''Stenotus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

. There are four species, all native to western North America.''Stenotus''.
Flora of North America. They are known commonly as mock goldenweeds.''Stenotus''.
USDA PLANTS. These are perennial herbs sometimes forming mats or clumps a few centimeters high, producing erect stems up to about 30 centimeters tall but known to reach 60 centimeters at times. They grow from a

taproot A taproot is a large, central, and dominant root from which other roots sprout laterally. Typically a taproot is somewhat straight and very thick, is tapering in shape, and grows directly downward. In some plants, such as the carrot, the taproo ...

and branching

caudex A caudex (plural: caudices) of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.pages 456 and 695 In the strict sense of the term, meaning a stem, "caudex" is m ...

. The stems and foliage are hairless to quite woolly, and nonglandular to glandular-hairy. The leaf blades are linear to widely lance-shaped, white near the bases and green or grayish toward the tips. The

flower head 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 ...

is solitary, paired, or in an array of up to four. There are yellow disc florets and usually yellow ray florets. The fruit has a pappus of fine white bristles. The names of two related genera were coined because they are anagrams of the name ''Stenotus:'' '' Nestotus''Roberts, Roland P., Urbatsch, Lowell Edward, & Neubig, Kurt Maximilian. 2005. Sida 21(3): 1647-1655
/ref> and '' Tonestus''.Nelson, Aven. 1904. Botanical Gazette 37(4): 262
in English ; Species * ''

Stenotus acaulis ''Stenotus acaulis'' is a species of flowering plant in the family Asteraceae known by the common name stemless mock goldenweed. It is native to the western United States, where it grows in rocky soils in sagebrush plateau and mountain habitats. ...

'' (Nutt.) Nutt. – stemless mock goldenweed, stemless goldenweed - CA NV AZ UT CO WY ID OR MT,

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

* ''

Stenotus armerioides ''Stenotus armerioides'', the thrift mock goldenweed, is a perennial plant in the family Asteraceae. The plant is native to areas of the Western United States and to Saskatchewan Saskatchewan ( ; ) is a Provinces and territories of Canada, ...

'' Nutt. – thrift mock goldenweed, thrifty goldenweed - AZ NM CO WY MT KS NE SD ND

Saskatchewan Saskatchewan ( ; ) is a Provinces and territories of Canada, province in Western Canada, western Canada, bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, to the northeast by Nunavut, and on t ...

* ''

Stenotus lanuginosus ''Stenotus lanuginosus'' is a species of flowering plant in the family Asteraceae known by the common names woolly mock goldenweed and woolly stenotus. Distribution The plant is endemic to the western United States, especially the Great Basin re ...

'' (A.Gray) Greene – woolly mock goldenweed, woolly goldenweed - CA NV OR WA ID MT * ''

Stenotus pulvinatus Stenotus may refer to: * ''Stenotus'' (bug), a bug genus in the family Miridae * ''Stenotus'' (plant), a plant genus in the family Asteraceae {{Genus disambiguation ...

'' (Moran) G.L. Nesom -

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

Moran, Reid Venable. 1969. Transactions of the San Diego Society of Natural History 15(11): 161–163, f. 7
as ''Haploppappus pulvinatus'' ; formerly includedFlann, C (ed) 2009+ Global Compositae Checklist
/ref> Several species one included in ''Stenotus'' are now considered to belong to other genera, including ''

Ericameria ''Ericameria'' is a genus of North American shrubs in the family Asteraceae. ''Ericameria'' is known by the common names goldenbush, rabbitbrush, turpentine bush, and rabbitbush. Most are shrubs but one species ''( E. parishii)'' can reach tree ...

Erigeron ''Erigeron'' () is a large genus of plants in the family Asteraceae. It is closely related to the genus ''Aster'' and the true daisies in the genus ''Bellis''. The genus has a cosmopolitan distribution in dry, mountainous areas and grassland, wit ...

, Nestotus,

Oonopsis ''Oonopsis'', or false goldenweed, is a genus of flowering plants in the family Asteraceae. ; Species

, Tonestus,'' and '' Townsendia''.

References

Asteraceae genera Astereae Flora of North America {{Astereae-stub