Rhododendron ‘Cinquero’ (Cinquero rhododendron)

5/12/2025 · Coastal Maine Botanical Gardens, Boothbay, Maine · ≈ 7 × 4½″ (18 × 12 cm)

5/12/2025 · Coastal Maine Botanical Gardens, Boothbay, Maine · ≈ 9 × 6″ (22 × 15 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	Ericales	Tea, persimmon, blueberry, Brazil nut, azalea, many others
Family	Ericaceae	Heath or heather family
Genus	Rhododendron	From Greek rhodos, “rose,” and dendron, “tree”