杨柳科

Habit: tree, shrub

Taxon group: dicots

Plant: dioecious

Leaf: position: opposite, alternate

Leaf: nature: simple

Leaf: stipules: present

Flowers: inflorescence: solitary, catkin

Flowers: sexuality: unisexual, polygamous

Flowers: disc: present

Flowers: perianth number: 0

Stamen: number: 2, 3, 4, 5, 6, 7, 8, 9, 10+

Stamen: anthers: opening by longitudinal slits, 2-celled, 4+ -celled

Stamen: filaments: free, connate into 1 tube or bundle

Pistil: style: styles more than 1, style 1, or styles more or less connate

Pistil: ovary: 1-loculed, 2-loculed

Ovary: position: superior

Fruit: types and characters: a capsule (incl. pod, follicle, etc.)

Fruit: seed: 4+ seeds, filiform velvety

Google Image Search: Link

Dictionary of The Families & Genera of Chinese Seed Plants: Link

Vascular Plant Type Catalog at NYBG: Link