Packera subnuda

Packera subnuda
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Senecioneae
Genus: Packera
Species: P. subnuda
Binomial name
Packera subnuda
(DC.) Trock & T.M.Barkley
Synonyms
  • Packera buekii
  • Senecio cymbalarioides

Packera subnuda is a species of flowering plant in the aster family known by the common names Buek's groundsel and cleftleaf groundsel. It is native to western North America from the Northwest Territories to northern California to Wyoming, where it grows in high mountain meadows in subalpine and alpine climates.

It is a perennial herb producing one erect stem or a small cluster of 2 or 3 stems from a rhizome and/or fibrous root system. The stems grow 5 to about 30 centimeters tall. The basal leaves have fleshy oval blades up to 3 or 4 centimeters long borne on petioles, with leaves farther up the stem smaller and simpler.

The inflorescence is a single flower head, or occasionally two to five heads. Each is lined with reddish or green phyllaries with green or bluish tips. The head contains many golden yellow disc florets and usually 13 yellow ray florets each roughly a centimeter long.

External links

This article is issued from Wikipedia - version of the Thursday, January 17, 2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.