Eremogone macradenia var. macradenia

Endemic
Synonyms: Arenaria congesta var. parishiorum B. L. Robinson Arenaria macradenia var. parishiorum Eremogone parishiorum (B. L. Robinson) Ikonnikov
Treatment appears in FNA Volume 5. Treatment on page 68. Mentioned on page 69.

Cauline leaves mostly in 5–8 pairs, blade ± ascending throughout, 0.8–1.2 mm wide. Inflorescences: branches erect to ascending. Flowers: sepals 4.5–7.2 mm, to 8 mm in fruit, ± glabrous; nectaries thickened, molarlike, apically 2-lobed, 1–1.5 mm.


Phenology: Flowering spring–summer.
Habitat: Open woodlands, sagebrush flats, dry, rocky slopes, alluvial deposits, often on carbonates
Elevation: 600-2200 m

Distribution

V5 145-distribution-map.gif

Ariz., Calif., Nev., Utah.

Discussion

Plants with petals equaling or barely exceeding the sepals and with cauline leaves fewer than five pairs have been recognized as Arenaria macradenia var. parishiorum; those features intergrade completely with var. macradenia. See M. F. Baad (1969) for his reasons for accepting var. parishiorum as a species.

B. Maguire (1947) included “Lower California” in his distribution statement for var. macradenia, implying Baja California; we have not seen any collections from that area.

Selected References

None.

Lower Taxa

None.

"-2timesaslongassepals" is not declared as a valid unit of measurement for this property.

erose +  and entire +
spinose +  and apiculate +
glabrous +  and sparsely stipitate-glandular +
Ronald L. Hartman +, Richard K. Rabeler +  and Frederick H. Utech +
(S. Watson) Ikonnikov +
6 cm60 mm <br />0.06 m <br /> (7 cm70 mm <br />0.07 m <br />) +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
linear +  and needlelike +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Arenaria macradenia +
filiform +  and subulate or narrowly linear +
? (?) +  and ? (?) +
0.8mm;1.2mm +
reduced +
erect +  and ascending +
ovoid;urceolate +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
dish--shaped +
expanded +
Ariz. +, Calif. +, Nev. +  and Utah. +
600-2200 m +
straight +  and curved +
central +  and peripheral +
inconspicuous +
unisexual +  and bisexual +
stalked +  and simple +
Open woodlands, sagebrush flats, dry, rocky slopes, alluvial deposits, often on carbonates +
erect +  and spreading +
disc--shaped +  and dish +
3-20(-30)-flowered +
connate +
narrow +  and broad +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
stipitate-glandular +  and glabrous +
0.3 cm3 mm <br />0.003 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
fugacious +
0.6 cm6 mm <br />0.006 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Flowering spring–summer. +
Novosti Syst. Vyssh. Rast. +
tuberculate +
suborbicular +  and pyriform or ovoid +
persistent +
connate +  and distinct +
ovate;lanceolate or elliptic +
0 cm0 mm <br />0 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
branched +  and simple +
20 cm200 mm <br />0.2 m <br /> (40 cm400 mm <br />0.4 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 />) +
Arenaria congesta var. parishiorum +, Arenaria macradenia var. parishiorum +  and Eremogone parishiorum +
Stout (?) +  and Slender (?) +
Eremogone macradenia var. macradenia +
Eremogone macradenia +
variety +
ascending;recurved +
divided +
rounded +  and conic +
10 +  and 8 +
rhizomatous +  and taprooted +