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.

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 gland-dotted. 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.
Mark W. Bierner +  and Billie L. Turner +
A. Nelson +
Gaillardia acaulis +
Colo. +, N.Mex. +  and Wyo. +
(2100–)3000–3900 m +
Edges of montane forests, alpine meadows above timberline, open savannas +
Flowering (May–)Jun–Aug(–Sep). +
Hymenoxys acaulis var. caespitosa +, Tetraneuris brevifolia +, Tetraneuris lanata +  and Tetraneuris lanigera +
Tetraneuris acaulis var. caespitosa +
Tetraneuris acaulis +
variety +