- Helianthus ciliaris is a perennial herbaceous plant that can grow from 1.3-2.3 ft. (40-70 cm) tall. The stems are blue-green to gray-green in color and can be upright to recumbent. H. ciliaris is native to Arizona, Kansas, New Mexico, Oklahoma, Texas, Utah and Mexico.
- The mostly opposite leaves are cauline, sessile and veined. They are linear to lanceolate and from 1.2-3.0 x 0.2-0.9 in. (3-7.5 x 0.5-2.2 cm) long by wide.
- The flowers are composites. The ray flowers are yellow while the disk flowers are reddish to purple-brown in color.
- The fruits are glabrous cypselae containing a single seed. Seeds are smooth and hairless, 0.12-0.14 in. (3-3.5 mm) long. H. ciliaris also readily reproduces vegetatively by rhizomes.
- Ecological Threat
- H. ciliaris grows along roadsides, ditches, cultivated fields and open drainage areas. It can spread aggressively, especially in cultivated fields. The creeping rhizomes of H. ciliaris allow it to form extensive colonies.
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
State Invasive List - This map identifies those states that list this species on their invasive species list. For more information, visit Invasive.org
Invasive Listing Sources
Other System LinksPlants: HECI
NPDN Pest: PBFBUBC
NPDN Host: 36395
|Common Name Reference:|| USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|
|Scientific Name Reference:||USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|