Difference between revisions of "Stevia serrata"
Icon. 4: 33, plate 355. 1797.
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|name=Stevia serrata var. haplopappa | |name=Stevia serrata var. haplopappa | ||
|authority=B. L. Robinson | |authority=B. L. Robinson | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Stevia serrata var. ivifolia | |name=Stevia serrata var. ivifolia | ||
|authority=(Willdenow) B. L. Robinson | |authority=(Willdenow) B. L. Robinson | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Eupatorieae;Stevia;Stevia serrata | |hierarchy=Asteraceae;Asteraceae tribe Eupatorieae;Stevia;Stevia serrata | ||
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name=Stevia serrata | name=Stevia serrata | ||
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|authority=Cavanilles | |authority=Cavanilles | ||
|rank=species | |rank=species | ||
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|publication year=1797 | |publication year=1797 | ||
|special status= | |special status= | ||
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|tribe=Asteraceae tribe Eupatorieae | |tribe=Asteraceae tribe Eupatorieae | ||
|genus=Stevia | |genus=Stevia | ||
Latest revision as of 20:09, 5 November 2020
Perennials, 40–100 cm. Leaves mostly alternate (at least not regularly opposite, crowded, with axillary clusters of smaller leaves); petioles 0; blades (3-nerved) narrowly lanceolate to lance-linear, 1.5–4 cm, margins serrulate. Heads borne in ± congested, compact clusters. Peduncles 0 or 1–4 mm, sessile-glandular, villous-puberulent. Involucres 5–6(–7) mm. Phyllaries sessile-glandular, sparsely villosulous, apices acute to acuminate. Corollas white or pink, lobes sparsely sessile-glandular, finely villous-hirsute. Pappi usually ± equaling corollas, sometimes coroniform or 0. 2n = (22–)34(–54) univalents, less often 17 pairs.
Phenology: Flowering (Jul–)Aug–Oct.
Habitat: Roadsides, disturbed sites, oak-grasslands, oak-pine grasslands, and oak, mixed conifer-oak, mixed pine, ponderosa pine-Douglas fir, pine-fir-aspen, spruce-Douglas fir, and fir-hemlock woodlands
Elevation: 1700–2700 m
Distribution
Ariz., N.Mex., Tex., Mexico.
Discussion
Some collections of Stevia serrata from Cochise and Graham counties, Arizona, were annotated by J. L. Grashoff as “S. serrata > plummerae”; in leaf arrangement and morphology (venation, margin, and shape), they appear to be similar to typical S. serrata from the same area.
Selected References
None.