Blackboard Tree vs Staggerweed

Alstonia scholaris compared with Stachys arvensis

Key Differences

• Blackboard Tree is Least Concern while Staggerweed is Vulnerable.

Taxonomic Classification

Rank	Blackboard Tree	Staggerweed
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Lamiales (Lamiales)
Family	Apocynaceae	Lamiaceae
Genus	Alstonia	Stachys
Species	Alstonia scholaris	Stachys arvensis

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Staggerweed

VU — Vulnerable

Physical Characteristics

Attribute	Blackboard Tree	Staggerweed
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.

Staggerweed

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (4 countries), Asia (5 countries), Europe (15 countries), North America (4 countries), Oceania and the Pacific (Australia, Tonga), and South America (6 countries). Currently classified as Vulnerable 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.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States