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Corydalis flavula (Raf.) DC.

Capnoides flavulum (Raf.) Kuntze

Fumaria flavula Raf.

Yellow corydalis, yellow fumewort, yellow harlequin

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassMagnoliidaeIncludes magnolias, nutmeg, bay laurel, cinnamon, avocado, black pepper, and many others
OrderPapaveralesA group that includes buttercups and other poisonous plants
FamilyFumariaceaeFumitory, fumewort, or bleeding-heart family
GenusCorydalisMeans “crested lark”
SpeciesflavulaYellow fumewort

About plant names...

Yellow fumewort is native to North America.

Identification: Plants are up to 12" (30 cm) tall, with one or more emerging from a single taproot. Stems have angled sides and a reddish tint. Leaves are alternate, and finely divided. Flowers are in racemes (groups) up to 3" (8 cm) in size. Individual flowers are yellow, tubular, about ¾" (1.9 cm) long, opening at the end with serrated upper and lower petals and two smooth central petals. There is a spur on the back of each flower. They appear in April and May. Fruits are silques, like small bean pods, up to 1" (2.5 cm) long, turning dark red.

Online References:

Corydalis flavula on Southeastern Flora, the Southeastern U.S. Plant Identification Resource

Corydalis flavula on Missouriplants.com

Corydalis flavula on the Connecticut Botanical Society's Connecticut wildflowers site

Corydalis flavula at 2bnTheWild.com

Corydalis flavula on Ontario Wildflowers

Corydalis flavula on eFloras

Corydalis flavula (yellow corydalis, yellow fumewort, yellow harlequin)

3/20/2012 · Gunpowder Falls State Park, Phoenix Rd, Phoenix, Mary­land
≈ 3½ × 3" (8.6 × 7.8 cm)

Corydalis flavula description by Thomas H. Kent, last updated 25 May 2020.

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Corydalis flavula (yellow corydalis, yellow fumewort, yellow harlequin)

3/20/2012 · Gunpowder Falls State Park, Phoenix Rd, Phoenix, Mary­land
≈ 2½ × 2½" (6.2 × 7.2 cm)

Corydalis flavula (yellow corydalis, yellow fumewort, yellow harlequin)

3/20/2012 · Gunpowder Falls State Park, Phoenix Rd, Phoenix, Mary­land
≈ 4 × 4½" (10 × 12 cm)

Corydalis flavula (yellow corydalis, yellow fumewort, yellow harlequin)

3/5/2000 · Memphis, Ten­nes­see · By Tim Chandler

Range:

About this map...