UW Burke Herbarium species comparison

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Myosoton aquaticum

giant chickweed, water chickweed
Habit Straggling, herbaceous perennial, the stems decumbent to ascending, simple or branched, up to 6 dm. tall, pubescent above.
Leaves

Leaves opposite, ovate, the tip acute, the lower leaves petiolate, gradually reduced upward, becoming sessile above
Flowers

Flowers solitary in the leaf axils, long petiolate;

sepals 5, green, linear-oblanceolate;

petals 5, white, deeply notched, about 7 mm. long, much longer than the sepals;

stamens 10;

styles 5.
Fruits

Capsule globose-ovoid, opening by 5 valves.

Myosoton aquaticum
Identification notes Capsule
Flowering time June-October
Habitat Stream banks, woods, marshes and wet meadows.
Distribution
Occurring east of the Cascades crest in southeastern Washington; British Columbia to Oregon, east to Idaho and Montana; also in central and eastern North America.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Europe
Conservation status Not of concern
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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