About Raillardella pringlei Greene
Raillardella pringlei is a rhizomatous perennial herb that grows in a clump of rosetted basal leaves. Its leaves are linear to lance-shaped, with smooth or faintly toothed edges. They can reach up to 15 centimeters in length, and are mostly hairless. Additional leaves grow in opposite pairs on the hairy-glandular stalk of the plant's inflorescence. The inflorescence is generally between 25 centimeters and half a meter tall, and holds either one solitary flower head or an array of up to three heads. The flower head is bell-shaped, sometimes very broadly so. It holds many orange to red-orange disc florets, each about a centimeter long, as well as a fringe of several orange or reddish ray florets, each up to 2 centimeters in length. The floral bract is densely covered with glandular hairs. The fruit is a long, narrow achene that can reach 2 centimeters in total length when including its pappus of plumelike bristles. Raillardella pringlei is endemic to the southern Klamath Ranges of northern California, where it grows in moist forest habitat on serpentine soils.
