Eremogone pumicola

(Coville & Leiberg) Ikonnikov

Novosti Syst. Vyssh. Rast. 10: 140. 1973.

Common names: Crater Lake sandwort
Endemic
Basionym: Arenaria pumicola Coville & Leiberg Proc. Biol. Soc. Wash. 11: 169. 1897
Treatment appears in FNA Volume 5. Treatment on page 69. Mentioned on page 58.

Plants tufted, green, not glaucous, slightly woody at base. Stems erect, 10–20 cm, stipitate-glandular. Leaves: basal leaves ± deciduous; cauline leaves (2–) 3–5 of equal size distally; basal blades ascending to ± spreading, narrowly linear, 1.5–3.5 cm × 1–1.5 mm, ± flexuous, ± succulent, apex green, blunt or acute to apiculate, glabrous, not glaucous. Inflorescences 7–40+-flowered, ± open cymes. Pedicels 3–20 mm, stipitate-glandular. Flowers: sepals 1–3-veined, lateral pair obscure, ovate, 3–3.8 mm, 4–4.5 mm in fruit, margins broad, apex obtuse to rounded or barely acute, stipitate-glandular; petals white, narrowly spatulate, 6.6–7.5 mm, 2 times as long as sepals, apex rounded or emarginate; nectaries as lateral and abaxial rounding of base of filaments opposite sepals, 0.3 mm. Capsules 4.5–5.5 mm, glabrous. Seeds black to brown, oblong to pyriform, 1.8–2.4 mm, smooth to tuberculate.


Phenology: Flowering summer.
Habitat: Areas with loose pumice
Elevation: 1600-2800 m

Discussion

Eremogone pumicola is restricted to Crater Lake and vicinity, southwestern Oregon.

Selected References

None.

Lower Taxa

None.
... more about "Eremogone pumicola"
spinose +  and apiculate +
stipitate-glandular +, not glaucous +  and glabrous +
emarginate;rounded;obtuse;rounded or barely acute +
Ronald L. Hartman +, Richard K. Rabeler +  and Frederick H. Utech +
(Coville & Leiberg) Ikonnikov +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Arenaria pumicola +
filiform +  and subulate or narrowly linear +
not +  and succulent +
reduced +
ovoid;urceolate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
Crater Lake sandwort +
dish--shaped +
expanded +
1600-2800 m +
straight +  and curved +
central +  and peripheral +
inconspicuous +
unisexual +  and bisexual +
stalked +  and simple +
Areas with loose pumice +
disc--shaped +  and dish +
connate +
0.3 cm3 mm <br />0.003 m <br /> (?) +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
stipitate-glandular +
0.3 cm3 mm <br />0.003 m <br /> (2 cm20 mm <br />0.02 m <br />) +
fugacious +
2 times as long as sepals +
spatulate +
0.66 cm6.6 mm <br />0.0066 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
Flowering summer. +
Novosti Syst. Vyssh. Rast. +
black;brown +
smooth +  and tuberculate +
oblong +  and pyriform +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.24 cm2.4 mm <br />0.0024 m <br />) +
persistent +
connate +  and distinct +
0.4 cm4 mm <br />0.004 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
branched +  and simple +
stipitate-glandular +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 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 pumicola +
Eremogone +
species +
ascending;recurved +
divided +
10 +  and 8 +
rhizomatous +  and taprooted +