Bitter Dock vs Blackboard Tree

Rumex obtusifolius compared with Alstonia scholaris

Key Differences

• Bitter Dock is Not Evaluated while Blackboard Tree is Least Concern.

Taxonomic Classification

Rank	Bitter Dock	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	Polygonaceae	Apocynaceae
Genus	Rumex	Alstonia
Species	Rumex obtusifolius	Alstonia scholaris

Evolutionary Relationship

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

Conservation Status

Bitter Dock

NE — Not Evaluated

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	Bitter Dock	Blackboard Tree
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Dock

Habitat

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

Range

Widely distributed across Asia (6 countries), Europe (9 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (7 countries).

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.

Bitter Dock

The Bitter Dock (Rumex obtusifolius) is a species in the genus Rumex. 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.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States