Acorn Spiderhead vs Castor

Serruria balanocephala compared with Ricinus communis

Key Differences

• Acorn Spiderhead is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	Acorn Spiderhead	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Proteales (Proteales)	Malpighiales (Malpighiales)
Family	Proteaceae	Euphorbiaceae
Genus	Serruria	Ricinus
Species	Serruria balanocephala	Ricinus communis

Evolutionary Relationship

Acorn Spiderhead and Castor share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Acorn Spiderhead

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Acorn Spiderhead	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Acorn Spiderhead

Habitat

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

Castor

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (33 countries), Asia (26 countries), Europe (23 countries), North America (15 countries), Oceania and the Pacific (14 countries), and South America (12 countries).

Acorn Spiderhead

The Acorn Spiderhead (Serruria balanocephala) is a species in the genus Serruria. It is currently classified as Least Concern on the IUCN Red List. This species inhabits Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Castor

The Castor (Ricinus communis) is a species in the genus Ricinus. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 7 distinct biome types. Populations are also found in montane and hi