Parrya arctica

R. Brown

Chlor. Melvill., 11, plate B. 1823.

Endemic
Treatment appears in FNA Volume 7. Treatment on page 512. Mentioned on page 244, 511.

Plants cespitose, caudex simple or branched; eglandular. Stems (0.3–) 0.5–1.7 (–2.5) dm. Leaves: petiole (0.5–) 1–3 (–4) cm, to 4 mm wide at base; blade linear-oblanceolate to narrowly oblanceolate, (0.7–) 1.2–4 (–5.2) cm × 2–5 (–7) mm, base attenuate, margins entire or, rarely, obscurely dentate, apex acute or obtuse. Racemes 3–12-flowered. Fruiting pedicels (proximalmost) 6–20 (–30) mm. Flowers: sepals broadly oblong, (3–) 4–5 × 1.5–2 mm; petals white to lavender or purple, (8–) 10–13 × 3–5 mm, claw 3.5–4.5 mm, apex rounded to shallowly emarginate; median filaments 3.5–5 mm; anthers 0.8–1.5 mm. Fruits narrowly oblong, 1–2.5 (–3.5) cm × 3–5 mm; valves eglandular; ovules 14–20 per ovary; style 0.2–0.5 (–0.7) mm. Seeds 3.5–4.5 × 3–3.5 mm; wing 0.7–1 mm wide. 2n = 14.


Phenology: Flowering late Jun-early Aug.
Habitat: Rock and cliff crevices, arctic tundra, rocky grounds, gravelly slopes, wet meadows, mounds in deltas, stream banks, sandy grassy areas between rocks, dry calcareous gravel
Elevation: 0-100 m

Discussion

Parrya arctica is distributed in the Canadian arctic and subarctic islands and rarely has been collected inland, such as from the Great Bear Lake area (Northwest Territories). The major center of distribution appears to fall between 93–125°W and 67–76°N.

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

... more about "Parrya arctica"
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
rounded +  and shallowly emarginate +
Ihsan A. Al-Shehbaz +
R. Brown +
attenuate +
appendaged +  and unappendaged +
4 cm40 mm <br />0.04 m <br /> (5.2 cm52 mm <br />0.052 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
not auriculate +
1.2 cm12 mm <br />0.012 m <br /> (4 cm40 mm <br />0.04 m <br />) +
dentate +, subentire +  and entire +
linear-oblanceolate;narrowly oblanceolate +
much smaller +  and reduced +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
urceolate +, campanulate +  and tubular +
eglandular +, branched +  and simple +
well-developed +
distinct +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
differentiated +
emarginate +  and entire +
N.W.T. +, Nunavut +  and Yukon. +
0-100 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
not basally +  and dilated +
actinomorphic +
, +, latiseptate +, stipitate +  and sessile +
2.5 cm25 mm <br />0.025 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
indehiscent +  and dehiscent +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Rock and cliff crevices, arctic tundra, rocky grounds, gravelly slopes, wet meadows, mounds in deltas, stream banks, sandy grassy areas between rocks, dry calcareous gravel +
connate +  and distinct +
decurrent +
dentate +, , +  and entire +
pinnatifid +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
semiannular +  and annular +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
white +  and lavender or purple +
10mm;13mm +
rudimentary +
obovate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering late Jun-early Aug. +
trinucleate +  and 3(-11)-colpate +
Chlor. Melvill., +
3-12-flowered +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
divaricate-ascending +  and ascending +
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
flattened +
mucilaginous +
aseriate +, biseriate +  and uniseriate +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
flattened +, suborbicular +  and broadly ovate +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
persistent +  and caducous +
distinct +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
reduced +
latiseptate +, schizocarpic +, samaroid +  and lomentaceous +
indehiscent +  and dehiscent +
angustiseptate +, flat +, angled +, terete +, torulose +, not +, segmented +  and nutletlike +
tetradynamous +
procumbent +  and decumbent +
2-lobed +, cylindric +  and conical +
subsessile +, sessile +  and petiolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
persistent +
distinct +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Achoriphragma +  and Neuroloma +
Parrya arctica +
species +
scale-like +  and forked +
pubescent +  and glabrous +
anastomosing +
eglandular +, glandular +  and scapose +
rhizomatous +, taprooted +, scapose +  and not +
perennial +, biennial +  and annual +
plant +  and cespitose +
aquatics +  and terrestrial +
glabrous +  and pubescent +
0.7mm;1mm +