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Lemnaceae - Duckweed family
Literature
Hepper, F.N. (1973) Lemnaceae FTEA
Leistner, O.A. (ed.) (2000) Seed plants of southern Africa: families and genera Strelitzia 10
Description of the family
Minute aquatic herbs, floating (in ours), often occurring in great numbers. Structure very reduced, consisting of a flat or curved thallus; stem and leaves undifferentiated. Roots present or 0, suspended in the water, the tip covered by a cap. Vegetative reproduction usual with a daughter thallus budding from a lateral pocket. Flowers unisexual, produced erratically, developing in a "budding pouch", enclosed by a spathe or spathe 0. Male flowers 1-2, reduced to a single stamen; anthers 1-2-thecous. Female flowers solitary, flask-shaped; style short; ovary 1-locular. Seeds ellipsoid, usually ribbed. Worldwide: 4 genera and 25 species, cosmopolitan. |
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Links to genera: (4) View: living plant images - herbarium specimen images - all images for this family
| Genus | Content |
| Lemna L. | Description, Image |
| Spirodela Schleid. | Description |
| Wolffia Horkel ex Schleid. | Description |
| Wolffiella (Hegelm.) Hegelm. | Description |
Key to Genera
Display keyOther sources of information about Lemnaceae:
GRIN (Germplasm Resources Information Network) taxonomy for plants report for LemnaceaeGoogle: Web - Images - Scholar
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