Habit: shrub, herb
Taxon group: dicots
Leaf: position: opposite, basal
Leaf: blade: margin: lobed, cleft, parted or divided
Leaf: stipules: absent
Flowers: inflorescence: head, cyme
Flowers: sexuality: bisexual, unisexual
Flowers: symmetry: zygomorphic
Flowers: petal number/corolla lobes: 3, 4, 5
Flowers: petal nature: imbricate, spurred
Corolla: tubular
Stamen: number: 1, 2, 3, 4
Stamen: filaments: inserted on the corolla
Pistil: ovary: 3-loculed
Pistil: ovule: 1 per locule
Ovary: position: inferior
Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.)
Fruit: seed: 1 seed
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link