Juncus hallii
2:446. 1866.
Herbs, perennial, strongly tufted, to 4 dm. Rhizomes densely short-branched. Culms terete. Cataphylls several. Leaves: auricles 0.2 mm, apex acutish to rounded, scarious; blade 4–15 cm. Inflorescences 2–7-flowered, loose to congested; primary bract usually longer than inflorescence. Flowers pedicellate; bracteoles ovate; tepals light-brown with green midstripe, lanceolate or widely so, 4–5 mm, margins scarious; inner series loosely subtending capsule at maturity, shorter; stamens 6, filaments 0.8 mm, anthers 0.8–1.1 mm; style 0.2 mm. Capsules brown, 3-locular, oblong-ovoid, 3.5–5 × 1.5–1.9 mm, slightly exceeding perianth. Seeds amber, body 0.5 mm, tails 0.3 mm.
Phenology: Flowering and fruiting summer.
Habitat: Exposed slopes, stream banks, and meadows in montane and alpine areas
Elevation: 1600–3000 m
Distribution
Colo., Idaho, Mont., Utah, Wash., Wyo.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Juncus hallii"
persistent +
scarious +
white +
0.2 cm2 mm <br />0.002 m <br /> (?) +
not septate +
absent +
glabrous +
channeled;terete +
0.5 cm5 mm <br />0.005 m <br /> (?) +
leaflike +
erect +
more2;1 +
terete +
absent +
ovate +
monochasial +
brown +
septicidal +
oblong-ovoid +
several +
Hall's rush +
terete +
earlike +
0.8 cm8 mm <br />0.008 m <br /> (?) +
pedicellate +
symmetric +
single +
bisexual +
headlike +
loculicidal +
singly +
1;many +
reduced +
basal +
hairy +
involute +
scarious +
green +
superior +
green;brown or purplish black +
persistent +
basal +
usually longer +
Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen +
1866 +
short-branched +
many +
tailed +
green;brown or purplish black +
persistent +
open +
overlapping +
fused +
Endemic +
generally longer +
0.2 cm2 mm <br />0.002 m <br /> (?) +
translucent +
reduced +
0.3 cm3 mm <br />0.003 m <br /> (?) +
Juncus hallii +
Juncus subg. Genuini +
species +
light-brown +
rhizomatous +
perennial +