Helianthus laciniatus
Helianthus laciniatus | |
---|---|
Scientific classification | |
Kingdom: | Plantae |
(unranked): | Angiosperms |
(unranked): | Eudicots |
(unranked): | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Genus: | Helianthus |
Species: | H. laciniatus |
Binomial name | |
Helianthus laciniatus A.Gray 1849 not (L.) E.H.L.Krause 1905 | |
Synonyms[1] | |
|
Helianthus laciniatus is a North American species of sunflower known by the common name alkali sunflower.[2] It is found in the southwestern United States (southeastern Arizona, southern New Mexico, western Texas)[3] and north-central Mexico (Chihuahua, Coahuila, Nuevo León, Durango).[4] It is fairly common in the Chihuahuan Desert.[5]
Helianthus laciniatus is a perennial herb up to 200 cm (almost 7 feet) tall. Most of the leaves are on the stem rather than clumped together close to the ground, each leaf is up to 9 cm (2.7 inches) long. One plant usually produces 1-9 flower heads. Each head has with 14–20 yellow ray florets surrounding 40 or more red or purple disc florets. The plant grows in dry, alkaline desert soils.[5]
References
- ↑ The Plant List, Helianthus laciniatus A.Gray
- ↑ "Helianthus laciniatus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 6 July 2015.
- ↑ Biota of North America Program 2014 county distribution map
- ↑ SEINet, Southwestern Biodiversity, Arizona Chapter, Helianthus laciniatus A. Gray photos, description, distribution map
- 1 2 Flora of North America, Helianthus laciniatus A. Gray
External links
This article is issued from Wikipedia - version of the Monday, July 06, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.