Leptospermum scoparium ‘Burgundy Queen’ (Tea tree)

4/6/2011 · Howard Peters Rawlings Conservatory & Botanic Gardens, Druid Hill Park, Baltimore, Maryland · ≈ 4½ × 7″ (11 × 17 cm)

4/6/2011 · Howard Peters Rawlings Conservatory & Botanic Gardens, Druid Hill Park, Baltimore, Maryland · ≈ 6 × 9″ (14 × 22 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	Rosidae	Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
Order	Myrtales	Includes myrtles, leadwoods, loosestrifes, pomegranates, evening primroses, many others
Family	Myrtaceae	Myrtle family, include myrtle, clove, guava, feijoa, allspice, and eucalyptus
Genus	Leptospermum
Species	scoparium	Broom-like, alluding to the plant structure

Leptospermum scoparium ‘Burgundy Queen’ description by Thomas H. Kent, not updated.