Juncus hemiendytus var. hemiendytus

Common names: Hermann's dwarf rush
IllustratedEndemic
Synonyms: Juncus brachystylus var. uniflorus Engelmann Juncus triformis var. uniflorus
Treatment appears in FNA Volume 22.

Culms not dilated directly proximal to flower, 0.1–0.3 mm diam. Inflorescences: bracts subtending inflorescence 1–2, rounded to obtusely ovate, 1–2 mm. Capsules usually longer than tepals. n = 16.


Phenology: Flowering and fruiting spring–early fall.
Habitat: Various damp open habitats including vernal depressions, streambeds, swales in sagebrush flats, forest clearing and alpine meadows
Elevation: 400–3200 m

Distribution

V22 617-distribution-map.jpg

Calif., Idaho, Nev., Oreg., Utah, Wash.

Discussion

Selected References

None.

Lower Taxa

None.
persistent +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
rounded +  and acute +
Ralph E. Brooks* +  and Steven E. Clemants* +
F. J. Hermann +
channeled;terete;flat +
rounded +  and obtusely ovate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
obovoid;ellipsoid or oblate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Hermann's dwarf rush +
0.1mm;0.3mm +
not dilated +
Calif. +, Idaho +, Nev. +, Oreg. +, Utah +  and Wash. +
400–3200 m +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
arranged +  and cluster +
headlike +
Various damp open habitats including vernal depressions, streambeds, swales in sagebrush flats, forest clearing and alpine meadows +
pseudoaxillary +  and terminal +
1/2 height of plant;1-1/3 height of plant +
cauline +  and basal +
3 +  and 1 +
green;brown or purplish black +
persistent +
Flowering and fruiting spring–early fall. +
parietal +  and axile +
Leaflets of Western Botany +
ovoid;oblate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.055 cm0.55 mm <br />5.5e-4 m <br />) +
green;brown or purplish black +
persistent +
Illustrated +  and Endemic +
generally longer +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (?) +  and 0.04 cm0.4 mm <br />4.0e-4 m <br /> (?) +
Juncus brachystylus var. uniflorus +  and Juncus triformis var. uniflorus +
Juncus hemiendytus var. hemiendytus +
Juncus hemiendytus +
variety +
1.5mm;3mm +
erect;recurved +
0.5mm;1.2mm +
herb +  and cespitose +