Stephanomeria runcinata

Nuttall
Trans. Amer. Philos. Soc., n. s. 7: 428. 1841.
Common names: Desert or sawtooth wirelettuce
Endemic
Treatment appears in FNA Volume 19. Treatment on page 357. Mentioned on page 351, 352.

Perennials, 10–20(–25) cm (rhizomes stout). Stems erect or ascending, glabrous or weakly scabrous-puberulent. Leaves usually withered at flowering; basal blades narrowly lanceolate, markedly runcinate, 3–7 cm, margins pinnately lobed (faces glabrous or weakly scabrous-puberulent); cauline much reduced, bractlike. Heads borne singly on branch tips. Peduncles 10–50 mm (usually minutely bracteolate). Calyculi of appressed bractlets (unequal, lengths to 1/2 phyllaries). Involucres 9–12(–13) mm (phyllaries 5–6, glabrous). Florets 5–6. Cypselae tan, 3–5 mm, faces smooth to slightly bumpy, grooved; pappi of 15–25, white bristles (persistent), wholly plumose. 2n = 16.


Phenology: Flowering June–Sep.
Habitat: Open sandy places, eroded siltstones, clay flats, alkali soils
Elevation: 600–1800 m

Distribution

V19-564-distribution-map.gif

Alta., Sask., Colo., Mont., Nebr., N.Dak., Utah, Wyo.

Discussion

Stephanomeria runcinata grows in the upper Great Plains and adjacent intermontane valleys.

Selected References

None.

Lower Taxa

None.

... more about "Stephanomeria runcinata"
L. D. Gottlieb +
Nuttall +
Desert or sawtooth wirelettuce +
Alta. +, Sask. +, Colo. +, Mont. +, Nebr. +, N.Dak. +, Utah +  and Wyo. +
600–1800 m +
Open sandy places, eroded siltstones, clay flats, alkali soils +
Flowering June–Sep. +
Trans. Amer. Philos. Soc., n. s. +
Undefined tribe Lactuceae +
Stephanomeria runcinata +
Stephanomeria +
species +