Buttonhead Pipewort vs Castor

Eriocaulon heterolepis compared with Ricinus communis

Key Differences

• Buttonhead Pipewort is Least Concern while Castor is Not Evaluated.

Taxonomic Classification

Rank	Buttonhead Pipewort	Castor
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Poales (Grasses)	Malpighiales (Malpighiales)
Family	Eriocaulaceae	Euphorbiaceae
Genus	Eriocaulon	Ricinus
Species	Eriocaulon heterolepis	Ricinus communis

Evolutionary Relationship

Buttonhead Pipewort and Castor share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Buttonhead Pipewort

LC — Least Concern

Castor

NE — Not Evaluated

Physical Characteristics

Attribute	Buttonhead Pipewort	Castor
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buttonhead Pipewort

Habitat

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

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).

Buttonhead Pipewort

The Buttonhead Pipewort (Eriocaulon heterolepis) is a species in the genus Eriocaulon. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

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