水蕹科

Habit: herb

Important diagnostics: aquatic plants

Taxon group: monocots

Stem: rhizome, corm

Plant: monoecious, dioecious

Leaf: position: spiral

Flowers: inflorescence: spike

Flowers: sexuality: bisexual

Flowers: symmetry: actinomorphic

Flowers: perianth number: 0, 1, 2, 3

Flowers: petal number/corolla lobes: 2, 3, 4, 5, 6

Flower: bract: absent

Stamen: number: 6, 7, 8, 9, 10+

Stamen: other characters: staminodia present

Pistil: carpel: 3, 4, 5, 6+

Pistil: ovule: 2 per locule, 3 per locule, 4+ per locule

Fruit: types and characters: a capsule (incl. pod, follicle, etc.)

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