Capnoides sempervirens

Corydalis sempervirens from The botanical magazine, 1792

The Evergreen corydalis ( Corydalis sempervirens ) is a native to North America species of the subfamily of Fumitory ( Fumarioideae ) within the family of the poppy family ( Papaveraceae ). The first description of the species was published in 1753 by Carolus Linnaeus in Species Plantarum.

Description

The bluish-green, two perennial herbaceous plant has a 30 to 80 inches long erect stem usually branched and is rich. The growing down the stem leaves are long-petiolate, the top growing leaves almost sitting and reduced. The leaves are pinnate, the lower leaves with five leaflets, the upper with three leaflets; the leaflets are first divided into three parts, then cut once or twice, the leaflets oblong- elliptical, the leaf base obtuse, acuminate.

The inflorescence is a raceme or panicle with one to eight flowers. The bracts of the flowers are elliptic, 2-5 mm long and 0.5 to 1 mm wide. The flower stems are 5 to 20 millimeters long. The flowers are pink and yellow overcrowded, they have a 3 to 4 millimeters long baggy spur on. The fruit is an upright 25 to 35 millimeters long, straight or slightly curved thin capsule; the number of black shiny seeds have a diameter of approximately 1 millimeter.

The flowering period extends from mid-May to mid-September, the fruit period from early June to late September.

Habitat requirements and distribution

This sort flat ground, populated, often dry soils, rock ledges, crevices and screes, and burned or otherwise disturbed soil conditions at altitudes of 200 to 2000 m. The distribution extends from northeastern Georgia to Maine and Newfoundland, west to Montana and British Columbia and northwestward to Alaska.

Synonyms

• Fumaria sempervirens L.
• Neckeria sempervirens Neck.
• Fumaria glauca Curt.
• Capnoides sempervirens Borkh. in Roem.
• Corydalis glauca Pursh
• Corydalis rosea Eaton
• Corydalis annua Hoffmann. ex Steud.
• Neckeria glauca Millsp.