Flora of North America species comparison

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Petalonyx thurberi subsp. gilmanii

Petalonyx thurberi subsp. thurberi
Photo is of parent taxon

Death Valley sandpaper plant
Photo is of parent taxon

Thurber's sandpaper plant
Habit Plants to 10 dm; branches of current season to 21 cm; hairs on inflorescence-bearing stems soft, ± erect. Plants to 8 dm; branches of current season to 45 cm; hairs on inflorescence-bearing stems stiff, ± retrorse.
Leaves

to 20 × 13 mm.

to 45 × 15 mm.
Flowers

petals to 4.1 mm;

stamens 5–8 mm;

style 4–6 mm.

petals to 6.5 mm;

stamens 6–10 mm;

style 5–11 mm.
2n

= 46.

= 46.

Petalonyx thurberi subsp. gilmanii

Petalonyx thurberi subsp. thurberi
Phenology Flowering May–Sep. Flowering Mar–Nov.
Habitat Sandy washes, sand dunes. Sandy washes, sand dunes.
Elevation 400–1000 m. (1300–3300 ft.) 10–1600 m. (0–5200 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
AZ; CA; NV; Mexico (Baja California, Sonora)
[BONAP county map]
Discussion

Subspecies gilmanii is found only in Inyo County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 545. FNA vol. 12, p. 545.
Parent taxa Loasaceae > Petalonyx > Petalonyx thurberi Loasaceae > Petalonyx > Petalonyx thurberi
Sibling taxa
P. thurberi subsp. thurberi
P. thurberi subsp. gilmanii
Synonyms P. gilmanii
Name authority (Munz) W. S. Davis & H. J. Thompson: Madroño 19: 15. (1967) unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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