Eremogone franklinii var. thompsonii

(M. Peck) R. L. Hartman & Rabeler

Sida 21: 240. 2004.

Common names: Thompson’s sandwort
Endemic
Basionym: Arenaria franklinii var. thompsonii M. Peck Torreya 32: 149. 1932 (as thompsoni)
Treatment appears in FNA Volume 5. Treatment on page 66.

Inflorescences somewhat congested cymes. Pedicels 1–4 mm. Flowers: sepals 5–8 mm; petals 7–9 mm, ca. 1–1.1 times as long as sepals.


Phenology: Flowering summer.
Habitat: Sand dunes
Elevation: 100-800 m

Discussion

Variety thompsonii, at one time known only from the type (Gilliam County, Oregon), was documented in the 1980s in Benton County, Washington.

Selected References

None.

Lower Taxa

None.
glabrous +  and not glaucous +
rounded;blunt +
Ronald L. Hartman +, Richard K. Rabeler +  and Frederick H. Utech +
(M. Peck) R. L. Hartman & Rabeler +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1 cm10 mm <br />0.01 m <br /> (?) +
Arenaria franklinii var. thompsonii +
filiform +  and subulate or narrowly linear +
not +  and succulent +
reduced +
ovoid;urceolate +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
not reduced +
Thompson’s sandwort +
dish--shaped +
expanded +
Oreg. +  and Wash. +
100-800 m +
straight +  and curved +
central +  and peripheral +
inconspicuous +
unisexual +  and bisexual +
stalked +  and simple +
Sand dunes +
disc--shaped +  and dish +
connate +
not apparent +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
fugacious +
1-1.1 times as long as sepals +
oblong-lanceolate +  and narrowly spatulate +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Flowering summer. +
tuberculate +
pyriform +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
persistent +
connate +  and distinct +
linear-lanceolate +
not enlarging +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
branched +  and simple +
10 cm100 mm <br />0.1 m <br /> (15 cm150 mm <br />0.15 m <br />) +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
[50 +  and 3 +
smooth +  and papillate +
distinct +
filiform +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
stout +  and slender +
Eremogone franklinii var. thompsonii +
Eremogone franklinii +
variety +
ascending;recurved +
divided +
10 +  and 8 +
rhizomatous +  and taprooted +
plant +  and cespitose +