Habit: tree, shrub
Important diagnostics: spiny stems or leaves
Taxon group: dicots
Leaf: position: opposite
Leaf: blade: margin: entire
Leaf: stipules: absent
Flowers: sexuality: bisexual
Flowers: sepal number/calyx lobes: 5, 6, 7+
Flowers: sepal/calyx nature: tubular, campanulate
Flowers: petal number/corolla lobes: 5, 6, 7
Stamen: number: 3, 4, 5, 6, 7, 8, 9, 10+
Pistil: ovule: 2 per locule, 3 per locule, 4+ per locule
Pistil: pistil: ovules parietal placentation, ovules axillary placentation
Ovary: position: inferior
Fruit: types and characters: fleshy (berry, drupe, pome)
Seed: aril: present
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link
