Coreopsis linifolia Nutt.

Savannah Tickseed, Texas Tickseed

Herb

Perennial

Vascular

Savannah Tickseed is a native herbaceous perennial in the Sunflower family (Asteraceae). It is native to the southern third of Alabama. Savannah Tickseed occurs in Pitcher Plant bogs, in wet pine savanna’s, and in wet roadside ditches. It is a short-lived perennial with a short upright caudex and fibrous roots. The stems are 2-3 feet in height, glabrous, green in color, and unbranched below the middle. Leaves are basal and cauline. The basal leaves are oblanceolate to spatulate in outline, long petiolate, entire, and glabrous. Stem leaves are opposite or alternate, sessile, linear to lance linear in outline, entire, and glabrous. The leaves have small translucent dots. Flowers are produced in heads. The heads are arranged in open corymbs. Each head has 8-12 yellow ray flowers that are lobed at the apex and 20-50 reddish-brown disc flowers. The fruit is a winged achene. Savannah Tickseed is sometimes treated as a variety of Swamp Tickseed (Coreopsis gladiata Walter). That species has only alternate leaves, more numerous and larger basal leaves, fewer stem leaves, and no translucent dots on the leaves.—A. Diamond

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Native FACW (NWPL)

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