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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb to subshrub, taprooted, +- mat or mound-forming, from branched caudex; glabrous or scabrous to tomentose, sometimes +- stalked-glandular. Stem: flowering stems generally erect to spreading, generally unbranched, proximal 1/4--2/3 bearing often many, crowded leaves. Leaf: alternate, basal persisting 2--3 years, 2--10 cm, linear to oblanceolate, tapered to +- indefinite petiole, entire, 1--3-veined. Inflorescence: heads radiate, generally 1 (2--4 in +- flat-topped cluster); peduncle < 15 cm; involucre hemispheric; phyllaries weakly graduated in 2--3 series, linear to +- ovate, +- leaf-like, bases sometimes papery, tips acute to acuminate; receptacle convex, pitted, epaleate. Ray Flower: 6--20; corolla yellow. Disk Flower: 25--50; corolla 6--7.5 mm, funnel-shaped, yellow; anther tip narrowly triangular; style tips long tapered, appendage length 2--4 × width. Fruit: 2.4--6 mm, glabrous to densely silky; pappus of soft bristles <= 10 mm.
Species In Genus: +- 3 species: western North America. Etymology: (Greek: narrowness, for leaf width) Note: Other sp. of Stenotus in TJM (1993) [Stenotus stenophyllus (A. Gray) Greene] now treated in Nestotus.
eFlora Treatment Author: Lowell E. Urbatsch
Jepson Online Interchange
Key to StenotusPrevious taxon: Stebbinsoseris heterocarpa
Next taxon: Stenotus acaulis
Citation for this treatment: Lowell E. Urbatsch 2016. Stenotus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=618, accessed on February 10, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 10, 2016.