Habit: tree, shrub, herb
Important diagnostics: spiny stems or leaves, cystoliths present, succulent
Hairs: stinging
Taxon group: dicots
Stem: climbing/twining
Leaf: position: opposite, alternate
Leaf: nature: simple
Leaf: stipules: absent, present
Flowers: inflorescence: solitary, raceme, spike, head, cyme, panicle
Flowers: sexuality: bisexual, unisexual
Flowers: symmetry: actinomorphic
Flowers: perianth number: 4, 5
Flowers: sepal number/calyx lobes: 0
Stamen: arrangement: antepetalous, same number as petals or sepals
Stamen: anthers: 2-celled
Stamen: other characters: staminodia present
Pistil: style: absent, style 1, or styles more or less connate
Pistil: carpel: 1
Pistil: ovary: 1-loculed
Pistil: ovule: 1 per locule
Ovary: position: superior
Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.)
Fruit: seed: 1 seed
Seed: embryo: straight
Seed: 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
