Overview & Taxonomy
The Sunflower (Helianthus annuus), categorized under Flowers, belongs to the Asteraceae family (Helianthus annuus).
- Etymology: Helios (sun) + anthos (flower)
- Distribution & Habitat: Native to North America, it thrives in Plains, open fields.
Botanical Features & Phenology
Fast-growing annual with large composite flower heads.
- Phenology: Blooms mid-summer to autumn.
- Tolerances: Drought hardy, full sun requirement.
- Pests & Diseases: Birds, squirrels, stem borers.
Uses & Conservation
- Primary Uses: Edible seeds, cooking oil, cut flowers.
- Cultivars: Mammoth Russian, Autumn Beauty
- Safety: Non-toxic.
- Conservation Status: Least Concern
- Historical Context: Cultivated by Indigenous Americans since 3000 BCE.
References: Missouri Botanical Garden
