钩枝藤科

Habit: shrub, liana

Taxon group: dicots

Stem: climbing/twining

Leaf: position: opposite, alternate

Leaf: blade: margin: entire

Leaf: stipules: present

Flowers: inflorescence: panicle

Flowers: sexuality: bisexual

Flowers: symmetry: actinomorphic

Flowers: sepal number/calyx lobes: 5

Flowers: petal number/corolla lobes: 5

Flowers: petal position: connate or basally connate

Stamen: number: 5, 10+

Stamen: arrangement: antepetalous

Stamen: anthers: opening by longitudinal slits

Pistil: ovary: 1-loculed

Pistil: pistil: ovules attached to the base of the ovary

Ovary: position: half-inferior, inferior

Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.)

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