Braya glabella subsp. purpurascens

(R. Brown) W. J. Cody

Canad. Field-Naturalist 108: 93. 1964.

Basionyms: Platypetalum purpurascens R. Brown Chlor. Melvill., 9, 50. 1823
Synonyms: Braya arctica Hooker Braya purpurascens (R. Brown) Bunge ex Ledebour Braya purpurascens var. dubia (R. Brown) O. E. Schulz Platypetalum dubium
Treatment appears in FNA Volume 7. Treatment on page 548.

Stems ascending to erect, 0.3–1 (–1.3) dm. Leaves: 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). Fruits oval-elliptic to oblongelliptic, 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.


Phenology: Flowering Jun–Jul.
Habitat: Barren, usually calcareous soils and gravel on solifluction lobes, scree, gravel bars, disturbed sites, rocky slopes, seashores
Elevation: 0-1800 m

Distribution

V7 873-distribution-map.gif

B.C., N.W.T., Nunavut, Alaska, n Eurasia

Discussion

Selected References

None.

Lower Taxa

None.

"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property.

0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
James G. Harris +
(R. Brown) W. J. Cody +
6 cm60 mm <br />0.06 m <br /> (7.9 cm79 mm <br />0.079 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
expanded +
Platypetalum purpurascens +
appendaged +  and unappendaged +
lobed +, dentate +  and sinuate +
much smaller +  and reduced +
0mm;4mm +
urceolate +, campanulate +  and tubular +
branched +  and simple +
0.75 cm7.5 mm <br />0.0075 m <br /> (0.86 cm8.6 mm <br />0.0086 m <br />) +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
well-developed +
not +  and distinct +
not +  and differentiated +
emarginate +  and entire +
incumbent +  and accumbent +
B.C. +, N.W.T. +, Nunavut +, Alaska +  and n Eurasia +
0-1800 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
not basally +  and dilated +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
actinomorphic +
latiseptate +  and sessile +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
straight +
0.5cm;1cm +
oval-elliptic +  and oblongelliptic +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Barren, usually calcareous soils and gravel on solifluction lobes, scree, gravel bars, disturbed sites, rocky slopes, seashores +
sessile +  and petiolate +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
decurrent +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.47 cm4.7 mm <br />0.0047 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
rudimentary +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering Jun–Jul. +
trinucleate +  and 3(-11)-colpate +
Canad. Field-Naturalist +
not elongated +
ascending +  and erect +
slender +
mucilaginous +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
not +  and mucilaginous +
White (?) +, Black (?) +, Brown (?) +  and Yellow (?) +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
persistent +  and caducous +
distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
not basally +  and not expanded +
reduced +
latiseptate +  and sessile +
terete +, torulose +, globose +, lanceoloid-subulate +, lanceoloid +, ovoid +, oval-elliptic +, cylindrical +, oblong +  and linear +
latiseptate +  and sessile +
terete +, torulose +, globose +, lanceoloid-subulate +, lanceoloid +, ovoid +, oval-elliptic +, cylindrical +, oblong +  and linear +
Illustrated +
tetradynamous +
few to several +  and simple +
procumbent +  and decumbent +
rarely decumbent +  and prostrate +
ascending +  and erect +
2-lobed +  and entire +
subsessile +, sessile +  and petiolate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
persistent +
distinct +
stout +  and slender +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Braya arctica +, Braya purpurascens +, Braya purpurascens var. dubia +  and Platypetalum dubium +
Braya glabella subsp. purpurascens +
Braya glabella +
subspecies +
2-forked +  and 3-forked +
coiled +, 1-7-veined +  and veined +
glabrous +  and pubescent +
anastomosing +
not +  and scapose +
glabrous +, pilose +  and pubescent +
perennial +, biennial +  and annual +
aquatics +  and terrestrial +