Centaurea L.
Cornflower, knapweed
[An article has not been written yet.]
Cornflower (Centaurea) · 8/16/2009 · Joan & Jim’s, Mansfield, Massachusetts · ≈ 8 × 7″ (19 × 16 cm) 
Species not yet identified 
Cornflower (Centaurea) · 8/25/2009 · Nashua River Rail Trail, East Pepperell, Massachusetts · ≈ 5 × 3½″ (13 × 9.2 cm) Species not yet identified 
| 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 | Centaurea | From the Latin and a reference to the Centaur Chiron who was supposed to have discovered the medicinal uses of a plant in Greece that came to be called Centaury |
Centaurea description by Thomas H. Kent, not updated.
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