''Pyrrocoma lanceolata'' is a species of flowering plant in the family
Asteraceae known by the common name lanceleaf goldenweed.
It is native to western North America from central Canada to northeastern
California to
Colorado, where it grows in many types of habitat, including disturbed places and areas with wet,
alkali soils. It is a widespread and variable plant. It is a perennial herb growing one or more stems up to about half a meter long. The stems are decumbent or upright, reddish, usually somewhat hairy to quite woolly, and glandular toward the ends of the stems. The largest leaves are at the base of the plant, each measuring up to 30 centimeters in maximum length. They are generally lance-shaped with sawtoothed edges. The
inflorescence bears several, up to 50,
flower heads
A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...
lined with reddish to green
phyllaries. Each contains yellow disc florets and ray florets. The fruit is an
achene
An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not ope ...
up to a centimeter long including its
pappus.
References
External links
Jepson Manual TreatmentUSDA Plants ProfileFlora of North AmericaPhoto gallery
lanceolata
{{Astereae-stub