Potamogetonaceae Dumortier
眼子菜科
Habit: herb
Important diagnostics: aquatic plants
Taxon group: monocots
Leaf: position: opposite, alternate
Flowers: inflorescence: spike
Flowers: sexuality: bisexual
Flowers: perianth number: 4
Stamen: number: 4
Pistil: style: absent, style 1, or styles more or less connate
Pistil: carpel: 4
Pistil: ovary: 1-loculed
Pistil: ovule: 1 per locule
Fruit: types and characters: fleshy (berry, drupe, pome)
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
