Hulsea heterochroma
Encyclopedia
Hulsea heterochroma is a species of flowering plant in the daisy family
known by the common name redray alpinegold. It is native to the southwestern United States where it grows in open habitats. This is an annual or perennial herb growing thick, leafy green stems to maximum heights over one meter. The toothed leaves are 10 to 20 centimeters long. Leaves and stem are covered in glandular hairs. The leafy inflorescence
produces many flower heads
also completely covered in small glandular hairs. The green, lance-shaped phyllaries
are over a centimeter long. The center of the flower head is filled with large yellow disc florets and the edge is fringed with narrow, thready red-orange to reddish pink ray florets each up to a centimeter long. The fruit is a hairy achene
6 to 8 millimeters long.
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...
known by the common name redray alpinegold. It is native to the southwestern United States where it grows in open habitats. This is an annual or perennial herb growing thick, leafy green stems to maximum heights over one meter. The toothed leaves are 10 to 20 centimeters long. Leaves and stem are covered in glandular hairs. The leafy inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...
produces many flower heads
Head (botany)
The capitulum is considered the most derived form of inflorescence. Flower heads found outside Asteraceae show lesser degrees of specialization....
also completely covered in small glandular hairs. The green, lance-shaped phyllaries
Bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are often different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture...
are over a centimeter long. The center of the flower head is filled with large yellow disc florets and the edge is fringed with narrow, thready red-orange to reddish pink ray florets each up to a centimeter long. The fruit is a hairy achene
Achene
An achene is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate and indehiscent...
6 to 8 millimeters long.