Habit: tree, shrub, herb
Taxon group: dicots
Leaf: position: opposite, alternate, verticillate/whorled
Leaf: stipules: absent
Flowers: inflorescence: raceme, spike, umbel, cyme, panicle
Flowers: sexuality: bisexual
Flowers: symmetry: zygomorphic
Flowers: disc: absent, present
Flowers: sepal number/calyx lobes: 4, 5
Flowers: petal number/corolla lobes: 4, 5
Flowers: petal position: connate or basally connate
Corolla: campanulate, labiate, terete
Stamen: number: 4
Stamen: other characters: staminodia present
Pistil: ovary: 2-loculed
Pistil: ovule: 2 per locule, 3 per locule, 4+ per locule
Ovary: position: superior
Fruit: types and characters: a capsule (incl. pod, follicle, etc.), fleshy (berry, drupe, pome)
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link