Blackboard Tree vs Blue Iris

Alstonia scholaris compared with Iris spuria

Key Differences

Blackboard Tree is Least Concern while Blue Iris is Vulnerable.

Taxonomic Classification

Rank	Blackboard Tree	Blue Iris
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Gentianales (Gentianales)	Mantodea (Mantodea)
Family	Apocynaceae	Eremiaphilidae
Genus	Alstonia	Iris
Species	Alstonia scholaris	Iris spuria

Conservation Status

Blackboard Tree

LC — Least Concern

Blue Iris

VU — Vulnerable

Physical Characteristics

Attribute	Blackboard Tree	Blue Iris
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.

Blue Iris

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (9 countries), North America (United States), and Oceania and the Pacific (Australia). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Blue Iris

The Blue Iris (Iris spuria) is a species in the genus Iris. It is currently classified as Vulnerable on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.