Najadaceae A. L. de Jussieu
茨藻科
Habit: herb
Important diagnostics: aquatic plants
Taxon group: monocots
Plant: monoecious, dioecious
Leaf: position: opposite
Leaf: blade: margin: dentate
Flowers: sexuality: unisexual
Flowers: perianth number: 1
Flowers: petal number/corolla lobes: 0
Flower: pedicel: absent
Stamen: number: 1
Pistil: ovary: 1-loculed
Pistil: ovule: 1 per locule
Stigma: 2-cleft, 3-cleft, 4+ -cleft
Google Image Search: Link
Dictionary of The Families & Genera of Chinese Seed Plants: Link
Vascular Plant Type Catalog at NYBG: Link