Calamus vs common broomrape

Acorus calamus compared with Orobanche minor

Key Differences

• Calamus is Least Concern while common broomrape is Near Threatened.

Taxonomic Classification

Rank	Calamus	common broomrape
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Liliopsida (Monocots)	Magnoliopsida (Dicots)
Order	Acorales (Acorales)	Lamiales (Lamiales)
Family	Acoraceae	Orobanchaceae
Genus	Acorus	Orobanche
Species	Acorus calamus	Orobanche minor

Evolutionary Relationship

Calamus and common broomrape share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Calamus

LC — Least Concern

common broomrape

NT — Near Threatened

Physical Characteristics

Attribute	Calamus	common broomrape
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Calamus

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (30 countries), and North America (Canada, United States).

common broomrape

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 4 distinct biome types within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Mauritius, Namibia, South Africa), Asia (Japan), Europe (12 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Chile, Colombia). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Calamus

The Calamus (Acorus calamus) is a species in the genus Acorus. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

common broomrape

The common broomrape (<em>Orobanche minor</em>) is a parasitic flowering plant with an exceptionally wide global distribution, occurring across Africa, Asia, Europe, North America, Oceania, and South America, and typically inhabiting tropical and subtropical forests and grasslands. This species is classified as Near Threatened on the IUCN Red List, indicating that its populations may be declining in some parts of its range. As a member of the family Orobanchaceae, the common broomrape is a root parasite that attaches to the roots of host plants, most commonly members of the legume and carrot families, from which it draws all of its nutrients. It lacks chlorophyll and therefore cannot photosynthesize, making it entirely dependent on its host for survival. The species often produces spikes of yellowish or purplish tubular flowers above the soil surface during spring and summer across its diverse geographic range. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 12 countries:

🇧🇪 Belgium 🇨🇿 Czech Republic 🇩🇰 Denmark 🇩🇪 Germany 🇮🇪 Ireland 🇳🇴 Norway 🇵🇱 Poland 🇸🇰 Slovakia 🇿🇦 South Africa 🇪🇸 Spain 🇸🇪 Sweden 🇺🇸 United States