Barrel Cactus vs Blackboard Tree

Melocactus intortus compared with Alstonia scholaris

Taxonomic Classification

Rank	Barrel Cactus	Blackboard Tree
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Caryophyllales (Caryophyllales)	Gentianales (Gentianales)
Family	Cactaceae	Apocynaceae
Genus	Melocactus	Alstonia
Species	Melocactus intortus	Alstonia scholaris

Evolutionary Relationship

Barrel Cactus and Blackboard Tree share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Barrel Cactus

LC — Least Concern

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	Barrel Cactus	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barrel Cactus

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Brazil.

Blackboard Tree

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Micronesia, Taiwan, and United States.

Barrel Cactus

The Barrel Cactus (Melocactus intortus) is a species in the genus Melocactus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Blackboard Tree

The Blackboard Tree (Alstonia scholaris) is a species in the genus Alstonia. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.