The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links
Photo is of parent taxon

smooth northern-rockcress

Photo is of parent taxon

smooth northern-rockcress

Stems

decumbent to prostrate or weakly ascending, 0.3–1.5 dm.

ascending to erect, 0.3–1(–1.3) dm.

Leaves

blade not fleshy, to 6 mm wide, margins usually entire.

blade often fleshy, to 4 mm wide, margins usually entire, rarely 1 or 2 weak teeth per side.

Racemes

not elongated in fruit (often compact).

not elongated in fruit (often compact).

Fruits

oblong-elliptic to broadly oblong-lanceoloid, straight or curved, (0.7–)0.8–1.2 cm × 2.5–3.6 mm, 2.5–3.7 times as long as wide;

style stout, 0.8–1.8 mm.

oval-elliptic to oblong-elliptic, usually straight, 0.5–1 cm × 1.5–3 mm, 2.5–3.7 times as long as wide;

style slender or stout, (0.3–)0.5–1.2 mm.

2n

= 56.

= 56.

Braya glabella subsp. prostrata

Braya glabella subsp. purpurascens

Phenology Flowering Jun–Jul. Flowering Jun–Jul.
Habitat Dry or damp sand and silt on barren slopes and plains Barren, usually calcareous soils and gravel on solifluction lobes, scree, gravel bars, disturbed sites, rocky slopes, seashores
Elevation 0-200 m (0-700 ft) 0-1800 m (0-5900 ft)
Distribution
from FNA
NU
[BONAP county map]
from FNA
AK; BC; NT; NU; n Eurasia
[BONAP county map]
Discussion

Subspecies prostrata is known only from Ellesmere Island.

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

Source FNA vol. 7, p. 548. FNA vol. 7, p. 548.
Parent taxa Brassicaceae > tribe Euclidieae > Braya > Braya glabella Brassicaceae > tribe Euclidieae > Braya > Braya glabella
Sibling taxa
B. glabella subsp. glabella, B. glabella subsp. purpurascens
B. glabella subsp. glabella, B. glabella subsp. prostrata
Synonyms Platypetalum purpurascens, B. arctica, B. purpurascens, B. purpurascens var. dubia, Platypetalum dubium
Name authority J. G. Harris: Novon 16: 350. (2006) (R. Brown) W. J. Cody: Canad. Field-Naturalist 108: 93. (1964)
Web links