Blackboard Tree vs Pencil flower

Alstonia scholaris compared with Stylosanthes guianensis

Taxonomic Classification

Rank	Blackboard Tree	Pencil flower
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Fabales (Legumes & Allies)
Family	Apocynaceae	Fabaceae
Genus	Alstonia	Stylosanthes
Species	Alstonia scholaris	Stylosanthes guianensis

Evolutionary Relationship

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

Conservation Status

Blackboard Tree

LC — Least Concern

Pencil flower

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Pencil flower
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.

Pencil flower

Habitat

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

Range

Widely distributed across Africa (8 countries), Asia (7 countries), North America (4 countries), Oceania and the Pacific (6 countries), and South America (Brazil, Colombia).

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