Blackboard Tree vs Needle-leaf Spiderhead

Alstonia scholaris compared with Serruria linearis

Key Differences

• Blackboard Tree is Least Concern while Needle-leaf Spiderhead is Endangered.

Taxonomic Classification

Rank	Blackboard Tree	Needle-leaf Spiderhead
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Proteales (Proteales)
Family	Apocynaceae	Proteaceae
Genus	Alstonia	Serruria
Species	Alstonia scholaris	Serruria linearis

Evolutionary Relationship

Blackboard Tree and Needle-leaf Spiderhead share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Blackboard Tree

LC — Least Concern

Needle-leaf Spiderhead

EN — Endangered

Physical Characteristics

Attribute	Blackboard Tree	Needle-leaf Spiderhead
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.

Needle-leaf Spiderhead

Habitat

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

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.