Coreopsis lanceolata (Lanceleaf Coreopsis)

Plant Info
Also known as: Lance-leaf Tickseed, Sand Coreopsis
Genus:Coreopsis
Family:Asteraceae (Aster)
Life cycle:perennial
Origin:Southeastern and Midwest US
Habitat:sun; moist to dry sandy soil; prairies, roadsides, railroads, dunes, savanna, shores, woodland edges
Bloom season:May - July
Plant height:18 to 36 inches
Wetland Indicator Status:GP: FACU MW: FACU NCNE: FACU
MN county distribution (click map to enlarge):Minnesota county distribution map
National distribution (click map to enlarge):National distribution map

Pick an image for a larger view. See the glossary for icon descriptions.

Detailed Information

Flower: Flower shape: 7+petals

[photo of flower] Flowers are single at the top of the stem, 2 to 3 inches across with about 8 yellow rays (petals) that are shallowly lobed or toothed at the tip. The center disk is yellow with numerous tiny, 5-petaled flowers.

[photo of phyllaries (bracts)] The bracts (phyllaries) cupping the flower head are in 2 series, the inner phyllaries in 2 layers, diamond to egg-shaped, blunt to pointed at the tip, green at the base and yellowish to brownish to greenish at the tip; the outer phyllaries are slightly shorter than the inner, narrowly egg-shaped to triangular, green, and hairless or fringed with short hairs. Flower stalks are mostly hairless.

Leaves and stems: Leaf attachment: opposite Leaf type: lobed Leaf type: simple

[photo of leaves] Leaves are all on the lower half of the stem, opposite, 3 to 8 inches long, to about 1 inch wide, broadest above or below the middle, blunt to pointed at the tip, tapering at the base, toothless, hairless or variously stiff-hairy. The lowest leaves are stalked and may have 1 or 2 pair of narrow lobes near the base; the uppermost leaves are smallest, short-stalked to stalkless. Stems are mostly hairless, branched or not, multiple from the base forming clumps.

Fruit: Fruit type: seed without plume

Fruit is a black, egg-shaped seed about 1/8 inch (to 3 mm) long, with brown, papery wings along the edges.

Notes:

Lanceleaf Coreopsis is native from the Great Lakes south to the Gulf of Mexico, but the western edge of its range ends at the Wisconsin/Minnesota border. It is widely available in the nursery trade and is sometimes included in restoration plantings. It is recognized by leaves all on the lower half of the stem, most leaves lacking any lobes; all-yellow flowers 2 to 3 inches across, the rays toothed or shallowly lobed at the tips; black seeds with brown, papery wings.

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More photos

Photos by K. Chayka taken in Ramsey County. Photos by Peter M. Dziuk taken in his garden.

Comments

Have you seen this plant in Minnesota, or have any other comments about it?

Posted by: Heidi Hughes - Marshall County on the Pembina Trail
on: 2021-06-16 19:45:00

Photographed several this week along the Pembina Trail in Marshall County.

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