Xanthisma grindelioides var. depressum
Sida 20: 1404. 2003.
Endemic
Basionym: Haplopappus nuttallii var. depressus Maguire Amer. Midl. Naturalist 37: 144. 1947
Synonyms: Machaeranthera grindeloides var. depressa (Maguire) Cronquist & D. D. Keck
Revision as of 20:06, 5 November 2020 by imported>Volume Importer
Plants densely cespitose, 3–8(–12) cm. Leaves mostly crowded at base of stems, margins conspicuously white-bristled, bristles (1.5–)2–4 mm. Heads usually 1. Peduncles 1–4 cm, usually ebracteate, occasionally bracteate.
Phenology: Flowering summer.
Habitat: Calcareous or clayey slopes
Elevation: 1300–2000 m
Discussion
Variety depressum was attributed to Arizona by J. T. Kartesz and C. A. Meacham (1999), but I have seen no specimen from there.
Selected References
None.
Lower Taxa
None.