Minuartia nuttallii var. gracilis

(B. L. Robinson) Rabeler & R. L. Hartman

Sida 21: 753. 2004.

Common names: Brittle sandwort
Endemic
Basionym: Arenaria nuttallii var. gracilis B. L. Robinson Proc. Amer. Acad. Arts 29: 304. 1894
Synonyms: Arenaria nuttallii subsp. gracilis (B. L. Robinson) Maguire Minuartia nuttallii subsp. gracilis (B. L. Robinson) McNeill
Treatment appears in FNA Volume 5. Treatment on page 130.
Revision as of 10:20, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Leaves tightly appressed to occasionally arcuate-spreading; blade 5–7 mm, apex spinescent. Flowers: sepals 1 (–3) -veined, lanceolate (herbaceous portion lanceolate to often narrowly so), 4–5.7 mm, apex spinescent; petals 0.7–1 times as long as sepals.


Phenology: Flowering spring–summer.
Habitat: Loose talus, sandy flats, barren rock
Elevation: 2600-3800 m

Discussion

Selected References

None.

Lower Taxa

None.
green +  and purple +
stipitate-glandular +
rounded;acute;acuminate +
Richard K. Rabeler +, Ronald L. Hartman +  and Frederick H. Utech +
(B. L. Robinson) Rabeler & R. L. Hartman +
Arenaria nuttallii var. gracilis +
straight +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
broadly lanceolate +  and linear +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
lanceolate +  and subulate +
reduced +
5 cm50 mm <br />0.05 m <br /> (?) +
Brittle sandwort +
many-branched +
axillary +  and terminal +
dish--shaped +
expanded +
Calif. +, Nev. +  and Oreg. +
2600-3800 m +
straight +  and curved +
central +  and peripheral +
axillary +  and terminal +
inconspicuous +
unisexual +  and bisexual +
stalked +  and simple +
Loose talus, sandy flats, barren rock +
disc--shaped +  and dish +
disc--shaped +
(3-)6-30-flowered +
0.2-2 times as long as leaves +
sessile +  and petiolate +
connate +
tightly appressed;occasionally arcuate-spreading +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
reflexed;erect;arcuate-spreading +
stipitate-glandular +
0.2 cm2 mm <br />0.002 m <br /> (2 cm20 mm <br />0.02 m <br />) +
lilac +, pink +  and white +
fugacious +
0.7-1 times as long as sepals +
obovate +
Flowering spring–summer. +
0 cm0 mm <br />0 m <br /> (60 cm600 mm <br />0.6 m <br />) +
reddish-brown;dark-brown +
tuberculate +
oblongelliptic +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
1(-3)-veined +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
persistent +
distinct +
lanceolate +
not enlarging +
0.4 cm4 mm <br />0.004 m <br /> (0.57 cm5.7 mm <br />0.0057 m <br />) +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
branched +  and simple +
ascending;erect +
glandular-hairy +
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +
[30 +  and 3 +
papillate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (?) +  and 0.02 cm0.2 mm <br />2.0e-4 m <br /> (?) +
distinct +
filiform +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Arenaria nuttallii subsp. gracilis +  and Minuartia nuttallii subsp. gracilis +
Minuartia nuttallii var. gracilis +
Minuartia nuttallii +
variety +
divided +
low-rounded +
10 +  and 8 +
erect +  and recurved +
rhizomatous +  and taprooted +
plant +  and mat-forming +
pubescence of simple hairs or stalked glands +  and glabrous +
23 +, 15 +, 14 +, 13 +, 12 +, 10 +, 9 +  and 7 +