Braya glabella subsp. prostrata

J. G. Harris

Novon 16: 350. 2006.

Treatment appears in FNA Volume 7. Treatment on page 548.

Stems decumbent to prostrate or weakly ascending, 0.3–1.5 dm. Leaves: blade not fleshy, to 6 mm wide, margins usually entire. Racemes not elongated in fruit (often compact). Fruits oblongelliptic 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. 2n = 56.


Phenology: Flowering Jun–Jul.
Habitat: Dry or damp sand and silt on barren slopes and plains
Elevation: 0-200 m

Discussion

Subspecies prostrata is known only from Ellesmere Island.

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 +
J. G. Harris +
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 +
appendaged +  and unappendaged +
lobed +, dentate +  and sinuate +
much smaller +  and reduced +
not fleshy +
0mm;6mm +
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 +
Nunavut. +
0-200 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 +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
curved +  and straight +
0.8cm;1.2cm +
oblongelliptic +  and broadly oblong-lanceoloid +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
Dry or damp sand and silt on barren slopes and plains +
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 +
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 +
decumbent +  and prostrate +
2-lobed +  and entire +
subsessile +, sessile +  and petiolate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
persistent +
distinct +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Braya alpina var. glabella +
Braya glabella subsp. prostrata +
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 +