Annual Sunflower vs Silverleaf Sunflower

Helianthus annuus compared with Helianthus argophyllus

Key Differences

• Annual Sunflower is Not Evaluated while Silverleaf Sunflower is Least Concern.

Taxonomic Classification

Rank	Annual Sunflower	Silverleaf Sunflower
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (木兰植物门)	Magnoliophyta (木兰植物门)
Class same	Magnoliopsida (木兰纲)	Magnoliopsida (木兰纲)
Order same	Asterales (菊目)	Asterales (菊目)
Family same	Asteraceae (Daisy Family)	Asteraceae (Daisy Family)
Genus same	Helianthus (Sunflowers)	Helianthus (Sunflowers)
Species	Helianthus annuus	Helianthus argophyllus

Evolutionary Relationship

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

Conservation Status

Annual Sunflower

NE — Not Evaluated

Trend: Stable →

Silverleaf Sunflower

LC — Least Concern

Physical Characteristics

Attribute	Annual Sunflower	Silverleaf 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).

Silverleaf Sunflower

Habitat

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

Range

Distributed across Australia, Japan, Mozambique, South Africa, and Tonga.

Annual Sunflower

向日葵是世界上种植最广泛的花卉植物之一，也是极具经济价值的油料作物，原产北美洲，可长到3米高，花盘直径可达30厘米。幼株追随太阳运动的独特行为——向日性——赋予了它的名称。一个向日葵花盘由多达2,000朵微小的小花组成。全球年产量超过5,000万吨，以其油脂、种子和鸟食而受到高度重视。

Shared Countries

Both species can be found in 3 countries:

🇦🇺 Australia 🇯🇵 Japan 🇿🇦 South Africa