Blackboard Tree vs Ray

Alstonia scholaris compared with Sympterygia bonapartii

Key Differences

• Blackboard Tree is Least Concern while Ray is Near Threatened.

Taxonomic Classification

Rank	Blackboard Tree	Ray
Kingdom	Plantae (पादप)	Animalia (प्राणी)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (रज्जुकी)
Class	Magnoliopsida (मैग्नोलियोप्सीडा)	Elasmobranchii
Order	Gentianales (Gentianales)	Rajiformes (Rajiformes)
Family	Apocynaceae	Arhynchobatidae
Genus	Alstonia	Sympterygia
Species	Alstonia scholaris	Sympterygia bonapartii

Conservation Status

Blackboard Tree

LC — Least Concern

Ray

NT — Near Threatened

Physical Characteristics

Attribute	Blackboard Tree	Ray
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.

Ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.