Summer Dreaming

lorilee

Sumner, United States

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Artist's Description

Beautiful Yellow Coneflowers on Carpenter’s Prairie near
my home in northeast Iowa. USA

Yellow Coneflower
Ratibida pinnata
Aster family (Asteraceae)

Description: This native perennial is up to 4’ tall while in flower. The long slender stems are slightly ridged. The basal leaves occur toward the bottom of these stems and are irregularly shaped – the larger leaves are pinnately divided into 3-7 lobes, sometimes subdividing further into 1-2 secondary lobes. The margins of these leaves are smooth, or sparsely dentate; they are individually up to 8" long and 5" across. The smaller leaves higher up on the stems are usually lanceolate; they are few in number. The texture of these leaves is rough as a result of tiny stiff hairs and bumps. The daisy-like composite flowers occur at the apex of the tall stems. Each composite flower has up to 13 drooping yellow ray florets spanning 1-2½" across, and an oblong head of disk florets that is about ½–¾" tall when mature. This head is initially light green or grey, but later becomes dark brown. The blooming period occurs from early to late summer, and lasts about 1-2 months. There is little or no floral scent – although the seedheads release an anise scent when they are crushed. The root system is rhizomatous, often forming tight clumps of plants. The dark achenes are without tufts of hair.

Cultivation: The preference is full sun, mesic conditions, and a loam or clay-loam soil. However, this is a robust plant that will tolerate partial sun, moist to slightly dry conditions, and many kinds of soil. Foliar disease doesn’t affect the leaves until after the blooming period. There is a tendency for the flowering stems to flop around if this plant is spoiled by too much water or fertile soil. This plant is easy to grow.

Range & Habitat: Habitats include moist to slightly dry black soil prairies, clay prairies, thickets, woodland borders, limestone glades, and areas along railroads, particularly where remnant prairies occur. Yellow Coneflower tends to colonize the more disturbed areas of these habitats.

Artwork Comments

  • Rosalie Scanlon
  • lorilee
  • barnsis
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  • TomBaumker
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  • kalaryder
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  • Monnie Ryan
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  • Heloisa Castro
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  • labaker
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  • sundawg7
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  • CJTill
  • lorilee
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