Habit: tree, shrub, herb, liana
Important diagnostics: with milky juice
Taxon group: dicots
Leaf: position: opposite, alternate, verticillate/whorled
Leaf: nature: simple
Leaf: venation: pinnate
Leaf: blade: margin: entire, dentate
Leaf: stipules: absent
Flowers: inflorescence: solitary, cyme
Flowers: sexuality: bisexual
Flowers: symmetry: actinomorphic
Flowers: disc: present
Flowers: sepal number/calyx lobes: 4, 5
Flowers: sepal/calyx nature: glandular
Flowers: petal number/corolla lobes: 4, 5
Flowers: petal position: connate or basally connate
Flowers: petal nature: contorted
Flowers: corona: present
Flower: bractlet: present
Corolla: rotate, funnelform, salverform, urceolate
Stamen: number: 4, 5
Stamen: anthers: opening by longitudinal slits
Stamen: filaments: inserted on the corolla
Pistil: style: style 1, or styles more or less connate
Pistil: carpel: 2
Pistil: ovary: 1-loculed, 2-loculed
Pistil: ovule: 1 per locule, 2 per locule
Ovary: position: superior, half-inferior
Fruit: types and characters: a capsule (incl. pod, follicle, etc.), fleshy (berry, drupe, pome)
Seed: embryo: straight
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link
