Tetraneuris acaulis var. caespitosa

A. Nelson

Bot. Gaz. 28: 127. 1899.

Endemic
Synonyms: Hymenoxys acaulis var. caespitosa (A. Nelson) K. F. Parker Tetraneuris brevifolia Greene Tetraneuris lanata Greene Tetraneuris lanigera Daniels
Treatment appears in FNA Volume 21. Treatment on page 452. Mentioned on page 451.
Revision as of 21:40, 29 July 2020 by imported>Volume Importer
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Plants 2–8 (–12+) cm. Leaves: blades spatulate or oblanceolate to linear-oblanceolate, sparsely to densely hairy, often lanuginose, sometimes sericeous, sparsely to sometimes moderately or densely glanddotted. Heads 1–35 (–60) per plant. Peduncles 0.5–8 (–12) cm. Outer phyllaries 6–12, 6.8–9 (–11.5) mm, margins 0–0.2 mm wide, sometimes slightly scarious, abaxial faces usually densely hairy. Ray-florets 9–15 (–21); corollas 9–13 mm. Cypselae 2–3 (–4) mm; pappi 2.5–3.5 mm. 2n = 28, 30.


Phenology: Flowering (May–)Jun–Aug(–Sep).
Habitat: Edges of montane forests, alpine meadows above timberline, open savannas
Elevation: (2100–)3000–3900 m

Discussion

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
Mark W. Bierner +  and Billie L. Turner +
A. Nelson +
decurrent +
Gaillardia acaulis +
more or less +  and eglandular +
sericeous +, lanuginose +  and hairy +
oblanceolate;linear-oblanceolate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
0.9 cm9 mm <br />0.009 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Colo. +, N.Mex. +  and Wyo. +
(2100–)3000–3900 m +
more or less +  and eglandular +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Edges of montane forests, alpine meadows above timberline, open savannas +
discoid +  and radiate +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
hemispheric;campanulate +
0.8 cm8 mm <br />0.008 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
sessile +  and petiolate +
basal-proximal +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
0mm +  and 0.2mm +
0.9 cm9 mm <br />0.009 m <br /> (1.15 cm11.5 mm <br />0.0115 m <br />) +
connate +  and distinct +
ovate +, oblong +, oblanceolate +, linear +, lanceolate +  and elliptic +
unequal +  and subequal +
0.68 cm6.8 mm <br />0.0068 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
2-carpellate +
persistent +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Flowering (May–)Jun–Aug(–Sep). +
11 +  and 60 +
bearing subulate enations +, hairy +  and bristly +
hemispheric;conic +
5 +  and 8 +
aristate +, obovate +  and oblanceolate +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.37 cm3.7 mm <br />0.0037 m <br />) +
exalbuminous +
1 +  and 35 +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Hymenoxys acaulis var. caespitosa +, Tetraneuris brevifolia +, Tetraneuris lanata +  and Tetraneuris lanigera +
Tetraneuris acaulis var. caespitosa +
Tetraneuris acaulis +
variety +
urceolate +  and campanulate +
dilated +
2 cm20 mm <br />0.02 m <br /> (30 cm300 mm <br />0.3 m <br />) +
8 cm80 mm <br />0.08 m <br /> (12 cm120 mm <br />0.12 m <br />) +