Blackboard Tree vs Madagascar widow's-thrill

Alstonia scholaris compared with Kalanchoe blossfeldiana

Key Differences

• Blackboard Tree is Least Concern while Madagascar widow's-thrill is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Madagascar widow's-thrill
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Saxifragales (Saxifragales)
Family	Apocynaceae	Crassulaceae
Genus	Alstonia	Kalanchoe
Species	Alstonia scholaris	Kalanchoe blossfeldiana

Evolutionary Relationship

Blackboard Tree and Madagascar widow's-thrill share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Blackboard Tree

LC — Least Concern

Madagascar widow's-thrill

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Madagascar widow's-thrill
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Madagascar widow's-thrill

Habitat

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

Range

Widely distributed across Africa (Seychelles, South Africa), Asia (India, Taiwan, Turkey), Europe (Belgium, Sweden), North America (Dominican Republic, United States), and South America (4 countries).

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.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States