Difference between revisions of "Pyrrocoma racemosa var. congesta"
Phytologia 73: 58. 1992.
Basionym: Pyrrocoma congesta Greene Pittonia 3: 23. 1896
Synonyms: Haplopappus racemosus subsp. congestus (Greene) H. M. Hall
Treatment appears in FNA Volume 20. Treatment on page 422.
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Revision as of 18:45, 24 September 2019
Plants 20–60 cm. Stems glabrous or sparsely tomentulose. Leaves: basal blades lanceolate to elliptic, 100–200 × 8–30 mm, thin and ± membranous when dry, margins entire or sparsely denticulate, faces usually glabrous. Heads sessile or nearly so, crowded, in glomerate-spiciform arrays. Involucres campanulate, 7–9 × 12–16 mm. Phyllaries yellowish green, margins ciliate, apices erect, abruptly narrowed, acute, faces sparsely tomentose at least proximally. Cypsela faces sericeous.
Phenology: Flowering Jul–Sep.
Habitat: Coniferous forest openings, chaparral, bogs
Elevation: 200–1000 m
Discussion
Variety congesta is recognized by its slender stems, heads in congested glomerate-spiciform arrays, and yellowish green phyllaries.
Selected References
None.
Lower Taxa
None.