Echinops ritro ssp. ruthenicus ‘Platinum Blue’ (Globe thistle)

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	Echinops	From Greek echinos, “hedgehog” or “sea urchin,” and ops, a suffix intended to indicate resemblance or appearance
Species	ritro
ssp.	ruthenicus

Echinops ritro ssp. ruthenicus ‘Platinum Blue’ description by Thomas H. Kent, not updated.