giant chickweed
(Myosoton aquaticum)
Conservation • Wetland • Description • Habitat • Biology • Use • Distribution • Taxonomy
Conservation Status |
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| IUCN Red List | not listed |
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| NatureServe | NNA - Not applicable SNA - Not applicable |
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| Minnesota | not listed |
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Wetland Indicator Status |
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| Great Plains | FAC - Facultative |
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| Midwest | FACW - Facultative wetland |
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| Northcentral & Northeast | FAC - Facultative |
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Description |
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The opposite leaves are up to 2″ long and up to 1″ wide. They are mostly stalkless except the lower leaves, which are on short stalks. The flowers are ¼″ to ½″ wide when fully open. The petals are much longer than the sepals. There are 5 styles. |
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Height |
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4″ to 32″ |
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Flower Color |
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White |
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Similar Species |
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The flowers of other chickweeds are no more than ⅓" wide when fully open. Hoary alyssum (Berteroa incana) flowers have four petals, not five. |
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Habitat |
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Moist or wet. Woods, disturbed sites. |
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Biology |
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Flowering |
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May to October |
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Use |
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Distribution |
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Sources |
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| 6/13/2017 | ||||
Nativity |
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Native to Asia, Europe, and the Indian subcontinent. Introduced and naturalized in the United States. |
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Occurrence |
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Taxonomy |
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| Kingdom | Plantae (green algae and land plants) | ||
| Subkingdom | Viridiplantae (green plants) | ||
| Infrakingdom | Streptophyta (land plants and green algae) | ||
| Superdivision | Embryophyta (land plants) | ||
| Division | Tracheophyta (vascular plants) | ||
| Subdivision | Spermatophytina (seed plants) | ||
| Class | Magnoliopsida (flowering plants) | ||
| Subclass | Caryophyllidae | ||
| Superorder | Caryophyllanae | ||
Order |
Caryophyllales (pinks, cactuses, and allies) | ||
Family |
Caryophyllaceae (pink) | ||
| Subfamily | Alsinoideae | ||
| Tribe | Alsineae | ||
Genus |
Myosoton (chickweed) | ||
Subordinate Taxa |
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Synonyms |
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Alsine aquatica Cerastium aquaticum Malachium aquaticum Stellaria aquatica |
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Common Names |
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giant chickweed giantchickweed water chickweed |
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Plant |
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Inflorescence |
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Flower |
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Leaves |
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Stem |
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