Blackboard Tree vs Giant arrowhead

Alstonia scholaris compared with Sagittaria montevidensis

Key Differences

• Blackboard Tree is Least Concern while Giant arrowhead is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Giant arrowhead
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Gentianales (Gentianales)	Alismatales (Alismatales)
Family	Apocynaceae	Alismataceae
Genus	Alstonia	Sagittaria
Species	Alstonia scholaris	Sagittaria montevidensis

Evolutionary Relationship

Blackboard Tree and Giant arrowhead share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Blackboard Tree

LC — Least Concern

Giant arrowhead

NE — Not Evaluated

Physical Characteristics

Attribute	Blackboard Tree	Giant arrowhead
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.

Giant arrowhead

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Africa (Tanzania), Asia (Taiwan), North America (United States), Oceania and the Pacific (Australia, New Zealand), and South America (Brazil).

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