Helianthus microcephalus (Small-headed sunflower)

9/14/2010 · Garden in the Woods, Framingham, Massachusetts · ≈ 15 × 10″ (39 × 26 cm)

9/14/2010 · Garden in the Woods, Framingham, Massachusetts · ≈ 6 × 4″ (15 × 10 cm)

Kingdom	Plantae	Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin)
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Magnoliopsida	Dicotyledons—plants with two initial seed leaves
Subclass	Asteridae	A large class that encompasses asters
Order	Asterales	Flowering plants with a central disk flower and surrounding petals, like daisies
Family	Asteraceae	The aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
Genus	Helianthus	From Greek helios, “sun,” and anthos, “flower,” because it was believed that sunflowers turn to follow the sun
Species	microcephalus	“Small-headed”