Coreopsis auriculata
Encyclopedia
Coreopsis auriculata is a plant species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of the genus coreopsis in Asteraceae. Coreopsis species are commonly called Tickseeds. This species is perennial growing from 10–30 cm (4-12 inches) tall and sometimes to 60+ cm (30 inches). Pants with rounded yellow colored flowers bloom in spring and early summer. They are often stoloniferous, forming long spreading colonies by way of short stolon
Stolon
In biology, stolons are horizontal connections between organisms. They may be part of the organism, or of its skeleton; typically, animal stolons are external skeletons.-In botany:...

s produced after flowering. Plants produce both basal and cauline leaves; the foliage occupy 1/4–1/2 of the plant height, the leaves have petiole
Petiole (botany)
In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules. Leaves lacking a petiole are called sessile, or clasping when they partly surround the...

s 1–6(–10+) cm long, with simple leaf blades or they sometimes have 1 or 2, or more lateral lobes. The basal leaf blades are suborbiculate or ovate-elliptic to lance-ovate in shape and typically 15–55 mm long and 9–25 mm wide. Flower heads are produced on the ends of 8 to 25 cm long peduncle
Peduncle (botany)
In botany, a peduncle is a stem supporting an inflorescence, or after fecundation, an infructescence.The peduncle is a stem, usually green and without leaves, though sometimes colored or supporting small leaves...

s, the heads have 9–12 mm long phyllaries that are lance-deltate to lance-ovate in shape. The flower petals or more properly the ray laminae are yellow colored and 15–20+ mm long. The disc flowers have corollas 3.5–4.5 mm long with yellow colored apices. Cypselae or the fruits containing a single seed are 1.5–2.5 mm long and brown black in color with no wings.

Plants are found growing along roadsides and in openings in woods with mixed hardwood trees and pine barrens especially with calcareous soils in the south eastern USA. Coreopsis auriculata 'Nana' is commonly grown as a blooming ground cover in garden
Garden
A garden is a planned space, usually outdoors, set aside for the display, cultivation, and enjoyment of plants and other forms of nature. The garden can incorporate both natural and man-made materials. The most common form today is known as a residential garden, but the term garden has...

settings.

An orange to red/orange dye produced from the flowers and stems has been used in the past.
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