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Western Wetland Flora

Field Office Guide to Plant Species

Lyall's Angelica
Angelica arguta Nutt.

JPG -- Species Photo JPG -- Distribution Map

Family: Parsley (Umbelliferae)
Flowering: July-August
Field Marks: The individual leaflets in this species are lanceolate to ovate, the ovaries are smooth, and the fruits are not winged with thick, corky ridges.
Habitat: Wet woods, bogs.
Habit: Perennial herb with a stout taproot.
Stems: Stout, usually branched, to 6 feet tall, smooth or slightly rough to the touch.
Leaves: Alternate, 2- or 3-pinnately compound, the leaflets lanceolate to ovate, up to 6 inches long, up to 2 inches wide, more or less pointed at the tip, rounded at the base, toothed, smooth or slightly rough to the touch; leaf stalks up to 1 foot long.
Flowers: Many borne in several compound umbels, the rays of each umber up to 4 inches long, the stalks of each flower up to 1/2 inch long, with a conspicuous web at the base.
Sepals: Minute or absent.
Petals: 5, white, free from each other, up to 1/8 inch long.
Stamens: 5.
Pistils: Ovary inferior, smooth.
Fruits: Oval to obovate, up to 1/3 inch long, up to 1/4 inch broad, narrowly winged.
Notes: The fruits are eaten by birds.

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/plants/florawe/species/6/angeargu.htm
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Page Last Modified: Saturday, 02-Feb-2013 06:26:08 EST
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