马尾树科

Habit: tree

Important diagnostics: resiniferous

Taxon group: dicots

Leaf: position: alternate

Leaf: nature: pinnately compound

Leaf: blade: margin: dentate

Leaf: other characters: with pellucid or glandular dots or lines

Leaf: stipules: present

Flowers: inflorescence: spike, fascicle, panicle

Flowers: sexuality: bisexual, polygamous

Flowers: sepal number/calyx lobes: 4

Flowers: sepal/calyx nature: imbricate

Flowers: petal number/corolla lobes: 0

Flower: bract: present

Flower: bractlet: present

Stamen: number: 6

Stamen: anthers: opening by longitudinal slits

Stamen: filaments: free

Pistil: ovary: 2-loculed

Pistil: ovule: 1 per locule

Ovary: position: superior

Stigma: 2-cleft

Fruit: types and characters: winged/samara

Seed: embryo: straight

Seed: endosperm: seeds without endosperm

Google Image Search: Link

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

Vascular Plant Type Catalog at NYBG: Link