Habit: shrub, herb
Taxon group: dicots
Leaf: position: opposite, alternate
Leaf: blade: margin: entire
Flowers: sexuality: bisexual
Flowers: symmetry: actinomorphic, zygomorphic
Flowers: sepal number/calyx lobes: 2
Flowers: petal number/corolla lobes: 4, 5, 6, 7
Stamen: number: 4, 5, 6, 7, 8, 9, 10+
Pistil: ovary: 1-loculed
Pistil: ovule: 1 per locule, 2 per locule, 3 per locule, 4+ per locule
Pistil: pistil: ovules attached to the central axis
Ovary: position: superior, half-inferior
Fruit: types and characters: a capsule (incl. pod, follicle, etc.)
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link