Cay Sua vs Narrow-leaved Arrowhead

Alstonia scholaris compared with Sagittaria subulata

Key Differences

• Cay Sua is Least Concern while Narrow-leaved Arrowhead is Not Evaluated.

Taxonomic Classification

Rank	Cay Sua	Narrow-leaved Arrowhead
Kingdom same	Plantae (thực vật)	Plantae (thực vật)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Gentianales (Bộ Long đởm)	Alismatales (Bộ Trạch tả)
Family	Apocynaceae	Alismataceae
Genus	Alstonia	Sagittaria
Species	Alstonia scholaris	Sagittaria subulata

Evolutionary Relationship

Cay Sua and Narrow-leaved Arrowhead share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Cay Sua

LC — Least Concern

Narrow-leaved Arrowhead

NE — Not Evaluated

Physical Characteristics

Attribute	Cay Sua	Narrow-leaved Arrowhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cay Sua

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.

Narrow-leaved Arrowhead

Habitat

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

Range

Found across Europe (9 countries) and South America (Colombia).

Cay Sua

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.