Habit: tree, shrub
Taxon group: dicots
Leaf: position: opposite, alternate
Leaf: blade: margin: entire
Leaf: stipules: absent
Flowers: inflorescence: solitary, raceme, fascicle
Flowers: sexuality: bisexual, unisexual
Flowers: sepal number/calyx lobes: 2, 3, 4
Flowers: petal number/corolla lobes: 0
Stamen: number: 4, 5, 6, 7, 8
Pistil: ovary: 1-loculed
Pistil: ovule: 1 per locule
Ovary: position: superior
Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.)
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link