Habit: tree, shrub

Important diagnostics: with milky juice

Taxon group: dicots

Leaf: position: opposite, verticillate/whorled

Leaf: nature: simple

Leaf: venation: pinnate

Leaf: other characters: with pellucid or glandular dots or lines

Leaf: stipules: absent, present

Flowers: inflorescence: solitary, cyme

Flowers: sexuality: bisexual

Flowers: symmetry: actinomorphic

Flowers: sepal number/calyx lobes: 2, 3, 4, 5, 6

Flowers: sepal/calyx nature: imbricate

Flowers: petal number/corolla lobes: 2, 3, 4, 5, 6

Stamen: filaments: free, connate into 1 tube or bundle

Pistil: style: styles more than 1, style 1, or styles more or less connate

Pistil: carpel: 1

Pistil: ovary: 1-loculed, 2-loculed, 3-loculed, 4-loculed, 5-loculed, 6-loculed, 7+ loculed

Pistil: ovule: 1 per locule, 2 per locule, 3 per locule, 4+ per locule

Fruit: types and characters: 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