Habit: tree
Important diagnostics: with milky juice
Taxon group: dicots
Plant: dioecious
Leaf: position: alternate, spiral
Leaf: nature: simple
Leaf: venation: pinnate
Leaf: blade: margin: lobed, cleft, parted or divided, dentate
Leaf: stipules: absent
Flowers: inflorescence: solitary, fascicle, head
Flowers: sexuality: unisexual
Flowers: perianth number: 0
Flower: bract: present
Stamen: number: 3, 5, 6, 7, 8, 9, 10+
Stamen: anthers: basifixed, opening by longitudinal slits, 4+ -celled
Pistil: carpel: 2
Pistil: ovary: 1-loculed
Pistil: ovule: 2 per locule
Stigma: 2-cleft
Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.), winged/samara
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
