悬铃木科

Habit: tree

Hairs: stellate

Taxon group: dicots

Plant: monoecious

Leaf: position: alternate

Leaf: nature: simple

Leaf: venation: palmate

Leaf: blade: margin: lobed, cleft, parted or divided, dentate

Leaf: stipules: present

Flowers: inflorescence: head

Flowers: sexuality: unisexual

Flowers: sepal number/calyx lobes: 0, 3, 4, 5, 6, 7+

Flowers: petal number/corolla lobes: 3, 4, 5, 6, 7, 8+

Flower: bract: present

Stamen: number: 3, 4, 5, 6, 7, 8

Pistil: carpel: 1, 2, 3, 4, 5, 6+

Pistil: ovary: 1-loculed

Pistil: ovule: 1 per locule, 2 per locule

Pistil: pistil: carpels free from each other

Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.)

Fruit: seed: 1 seed

Seed: endosperm: seeds with endosperm

Google Image Search: Link

Dictionary of The Families & Genera of Chinese Seed Plants: Link

Vascular Plant Type Catalog at NYBG: Link