Cay Sua vs Old Man'S Beard

Alstonia scholaris compared with Tillandsia usneoides

Taxonomic Classification

Rank	Cay Sua	Old Man'S Beard
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)	Poales (bộ Hòa thảo)
Family	Apocynaceae	Bromeliaceae
Genus	Alstonia	Tillandsia
Species	Alstonia scholaris	Tillandsia usneoides

Evolutionary Relationship

Cay Sua and Old Man'S Beard share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Cay Sua

LC — Least Concern

Old Man'S Beard

LC — Least Concern

Physical Characteristics

Attribute	Cay Sua	Old Man'S Beard
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.

Old Man'S Beard

Habitat

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

Range

Widely distributed across Africa (Seychelles, South Africa), Asia (Taiwan), North America (5 countries), Oceania and the Pacific (Australia, Tonga), and South America (Brazil, 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.

Shared Countries

Both species can be found in 2 countries:

🇹🇼 Taiwan 🇺🇸 United States