Flora of North America species comparison

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Physaria hitchcockii subsp. hitchcockii

Physaria hitchcockii subsp. confluens
Photo is of parent taxon
Photo is of parent taxon
Habit Plants forming tufts; caudex not elongated, not elastic. Plants forming soft mats; caudex elongated, elastic (creeping).
Basal leaves

petiole differentiated from blade (sometimes weakly);

blade oblanceolate to obovate.

petiole differentiated from blade (sometimes weakly);

blade oblanceolate to obovate.
Fruits

2.6–3.8 mm wide.

1.7–3 mm wide.
Anthers

1.4–1.8(–2) mm.

1–1.5 mm.

Physaria hitchcockii subsp. hitchcockii

Physaria hitchcockii subsp. confluens
Phenology Flowering Jun–Jul. Flowering Jun–Jul.
Habitat Gravelly or rocky limestone at or above timberline Gravelly or rocky limestone
Elevation 2300-3500 m (7500-11500 ft) 2300-3500 m (7500-11500 ft)
Distribution
from FNA
NV; UT
[BONAP county map]
from FNA
NV
[BONAP county map]
Discussion

It is possible that populations of subsp. hitchcockii on the Table Cliff Plateau, Utah, are consubspecific with the nearby subsp. rubicundula. The leaf blades are indistinguishable from the material from Nevada and the plants do not form elongated, elastic caudices.

Subspecies hitchcockii is found in the Sheep Range and Spring Mountains (Charleston Mountain), Nevada, and on the Table Cliff Plateau, Utah, where it is limited to the white member of the limestone Wasatch (Claron) Formation.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Subspecies confluens is found at or above timberline in the Grant, Quinn Canyon, and Schell Creek ranges.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 7, p. 643. FNA vol. 7, p. 643.
Parent taxa Brassicaceae > tribe Physarieae > Physaria > Physaria hitchcockii Brassicaceae > tribe Physarieae > Physaria > Physaria hitchcockii
Sibling taxa
P. hitchcockii subsp. confluens, P. hitchcockii subsp. rubicundula
P. hitchcockii subsp. hitchcockii, P. hitchcockii subsp. rubicundula
Synonyms Lesquerella hitchcockii subsp. confluens, Lesquerella confluens
Name authority unknown (Maguire & A. H. Holmgren) O’Kane: Novon 17: 380. (2007)
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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