Arthrocereus

Arthrocereus
Arthrocereus glaziovii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Cactoideae
Tribe:	Cereeae
Subtribe:	Trichocereinae
Genus:	Arthrocereus A.Berger, nom. cons. [1]
Species
See text.

Arthrocereus is a genus of cactus, native to southeast and west-central Brazil. ^[1]

Description

The relatively small, bushy, erect or prostrate species of the genus Arthrocereus are branched or unbranched. The articulated, cylindrical shoots have 10 to 18 low and narrow ribs on which small areoles sit from which many thin thorns emerge. The elongated, bell-shaped, wide-opening flowers appear near the shoot tip and open at night. The flower cup and the flower tube are covered with wool, hair-like thorns and a few pointed scales.

The spherical to obversely pear-shaped fruits are green and have white flesh. They are thin-walled, non-tearing, and have scales and hair-like spines. The slanting egg-shaped seeds are black. ^[2]

Species

As of October 2025 ^[update] , Plants of the World Online accepts the following species: ^[1]

Image	Scientific name	Distribution
	Arthrocereus glaziovii (K.Schum.) N.P.Taylor & Zappi	Brazil.
	Arthrocereus melanurus (K.Schum.) Diers, P.Br. & Esteves	Brazil
	Arthrocereus rondonianus Backeb. & Voll	Brazil.
	Arthrocereus spinosissimus (Buining & Brederoo) F.Ritter	Brazil.

References

1. "Arthrocereus A.Berger". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. Retrieved October 10, 2023.
2. Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. pp. 80–81. ISBN   3-8001-4573-1.

External links

• Media related to Arthrocereus at Wikimedia Commons
• Data related to Arthrocereus at Wikispecies