Haplopappus Gracilis Plant Information
Haplopappus Gracilis grows in the following 9 states:Arizona, Colorado, New Mexico, Utah, California, Maine, Nevada, New York, Texas
Xanthisma gracile is a species of annual flowering plant in the Aster or Sunflower Family (Asteraceae) known by the common names slender goldenweed and annual bristleweed.
It is native the southwestern United States and northern Mexico, where it grows in the deserts and plateaus.
It is a bristly annual herb growing erect up to 45 centimeters tall.
The oval or oblong leaves are 1 to 3 centimeters long and divided into lobes or teeth tipped with bristles.
The inflorescence bears one or more flower heads lined with pointed, roughly hairy phyllaries. The head has a center of many yellow disc florets and a fringe of 16 to 18 yellow ray florets roughly a centimeter long. The fruit is a woolly achene 2 to 3 millimeters long tipped with a pappus.
Xanthisma gracile has extra chromosomes that do not have any functional genes (B chromosomes), and about which little is known.
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