Difference between revisions of "Juncus secundus"
in J. Lamarck et al.,Encyclopedie Methodique. Botanique... Supplement 3: 160. 1813.
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+ | |special_status={{Treatment/ID/Special_status | ||
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|publication year=1813 | |publication year=1813 | ||
− | |special status= | + | |special status=Endemic |
− | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V22/V22_69.xml |
|genus=Juncus | |genus=Juncus | ||
|subgenus=Juncus subg. Poiophylli | |subgenus=Juncus subg. Poiophylli |
Revision as of 22:24, 27 May 2020
Herbs, short-lived perennial, cespitose, 1.5–7 dm. Culms 1–30. Leaves basal, (1–)2–3; auricles 0.2–0.4(–0.6) mm, scarious; blade flat, 10–30 cm × 0.5–1 mm, margins entire. Inflorescences 5–15(–30)-flowered, usually somewhat loose, 1–5 cm; primary bract usually shorter than inflorescence. Flowers: chiefly along inner side of branches; bracteoles 2; tepals greenish, lanceolate, 3.3–4.4 mm; outer and inner series equal, apex acuminate; stamens 6, filaments 0.5–0.9 mm, anthers 0.4–0.8 mm; style 0.1–0.2 mm. Capsules tan or light brown, 3-locular, ellipsoid, (3.3–)3.8–4.7 mm, nearly equal to tepals. Seeds tan, ellipsoid to lunate, 0.5–0.6(–0.7) mm, not tailed. 2n = ca. 80.
Phenology: Flowering and fruiting spring.
Habitat: Exposed sites, usually with well-drained sandy soil, often associated with shallow bedrock
Distribution
![V22 69-distribution-map.jpg](/w/images/2/2a/V22_69-distribution-map.jpg)
N.S., Ont., Ala., Ark., Conn., Del., Ga., Ill., Ind., Ky., La., Maine, Md., Mass., Mo., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., Tenn., Vt., Va., W.Va.
Discussion
Selected References
None.