Blackboard Tree vs Onion

Alstonia scholaris compared with Allium pseudoalbidum

Key Differences

• Blackboard Tree is Least Concern while Onion is Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Onion
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class	Magnoliopsida (モクレン綱)	Liliopsida (単子葉植物綱)
Order	Gentianales (リンドウ目)	Asparagales (クサスギカズラ目)
Family	Apocynaceae	Amaryllidaceae
Genus	Alstonia	Allium
Species	Alstonia scholaris	Allium pseudoalbidum

Evolutionary Relationship

Blackboard Tree and Onion share a common ancestor at the Phylum level: Magnoliophyta. (被子植物門)

Conservation Status

Blackboard Tree

LC — Least Concern

Onion

EN — Endangered

Physical Characteristics

Attribute	Blackboard Tree	Onion
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.

Onion

Habitat

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

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.