Stevia plummerae var. plummerae

Synonyms: Stevia plummerae var. alba
Treatment appears in FNA Volume 21. Treatment on page 485.

Perennials, 30–80 cm. Leaves mostly opposite (distal sometimes alternate); petioles 0–3 (–5) mm; blades (raised venation reticulate, including secondary and tertiary-veins) lanceolate, lanceovate, or oblanceolate, (2–) 3–10 cm, margins coarsely serrate. Heads in ± congested, compact clusters. Peduncles 0 or 1–4 mm, villous-puberulent. Involucres (5.5–) 6–8.5 mm. Phyllaries eglandular or very sparsely glandular, sparsely villous-puberulent, apices usually rounded to blunt or obtuse, sometimes acute. Corollas whitish, pale rose, pink, or red, lobes sparsely glandular and hispid-villous. Pappi shorter than corollas, sometimes coroniform. 2n = 34, 42.


Phenology: Flowering (Aug–)Sep–Oct.
Habitat: Canyon walls, open slopes, oak to ponderosa pine or ponderosa pine-Douglas fir woodlands
Elevation: 2100–2800 m

Distribution

V21-1222-distribution-map.gif

Ariz., N.Mex., Mexico (Chihuahua), Mexico (Durango), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

not tailed +, truncate +, rounded +  and obtuse +
acute;usually rounded;blunt or obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Guy L. Nesom +
A. Gray +
decurrent +
enlarged +
3-nerved +  and 1-nerved +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
dissected +, lobed +, toothed +  and entire +
oblanceolate;lanceovate;oblanceolate;lanceovate;lanceolate +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
filiform +
red +, pink +, pale rose +  and whitish +
scabrellous +
columnar +  and prismatic or fusiform +
fertile +  and bisexual +
Ariz. +, N.Mex. +, Mexico (Chihuahua) +, Mexico (Durango) +  and Mexico (Sonora) +
2100–2800 m +
glabrous +, glabrescent +, puberulent +  and hirtellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Canyon walls, open slopes, oak to ponderosa pine or ponderosa pine-Douglas fir woodlands +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
sessile +  and petiolate +
hispid-villous +
lanceolate +  and lance-linear +
toothed +  and serrulate +
2-carpellate +
persistent +
coroniform +
villous-puberulent +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering (Aug–)Sep–Oct. +
villous-puberulent +
subequal +  and unequal +
Proc. Amer. Acad. Arts +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
0 +  and 5 +
muticous +
exalbuminous +
appendaged +  and truncate +
hirsutulous +
papillate +
Stevia plummerae var. alba +
Stevia plummerae var. plummerae +
Stevia plummerae +
variety +
30 cm300 mm <br />0.3 m <br /> (80 cm800 mm <br />0.8 m <br />) +
shrub +  and subshrub +
17 +, 12 +  and 11 +