different between milkweed vs duckweed

English

Etymology

milk +? weed

Noun

milkweed (plural milkweeds)

1. Any of several plants that have a milky sap and have pods that split to release seeds with silky tufts.
   1. Principally of the genus Asclepias in order Gentianales, family Apocynaceae
   2. Also of the genus Calotropis in order Gentianales, family Apocynaceae
   3. Euphorbia peplus and Euphorbia heterophylla, in order Malpighiales.
2. A monarch butterfly (Danaus spp).

Synonyms

• silkweed

Hyponyms

• (plants in genus Asclepias): common milkweed (Asclepias syriaca), clasping milkweed (Asclepias amplexicaulis), butterfly milkweed (Asclepias tuberosa), fourleaf milkweed (Asclepias quadrifolia), green comet milkweed (Asclepias viridiflora), poke milkweed (Asclepias exaltata), purple milkweed (Asclepias purpurascens), red milkweed (Asclepias rubra), redring milkweed (Asclepias variegata), swamp milkweed (Asclepias incarnata), whorled milkweed (Asclepias verticillata)

Translations

References

• milkweed on Wikipedia.Wikipedia
• Asclepias on Wikispecies.Wikispecies
• milkweed at USDA Plants database

English

Etymology

duck +? weed. Supposedly so-named for often being consumed by ducks and other waterfowl.

Noun

duckweed (countable and uncountable, plural duckweeds or duckweed)

1. Any of several reduced floating aquatic plants in the subfamily Lemnoideae of the family Araceae.
   • 1909, H. G. Wells, The Beautiful Suit

     But his face was a face of such happiness that, had you seen it, you would have understood indeed how that he had died happy, never knowing that cool and streaming silver for the duckweed in the pond.

Translations