Difference between revisions of "Juncus leiospermus"
Leaflets of Western Botany 5: 113. 1948.
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|elevation=to 500 m | |elevation=to 500 m | ||
|distribution=Calif. | |distribution=Calif. | ||
| − | |discussion=<p>Plants from Butte and Calaveras Ccounties, California, tend to be smaller and consistently develop only one flower per culm; they may be recognized as <i>Juncus leiospermus</i> <i></i>var.<i> ahartii</i> Ertter.</p><!-- | + | |discussion=<p>Plants from Butte and Calaveras Ccounties, California, tend to be smaller and consistently develop only one flower per culm; they may be recognized as <i>Juncus leiospermus</i> <i></i></i>var.<i><i> ahartii</i> Ertter.</p><!-- |
--><p>Of conservation concern.</p> | --><p>Of conservation concern.</p> | ||
|tables= | |tables= | ||
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|publication year=1948 | |publication year=1948 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V22/V22_586.xml |
|genus=Juncus | |genus=Juncus | ||
|subgenus=Juncus subg. Graminifolii | |subgenus=Juncus subg. Graminifolii | ||
Revision as of 20:03, 24 September 2019
Herbs, annual, cespitose, 0.2–1.2 dm. Culms to 100, (0.2–)0.4–0.8 mm diam.. Leaves 1/3–3/4 height of plant. Inflorescences terminal clusters, each with 1–7 flowers; bracts subtending inflorescence 2–8, round to acutely ovate, inconspicuous, 0.7–2.4 mm, membranous. Flowers: tepals reddish to black, narrowly lanceolate to oblong, 2–4.6 × 0.5–1.4 mm; inner series usually slightly longer than outer, apex obtuse to acuminate; stamens 3, filaments 0.5–1.4 mm, anthers 1–3.2 mm; style persistent, 1.4–4 mm, stigma 1.3–4 mm. Capsules reddish, 3-locular, globose to ellipsoid or oblong, 2–4.5 × 1–3 mm, nearly equal to sepals. Seeds ovoid, 0.35–0.45 mm. n = 16.
Phenology: Flowering and fruiting in spring.
Habitat: Margins of vernal pools
Elevation: to 500 m
Discussion
Plants from Butte and Calaveras Ccounties, California, tend to be smaller and consistently develop only one flower per culm; they may be recognized as Juncus leiospermus var. ahartii Ertter.
Of conservation concern.
Selected References
None.