UW Burke Herbarium species comparison

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Chelidonium majus

devil's milk, swallow wort
Habit Nearly glabrous perennial, the stems branching, ribbed, to 10 dm. tall.
Leaves

Basal leaves in a rosette;

cauline leaves alternate, up to 35 cm. long with petioles 2-10 cm. long;

leaf blades deeply 5-9 lobed, the margins irregularly dentate.
Flowers

Inflorescence a terminal umbel, the peduncle 2-10 cm. long, pedicles 5-35 mm. long;

sepals 2, distinct, up to 1 cm. long;

petals 4, bright yellow, obovate to oblong, up to 2 cm. wide;

flowers 20-25 mm. in diameter;

stamens 12-many;

style 1 mm. long.
Fruits

Capsules linear to narrowly oblong, 2-5 cm. long, glabrous

Chelidonium majus
Flowering time May-July
Habitat Moist to dry woods, roadsides, fields, waste areas.
Distribution
Occurring chiefly west of the Cascades crest in Washington; southern British Columbia to Oregon, east to Montana; also in eastern North America.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Eurasia
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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Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

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