Copy permalink to share
Primulaceae
Steironema

not marked as a favorite taxon Steironema lanceolatum (Walter) Gray. Common name: Lanceleaf Loosestrife. Phenology: May-Aug; Sep-Oct. Habitat: Mesic to relatively dry forests, mafic and calcareous fens, bogs, forest edges, roadbanks, primarily on circumneutral soils. Distribution: New Jersey, Pennsylvania, Ohio, Michigan, and Wisconsin south to Georgia, Panhandle Florida, Alabama, Mississippi, Louisiana, and ne. Texas.

Glossary (beta!)

Origin/Endemic status: Native

Synonymy ⓘ: = G, Il; = Lysimachia lanceolata Walter — Ar, C, Can, F, FNA8, K1, K4, Mi, Mo3, NcTx, NS, Pa, POWO, Tat, Tn, Tx, Va, W, WV, Coffey & Jones (1980), Estes, Shaw, & Mausert-Mooney (2015); = Lysimachia lanceolata Walter var. lanceolata — GW2, RAB, WH3; < Lysimachia lanceolata Walter — Fl5; > Steironema heterophyllum (Michx.) Baudo — S, S13; > Steironema lanceolatum (Walter) Gray — S, S13. Basionym: Lysimachia lanceolata Walter 1788

Links to other floras: = Lysimachia lanceolata - FNA8

Show in key(s)

Show parent genus | Show parent in key(s)

Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC (name change)
  • Eastern Mountains and Piedmont: FAC (name change)
  • Great Plains: FAC (name change)
  • Midwest: FAC (name change)
  • Northcentral & Northeast: FAC (name change)

Heliophily ⓘ: 7

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 Steironema lanceolatum© Bruce A. Sorrie | Original Image ⭷
image #2 of Steironema lanceolatum© Jim Fowler | Original Image ⭷
image #3 of Steironema lanceolatum© Gary P. Fleming | Original Image ⭷
image #4 of Steironema lanceolatum© Alan Cressler: Lysimachia lanceolata, Track Rock Seeps, Union County, Georgia 2 by Alan Cressler source | Original Image ⭷
image #5 of Steironema lanceolatum© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #7 of Steironema lanceolatum© Joey Shaw source | Original Image ⭷

Feedback

See something missing or incorrect about Steironema lanceolatum? 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: Erect-ascending, rhizomatous perennial found in moist to relatively dry forests, mafic and calcareous fens, bogs, forest edges and road banks, primarily on circumneutral soils.

Stems: Stems simple or with ascending branches, sometimes reclining and rooting at nodes.

Leaves: Leaves opposite (whorled near top), petiolate or sessile, linear to lance-shaped with tapering base; margins sometimes hairy and leaves lighter green beneath when young.

Inforescence:

Flowers: Flowers nod on slender stalks arising from upper leaf axils, 1-4 per axil; yellow; about 3/4 in. wide; consisting of 5 spreading, round, ragged-edged petals with reddish bases, 5 lance-shaped sepals and 5 yellowish-orange stamens.

Fruits:

Comments:

Height: 1-2 ft.

plant sale text:

bloom table text:

description: Erect-ascending, rhizomatous perennial found in moist to relatively dry forests, mafic and calcareous fens, bogs, forest edges and road banks, primarily on circumneutral soils.

stems: Stems simple or with ascending branches, sometimes reclining and rooting at nodes.

leaves: Leaves opposite (whorled near top), petiolate or sessile, linear to lance-shaped with tapering base; margins sometimes hairy and leaves lighter green beneath when young.

inflorescence:

flowers: Flowers nod on slender stalks arising from upper leaf axils, 1-4 per axil; yellow; about 3/4 in. wide; consisting of 5 spreading, round, ragged-edged petals with reddish bases, 5 lance-shaped sepals and 5 yellowish-orange stamens.

fruits:

comments:

cultural notes:

germination code:

native range: