Chrysothamnus viscidiflorus

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Chrysothamnus viscidiflorus
Chrysothamnusvicidiflorus.JPG
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae
Genus: Chrysothamnus
Species: C. viscidiflorus
Binomial name
Chrysothamnus viscidiflorus
(Hook.) Nutt.
Synonyms[1]

Chrysothamnus viscidiflorus is a North American species of shrub in the daisy family known by the common names yellow rabbitbrush and green rabbitbrush.

Distribution[edit]

The plant is widespread across much of the western United States and western Canada, from British Columbia and Montana south to California and New Mexico, with a few populations in the Black Hills of South Dakota and in western Nebraska.[2]

Chrysothamnus viscidiflorus grows easily in alkaline and saline soils, and thrives on soils that are rich in calcium.[3] It rapidly establishes in disturbed habitat, including burns, flooded washes, and rockslides, so it is a valuable shrub for revegetating damaged land such as overgrazed rangeland and abandoned mining areas.[3]

Description[edit]

Chrysothamnus viscidiflorus grows up to about 150 cm (59 in; 5 ft) in height with spreading brittle pale-colored stem branches. The leaves are up to a few centimeters long and may be thin and thread-like or up to a centimeter wide and oblong. They are glandular, resinous, and sticky.

The inflorescence is a bushy cluster of flower heads, each head one half to one centimeter long. The flower head is lined with sticky yellow-green phyllaries and contains several yellowish protruding flowers.

The fruit is a hairy achene a few millimeters long with a wispy pappus at the tip. The species grows in sagebrush and woodland habitat[4]

Chrysothamnus viscidiflorus contains an unusual m-hydroxyacetophenone derivative, named viscidone, and chromanone derivatives.[5]

Subspecies and varieties[edit]

Subspecies and varieties include:[6][7][8][9]

References[edit]

External links[edit]