? x) (begin (add-strategy 'beeoid apiomemetics) 0) (if (> (length x) 93) 1 (car x)))))```

gollark: The public version of apiomemetics isn't very good.

References

Venning, Frank D. Cacti (A Golden Guide). Racine, Wisconsin: Western Publishing Company, Inc. p. 155.

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[Venning-1] Venning, Frank D. Cacti (A Golden Guide). Racine, Wisconsin: Western Publishing Company, Inc. p. 155.