Palafoxia sphacelata

(Nuttall ex Torrey) Cory

Rhodora 48: 86. 1946.

Illustrated
Basionym: Stevia sphacelata Nuttall ex Torrey Ann. Lyceum Nat. Hist. New York 2: 214. 1827
Treatment appears in FNA Volume 21. Treatment on page 389. Mentioned on page 388.

Annuals, 10–90 cm. Stems usually proximally hispid, distally stipitate-glandular. Leaf-blades broadly to narrowly lanceolate, 30–90 × 3–20 mm. Involucres broadly to narrowly turbinate. Phyllaries 9–12+ × 1.5–3 mm, ± equal, ± scabrous to hispid and/or stipitate-glandular. Ray-florets 3–5; corollas 15–25 mm, laminae 5–12 mm. Disc-florets 15–35; corollas ± actinomorphic, 10–14 mm, throats ± funnelform, shorter than lobes. Cypselae 6–9 mm; pappus-scales of inner cypselae 7–9 mm. 2n = 24.


Phenology: Flowering summer–fall.
Habitat: Sandy soils
Elevation: 1000–1800 m

Distribution

V21-978-distribution-map.gif

Colo., Kans., Nebr., N.Mex., Okla., Tex., Mexico (Chihuahua)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Palafoxia sphacelata"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +, cymiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
(Nuttall ex Torrey) Cory +
decurrent +
Stevia sphacelata +
compound +  and simple +
broadly lanceolate;linear +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
connate +  and distinct +
actinomorphic +
pinkish +  and purplish or whitish +
stipitate-glandular +  and hairy +
1 cm10 mm <br />0.01 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
4-angled +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Colo. +, Kans. +, Nebr. +, N.Mex. +, Okla. +, Tex. +  and Mexico (Chihuahua) +
1000–1800 m +
appressed-puberulent +  and strigillose +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
campanulate +  and cylindric +
Sandy soils +
disciform +  and discoid +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
3 cm30 mm <br />0.03 m <br /> (9 cm90 mm <br />0.09 m <br />) +
sessile +  and petiolate +
alternate +  and opposite +
linear +  and lance-linear +
deltate +  and linear +
2-carpellate +
persistent +
spatulate +  and subulate +
thickened +  and callous-thickened +
Flowering summer–fall. +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
less scabrous +  and hispid and/or stipitate-glandular +
8 +  and 14 +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
bearing subulate enations +, hairy +  and bristly +
distinct +
4 +  and 20 +
exalbuminous +
Illustrated +
stipitate-glandular +  and hispid +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Bahiinae +  and Undefined (tribe Undefined) subtribe Palafoxiinae +
Palafoxia sphacelata +
Palafoxia +
species +
cylindric +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
1 cm10 mm <br />0.01 m <br /> (80 cm800 mm <br />0.8 m <br />) +
much longer than short +
toothed +  and entire +
80 cm800 mm <br />0.8 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
10 cm100 mm <br />0.1 m <br /> (90 cm900 mm <br />0.9 m <br />) +
80 cm800 mm <br />0.8 m <br /> (300 cm3,000 mm <br />3 m <br />) +
shrub +  and subshrub +