Dulichium arundinaceum (Linnaeus) Britton var. arundinaceum . Common name: Threeway Sedge. Phenology: Jul-Oct. Habitat: Streambanks, marshes, bogs, ditches. Distribution: Var. arundinaceum ranges from NL (Newfoundland) west to MN, south to FL and TX; also from MT and BC south to CA.
ID notes: Recognizable (even when sterile) by the strongly 3-ranked leaves and culms round in cross-section and hollow.
Origin/Endemic status: Native
Taxonomy Comments: A second variety, var. boreale Lepage, is endemic in QC.
Synonymy ⓘ: = Ar, Can, FNA23, K4, NE, NSProv, NY, Pa, POWO, Va; < Dulichium arundinaceum (L.) Britton — C, ETx1, F, G, GrPl, GW1, Il, Mi, Mo1, RAB, S, S13, Tat, Tn, Tx, W, WH3, WV; Cyperus arundinaceus Linnaeus — (basionym)
Links to other floras: = Dulichium arundinaceum var. arundinaceum - FNA23
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL (name change)
- Eastern Mountains and Piedmont: OBL (name change)
- Great Plains: OBL (name change)
- Midwest: OBL (name change)
- Northcentral & Northeast: OBL (name change)
Heliophily ⓘ: 8
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Horticultural Information
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 |
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