Parthenium incanum
(Mariola)
Parthenium incanum, Along Hwy 118 west of Panther Junction, Big Bend National Park 6004
Parthenium incanum, Along Hwy 118 west of Panther Junction, Big Bend National Park 5999
Parthenium incanum, Along Hwy 118 west of Panther Junction, Big Bend National Park 6012
Parthenium incanum, Along Hwy 118 west of Panther Junction, Big Bend National Park 6017
Parthenium incanum, Along Hwy 118 west of Panther Junction, Big Bend National Park 6008
Parthenium incanum, Along Hwy 118 west of Panther Junction, Big Bend National Park 6009
| Scientific Name | Parthenium incanum | USDA PLANTS Symbol | PAIN2 |
| Common Name | Mariola | ITIS Taxonomic Serial No. | 38165 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
Click Here |
| Description | Habitat: Desert scrub, gravelly slopes and plains, open areas, limestone soils, 2,500 to 5,000 ft. Plant: Perennial shrub with gray-green foliage; low-growing, 12 to 40 inches tall; multiple branches from base, woody below. Leaves: Leaf shape broadly ovate overall, 3/8 to 2-3/8 inches long and up to 3/4-inch wide, irregularly lobed or pinnatifid, on short petioles; very short hairs on both surfaces, especially dense on lower; surfaces dotted with glands. Inflorescence: Terminal cluster of composite white flower heads, each 3/16-inch across, with 5 ray florets surrounding 8 to 20 or more disk florets. Bloom Period: June to October. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and SEINet. |
BONAP Distribution Map Map Color Key |
Texas Status: Native |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2024