Habit: tree, shrub, herb
Important diagnostics: spiny stems or leaves
Hairs: glandular, stellate, branched
Taxon group: dicots
Leaf: position: alternate
Leaf: nature: simple, compound, pinnately compound
Leaf: blade: margin: entire, lobed, cleft, parted or divided, dentate
Leaf: stipules: absent
Flowers: inflorescence: solitary, raceme, umbel, fascicle, cyme, panicle
Flowers: sexuality: bisexual, polygamous
Flowers: symmetry: actinomorphic
Flowers: sepal number/calyx lobes: 5
Flowers: petal number/corolla lobes: 5
Flowers: petal position: connate or basally connate
Flower: bractlet: present
Stamen: number: 4, 5
Stamen: arrangement: alternate or antesepalous, same number as petals or sepals
Stamen: anthers: opening by longitudinal slits, opening by apical pores
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, 3-loculed, 4-loculed, 5-loculed
Pistil: ovule: 1 per locule, 2 per locule, 3 per locule, 4+ per locule
Pistil: pistil: ovules axillary placentation
Fruit: types and characters: a capsule (incl. pod, follicle, etc.), fleshy (berry, drupe, pome)
Seed: embryo: straight, curved
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
