Pyrrocoma carthamoides var. subsquarrosa

(Greene) G. K. Brown & D. J. Keil

Phytologia 73: 57. 1992.

EndemicConservation concern
Basionym: Pyrrocoma subsquarrosa Greene Erythea 3: 22. 1895
Synonyms: Haplopappus carthamoides var. subsquarrosus (Greene) Dorn
Treatment appears in FNA Volume 20. Treatment on page 416. Mentioned on page 415.

Plants 10–30 cm. Stems probably slender (leafy). Leaves: basal blades lanceolate or narrowly spatulate, 80–120 × 10–18 mm (margins conspicuously spinulose-serrate). Involucres narrowly campanulate, 17 × 20–25 mm. Phyllaries lanceolate to oblong, apices broad, truncate, abruptly mucronate, mucro recurved.


Phenology: Flowering Sep.
Habitat: Grassland and shrubland communities
Elevation: 1600–3100 m

Discussion

Of conservation concern.

Variety subsquarrosa is known from about 22 locations in northwestern Wyoming and adjacent southwestern Montana. This taxon is recognized by its low stature and phyllaries with recurved apices.

Selected References

None.

Lower Taxa

None.
David J. Bogler +
(Greene) G. K. Brown & D. J. Keil +
Pyrrocoma subsquarrosa +
Mont. +  and Wyo. +
1600–3100 m +
Grassland and shrubland communities +
Flowering Sep. +
Endemic +  and Conservation concern +
Haplopappus carthamoides var. subsquarrosus +
Pyrrocoma carthamoides var. subsquarrosa +
Pyrrocoma carthamoides +
variety +