Capon'S-Feather vs Common Onion

Aquilegia vulgaris compared with Allium cepa

Key Differences

Capon'S-Feather is Least Concern while Common Onion is Not Evaluated.

Taxonomic Classification

Rank	Capon'S-Feather	Common Onion
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Ranunculales (Ranunculales)	Asparagales (Asparagales)
Family	Ranunculaceae	Amaryllidaceae
Genus	Aquilegia	Allium
Species	Aquilegia vulgaris	Allium cepa

Evolutionary Relationship

Capon'S-Feather and Common Onion share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

View Phylum: Magnoliophyta

Conservation Status

Capon'S-Feather

LC — Least Concern

Common Onion

NE — Not Evaluated

Physical Characteristics

Attribute	Capon'S-Feather	Common Onion
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Capon'S-Feather

Habitat

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

Range

Widely distributed across Asia (India, Japan), Europe (15 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Argentina, Chile, Ecuador).

Common Onion

Habitat

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

Range

Widely distributed across Africa (8 countries), Asia (4 countries), Europe (23 countries), North America (United States), Oceania and the Pacific (Australia), and South America (5 countries).

Capon'S-Feather

The Capon's-feather (Aquilegia vulgaris) is a species in the genus Aquilegia. It is currently classified as Least Concern (LC) on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Common Onion

<em>Allium cepa</em> is a biennial or perennial bulbous herb in the family Amaryllidaceae, cultivated globally as one of the most widely used culinary vegetables. Its exact wild origin remains debated, though it is thought to originate from Central Asia. Today, the species is grown across Africa, Asia, Europe, North America, South America, and Oceania, adapting to diverse agricultural climates and soil types. Common onion typically grows in grasslands, agricultural fields, wetlands, and cultivated habitats. The plant forms underground bulbs that store nutrients and are harvested for food. It produces distinctive hollow, cylindrical leaves and globular flower heads. Onion is valued for its sulfur-containing compounds, which contribute to its characteristic pungent aroma and flavor, as well as its antimicrobial and antioxidant properties. Its conservation status has not been formally evaluated by the IUCN due to its extensive cultivation and absence of wild population concern. Biological traits including average lifespan, length, weight, and dietary ecology remain poorly documented in standardized wildlife databases appropriate for a cultivated crop species. <em>Allium cepa</em> is among the most economically significant vegetables worldwide, grown in over 175 countries.