Blackboard Tree vs Madiera cranesbill

Alstonia scholaris compared with Geranium maderense

Key Differences

• Blackboard Tree is Least Concern while Madiera cranesbill is Critically Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Madiera cranesbill
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Geraniales (Geraniales)
Family	Apocynaceae	Geraniaceae
Genus	Alstonia	Geranium
Species	Alstonia scholaris	Geranium maderense

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Madiera cranesbill

CR — Critically Endangered

Physical Characteristics

Attribute	Blackboard Tree	Madiera cranesbill
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.

Madiera cranesbill

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Portugal, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.