Pyrrocoma racemosa var. sessiliflora

(Greene) Mayes ex G. K. Brown and D. D. Keil

Phytologia 73: 58. 1992.

Endemic
Basionym: Pyrrocoma sessiliflora Greene Leafl. Bot. Observ. Crit. 2: 11. 1909
Synonyms: Haplopappus racemosus subsp. sessiliflorus (Greene) H. M. Hall Haplopappus racemosus var. sessiliflorus (Greene) S. L. Welsh
Treatment appears in FNA Volume 20. Treatment on page 423. Mentioned on page 422.

Plants 20–60 cm. Stems glabrous, glaucous. Leaves: basal blades linear-oblanceolate, 50–200 × 4–28 mm, thick, succulent, margins remotely and obscurely denticulate, glabrous, glaucous. Heads sessile or nearly so, crowded, in glomerate-spiciform arrays. Involucres obconic, 5–8 × 5–7 mm. Phyllaries: bases pale (chartaceous), margins ciliate, apices recurved, green, faces glabrous. Cypsela faces densely sericeous to glabrate. 2n = 12.


Phenology: Flowering Jul–Oct.
Habitat: Alkaline flats, saline meadows and marshes
Elevation: 300–2200 m

Discussion

Selected References

None.

Lower Taxa

None.
David J. Bogler +
(Greene) Mayes ex G. K. Brown and D. D. Keil +
Pyrrocoma sessiliflora +
Calif. +, Nev. +  and Utah. +
300–2200 m +
Alkaline flats, saline meadows and marshes +
Flowering Jul–Oct. +
Haplopappus racemosus subsp. sessiliflorus +  and Haplopappus racemosus var. sessiliflorus +
Pyrrocoma racemosa var. sessiliflora +
Pyrrocoma racemosa +
variety +