Cay Sua vs chaffweed

Alstonia scholaris compared with Lysimachia minima

Key Differences

• Cay Sua is Least Concern while chaffweed is Vulnerable.

Taxonomic Classification

Rank	Cay Sua	chaffweed
Kingdom same	Plantae (thực vật)	Plantae (thực vật)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Bộ Long đởm)	Ericales (bộ Âu thạch nam)
Family	Apocynaceae	Primulaceae
Genus	Alstonia	Lysimachia
Species	Alstonia scholaris	Lysimachia minima

Evolutionary Relationship

Cay Sua and chaffweed share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Cay Sua

LC — Least Concern

chaffweed

VU — Vulnerable

Physical Characteristics

Attribute	Cay Sua	chaffweed
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.

chaffweed

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (Canada), and South America (Brazil, Colombia). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

chaffweed

The Chaffweed (Lysimachia minima) is a species in the genus Lysimachia. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan