Difference between revisions of "Juncus trifidus"
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|name=Juncus monanthos | |name=Juncus monanthos | ||
|authority=Jacquin | |authority=Jacquin | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Juncus trifidus subsp. carolinianus | |name=Juncus trifidus subsp. carolinianus | ||
|authority=HamitHämit-Ahti | |authority=HamitHämit-Ahti | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Juncus trifidus subsp. monanthos | |name=Juncus trifidus subsp. monanthos | ||
|authority=(Jacquin) Ascherson & Graebner | |authority=(Jacquin) Ascherson & Graebner | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Juncus trifidus var. monanthos | |name=Juncus trifidus var. monanthos | ||
|authority=(Jacquin) Bluff & Fingerhuth | |authority=(Jacquin) Bluff & Fingerhuth | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Juncaceae;Juncus;Juncus subg. Poiophylli;Juncus trifidus | |hierarchy=Juncaceae;Juncus;Juncus subg. Poiophylli;Juncus trifidus | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Juncus trifidus | name=Juncus trifidus | ||
| − | |||
|authority=Linnaeus | |authority=Linnaeus | ||
|rank=species | |rank=species | ||
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|publication year=1753 | |publication year=1753 | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V22/V22_116.xml |
|genus=Juncus | |genus=Juncus | ||
|subgenus=Juncus subg. Poiophylli | |subgenus=Juncus subg. Poiophylli | ||
Revision as of 19:55, 16 December 2019
Herbs, perennial, tufted, 1–4 dm. Rhizomes densely branching. Culms few to many, erect to drooping. Cataphylls 2–4. Leaves basal and cauline, 2–4; auricles deeply lacerate, to 4 mm, membranous; blade dark green, flat to slightly channeled, 5–12 cm × 0.5–1 mm, margins finely serrulate. Inflorescences 1–3(–4)-flowered; primary bract usually exceeding inflorescence. Flowers: bracteoles 2, usually lacerate; tepals brownish, widely lanceolate, 2.1–3 mm; inner series slightly shorter, apex acute; stamens 6, filaments 0.3–0.7 mm, anthers 1.2–1.5 mm; stigma 1.5–3 mm. Capsules brown, ellipsoid, 2.2–3.5 × 1.3–1.7 mm, longer than tepals. Seeds brown, obliquely ovoid, 0.89–1.35 mm, not tailed. 2n = 40.
Phenology: Flowering and fruiting late spring–early summer.
Habitat: Mostly in crevices of granitic (schistose) cliffs or rubble slopes in the higher regions of the Appalachians
Elevation: 20–2000 m
Distribution
Greenland, N.B., Nfld. and Labr., N.S., Que., Maine, N.H., N.Y., N.C., Tenn., Vt., Va., Europe, n Asia.
Discussion
Selected References
None.