Flora of North America species comparison

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Stevia serrata

saw-tooth candyleaf
Habit 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.
Peduncles

0 or 1–4 mm, sessile-glandular, villous-puberulent.
Involucres

5–6(–7) mm.
Corollas

white or pink, lobes sparsely sessile-glandular, finely villous-hirsute.
Phyllaries

sessile-glandular, sparsely villosulous, apices acute to acuminate.
Heads

borne in ± congested, compact clusters.
Pappi

usually ± equaling corollas, sometimes coroniform or 0.
2n

= (22–)34(–54) univalents, less often 17 pairs.

Stevia serrata
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 (5600–8900 ft)
Distribution
from FNA
AZ; NM; TX; Mexico
[WildflowerSearch map]
[BONAP county map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 485.
Parent taxa Asteraceae > tribe Eupatorieae > Stevia
Sibling taxa
S. lemmonii, S. micrantha, S. ovata, S. plummerae, S. salicifolia, S. viscida
Synonyms S. serrata var. haplopappa, S. serrata var. ivifolia
Name authority Cavanilles: Icon. 4: 33, plate 355. (1797)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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