Habit: tree, shrub
Taxon group: dicots
Leaf: position: opposite
Leaf: nature: pinnately compound, palmately compound
Leaf: blade: margin: entire
Leaf: stipules: absent
Flowers: inflorescence: raceme, corymb, umbel, panicle
Flowers: sexuality: bisexual, unisexual
Flowers: symmetry: actinomorphic
Flowers: disc: absent, present
Flowers: perianth number: 0, 4, 5
Stamen: number: 4, 5, 6, 7, 8, 9, 10+
Pistil: ovary: 2-loculed
Pistil: ovule: 2 per locule
Ovary: position: superior
Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.), winged/samara
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link