• Source: Heterotheca villosa

Heterotheca villosa, commonly known as the hairy goldenaster, is a species of flowering plant in the family Asteraceae found in central and western North America.




Description


Hairy golden aster can grow from 5 to 70 centimeters (2 to 28 in) tall, but is more typically 16 to 40 cm (6 to 16 in) tall. Their leaves may be as long as 60 cm (24 in), but are more often 22 to 40 cm (9 to 16 in) in length. Blooming from May to October, the flower head is about 2.5 cm (1 in) wide, with yellow ray and disk florets. The seeds have white bristles at the tip. The species can be difficult to identify, as it has a number of close relatives and many varieties.

Varieties
Heterotheca villosa var. ballardii (Rydb.) Semple - northern Great Plains in US and Canada
Heterotheca villosa var. depressa (Rydb.) Semple - Wyoming
Heterotheca villosa var. foliosa (Nutt.) V.L.Harms - Rockies, Black Hills, northern Cascades, etc.
Heterotheca villosa var. minor (Hook.) Semple - Rockies, Cascades, Sierra Nevada, etc.
Heterotheca villosa var. nana (A.Gray) Semple - Rockies + other mountains from South Dakota to Arizona
Heterotheca villosa var. pedunculata (Greene) V.L.Harms ex Semple - Arizona, New Mexico, Colorado, Utah
Heterotheca villosa var. scabra (Eastw.) Semple - Mexico, southwestern USA
Heterotheca villosa var. sierrablancensis Semple - New Mexico
Heterotheca villosa var. villosa - northern Great Plains, Columbia Plateau, etc.




Distribution and habitat


The species is widespread across central and western North America, from Ontario west to British Columbia and south as far as Illinois, Kansas, Nuevo León, Guanajuato, and northern Baja California. It grows well on dry lands, but also on plains, rocky slopes and cliffs, at low elevations and in coniferous forests.




Cultivation


The wildflower gardener Claude A. Barr regarded it as a useful plant in the garden for its masses of bright yellow flowers.




References

Kata Kunci Pencarian:

• Heterotheca villosa
• Heterotheca
• Heterotheca shevockii
• Heterotheca oregona
• Heterotheca camporum
• Heterotheca viscida
• Columbia River Gorge
• List of Canadian plants by family A
• Mentzelia densa
• Heterotheca stenophylla