Habit: tree, shrub, herb, liana, vine
Important diagnostics: with milky juice
Taxon group: dicots
Root: aerial, buttressed
Plant: monoecious, dioecious
Leaf: position: opposite, alternate
Leaf: nature: simple, palmately compound
Leaf: venation: pinnate, palmate
Leaf: blade: margin: entire, lobed, cleft, parted or divided
Leaf: stipules: present
Flowers: inflorescence: raceme, spike, head, cyme, catkin
Flowers: sexuality: unisexual
Flowers: perianth number: 4
Flowers: perianth nature: perianth of similar segments
Flowers: sepal number/calyx lobes: 2, 3, 4
Flowers: sepal position: all free from one another, connate or basally connate
Flowers: sepal/calyx nature: imbricate, valvate
Flowers: petal number/corolla lobes: 0
Stamen: arrangement: antepetalous, same number as petals or sepals
Stamen: anthers: 1-celled at anthesis, 2-celled
Pistil: ovary: 1-loculed, 2-loculed
Pistil: ovule: 1 per locule
Ovary: position: superior, half-inferior, inferior
Stigma: 2-cleft
Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.), fleshy (berry, drupe, pome)
Fruit: seed: 1 seed
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
