Copy permalink to share
Juncaceae
Juncus

not marked as a favorite taxon Juncus longii Fernald. Common name: Long’s Rush. Phenology: Jun-Aug. Habitat: Usually in very wet, often inundated sites, bogs, ditches, rooting in clay or peat. Distribution: MD south through VA, NC, SC to s. MS and se. LA (Urbatsch 2013), mainly in the Coastal Plain; disjunct inland in boggy sites, as in w. NC, nc. GA, TN, and n. AL (Knapp & Naczi 2008, more extensive distributions are based on misattribution).

Glossary (beta!)

Subgenus: Juncus. Section: Graminifolii.

ID notes: Among section Graminifolii, which is recognizable by the flat leaves lacking septae and rounded capsules in heads (glomerules), J. longii has a very dense and congested inflorescence. The rhizomes are long with well-spaced rhizome scales.

Origin/Endemic status: Endemic

Taxonomy Comments: See Knapp & Naczi (2008) for clarification of the Juncus marginatus complex.

Synonymy ⓘ: = AqW, F, K4, RAB, Tn, Va, Knapp & Naczi (2008); = Juncus aristulatus Michx. var. aristulatus — S; = n/a — Tat; < Boreojuncus marginatus (Rostk.) Záv.Drábk. & Proćków — Proćków & Záveská Drábková (2023); < Juncus biflorus Elliott — C, G; < Juncus marginatus Rostk. — FNA22, GW1, WH3, Kirschner (2002b). Basionym: Juncus longii Fernald 1937

Links to other floras: < Juncus marginatus - FNA22

Show in key(s)

Show parent genus | Show parent in key(s)

Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL

Heliophily ⓘ: 9

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image #1 of Juncus longii© Gary P. Fleming | Original Image ⭷
image #2 of Juncus longii© Gary P. Fleming | Original Image ⭷

Feedback

See something missing or incorrect about Juncus longii? Let us know here:
  1. Please include your name and if possible, email in case when need to clarify what you wrote.
  2. If you opt out of including email, please be as specific as possible (e.g., which photo is incorrect?)
  3. Please do not submit questions asking to identify plants or about horticultural topics (e.g., how do I control an invasive plant in my garden?). Instead, those questions can be submitted here for the Carolinas region only.
  4. Please do not send us feedback about unkeyed species as this work is ongoing.
  5. Please allow time for flora edits to show in our next data release. We greatly appreciate your feedback but may require extra time to research complicated taxonomic issues.

Horticultural Information

NCBG trait

Intro:

Stems:

Leaves:

Inforescence:

Flowers:

Fruits:

Comments:

Height:

plant sale text:

bloom table text:

description:

stems:

leaves:

inflorescence:

flowers:

fruits:

comments:

cultural notes:

germination code:

native range:



0 unsaved edits on this page.