Habit: tree, shrub, herb
Important diagnostics: spiny stems or leaves
Taxon group: dicots
Stem: climbing/twining, prostrate
Plant: monoecious, dioecious
Leaf: position: opposite, alternate
Leaf: nature: simple, compound
Leaf: blade: margin: entire, dentate
Leaf: stipules: present
Flowers: inflorescence: solitary, raceme, corymb, umbel, cyme
Flowers: sexuality: bisexual, unisexual
Flowers: symmetry: actinomorphic
Flowers: sepal number/calyx lobes: 4, 5
Flowers: sepal/calyx nature: imbricate
Flowers: petal number/corolla lobes: 0, 4, 5
Flowers: petal nature: imbricate
Flowers: corona: present
Stamen: number: 5, 6, 7, 8, 9, 10+
Stamen: anthers: 2-celled
Stamen: filaments: free, connate into 1 tube or bundle
Pistil: carpel: 1, 2, 3, 4, 5, 6+
Pistil: ovule: 1 per locule, 2 per locule, 3 per locule, 4+ per locule
Pistil: pistil: carpels free from each other, connate or basally connate
Ovary: position: superior, half-inferior, inferior
Fruit: types and characters: a capsule (incl. pod, follicle, etc.), a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.), fleshy (berry, drupe, pome)
Seed: cotyledons: folded or crumpled
Seed: endosperm: seeds without 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
