Important diagnostics: spiny stems or leaves, succulent
Taxon group: dicots
Leaf: nature: rudimentary
Flowers: sexuality: bisexual
Flowers: symmetry: actinomorphic, zygomorphic
Flowers: perianth nature: perianth of similar segments, perianth of calyx and corolla
Stamen: filaments: inserted on the corolla
Pistil: ovary: 1-loculed
Pistil: pistil: ovules parietal placentation
Ovary: position: inferior
Fruit: types and characters: fleshy (berry, drupe, pome)
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link
