Habit: shrub, herb
Important diagnostics: succulent
Taxon group: dicots
Leaf: position: opposite, alternate
Leaf: nature: simple, pinnately compound
Leaf: blade: margin: entire, dentate
Leaf: other characters: fleshy
Leaf: stipules: absent, with stipular sheath
Flowers: inflorescence: solitary, cyme
Flowers: sexuality: bisexual, unisexual
Flowers: symmetry: actinomorphic
Flowers: sepal number/calyx lobes: 3, 4, 5, 6, 7+
Flowers: petal number/corolla lobes: 0, 1, 2, 3, 4, 5, 6, 7, 8+
Corolla: tubular
Stamen: number: 3, 4, 5, 6, 7, 8, 9, 10+
Stamen: filaments: free, connate into 1 tube or bundle
Stamen: other characters: staminodia present
Pistil: carpel: 2, 3, 4, 5, 6+
Pistil: ovary: 3-loculed, 4-loculed, 5-loculed
Pistil: ovule: 1 per locule, 2 per locule, 3 per locule, 4+ per locule
Pistil: pistil: ovules parietal placentation, ovules axillary placentation
Ovary: position: superior, inferior
Stigma: 2-cleft, 3-cleft, 4+ -cleft
Fruit: types and characters: a capsule (incl. pod, follicle, etc.), a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.), fleshy (berry, drupe, pome)
Seed: embryo: curved
Seed: endosperm: seeds without endosperm
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link