Annual Sunflower vs Bolander's Sunflower

Helianthus annuus compared with Helianthus bolanderi

Key Differences

• Annual Sunflower is Not Evaluated while Bolander's Sunflower is Least Concern.

Taxonomic Classification

Rank	Annual Sunflower	Bolander's Sunflower
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class same	Magnoliopsida (モクレン綱)	Magnoliopsida (モクレン綱)
Order same	Asterales (キク目)	Asterales (キク目)
Family same	Asteraceae (Daisy Family)	Asteraceae (Daisy Family)
Genus same	Helianthus (Sunflowers)	Helianthus (Sunflowers)
Species	Helianthus annuus	Helianthus bolanderi

Evolutionary Relationship

Annual Sunflower and Bolander's Sunflower share a common ancestor at the Genus level: Helianthus. (Sunflowers)

Conservation Status

Annual Sunflower

NE — Not Evaluated

Trend: Stable →

Bolander's Sunflower

LC — Least Concern

Physical Characteristics

Attribute	Annual Sunflower	Bolander's Sunflower
Diet	Autotroph	—
Average Lifespan	1 years	—
Average Length	3.0 m	—
Average Weight	—	—

Habitat & Geographic Range

Annual Sunflower

Habitat

Inhabits montane grasslands and shrublands and Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Africa (12 countries), Asia (7 countries), Europe (30 countries), North America (Canada, United States), Oceania and the Pacific (Australia, Marshall Islands), and South America (4 countries).

Bolander's Sunflower

Habitat

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

Annual Sunflower

世界で最も多く栽培されている花卉植物の一つであり経済的に重要な油料作物であるヒマワリは北アメリカ原産で、高さ3メートルまで成長し、花頭の直径は30センチメートルに達することがあります。若い植物が太陽を追うという独特の行動（太陽屈性）がその名前の由来となっています。一つのヒマワリの花頭は最大2,000個の小さな小花で構成されています。世界生産量は年間5,000万トンを超え、油、種子、野鳥の餌として高く評価されています。

Bolander's Sunflower

The Bolander's Sunflower (Helianthus bolanderi) is a species in the genus Helianthus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.