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Carex abscondita Mackenzie. Section: [26dd] Section 21 Careyanae. Common name: Thicket Sedge. Phenology: Apr-Jun. Habitat: Bottomlands, other mesic forests, seepage swamps. Distribution: MA south to Panhandle FL, west to TX and OK, and scattered inland.

Origin/Endemic status: Native

Taxonomy Comments: C. abscondita is highly variable and needs additional study. Notably, a second species, C. magnifolia Mackenzie, has sometimes been recognized. C. magnifolia differs morphologically from C. abscondita in its larger perigynia, longer leaves, and much more strongly glaucous leaves; it has a more southern distribution and occurs in wetter, boggier habitats in a more restricted range (NC to FL, and disjunct inland in Henderson Co. NC). Manhart (1984) found that C. magnifolia differed chemically from C. abscondita. Further study is needed to verify its taxonomic status.

Other Comments: Naczi (1999b) reports a chromosome number of n = 24.

Synonymy ⓘ: = Ar, ETx1, FNA23, Il, K4, Mo1, NcTx, NE, NS, NY, Pa, POWO, Tat, Tn, Va, W, WH3; < Carex abscondita Mack. — C, G, RAB; > Carex abscondita Mack. — S, Mackenzie (1931-1935); > Carex abscondita Mack. var. abscondita — F; > Carex abscondita Mack. var. rostellata Fernald — F; > Carex magnifolia Mack. — S, Mackenzie (1931-1935); Carex abscondita Mack. Basionym: Carex abscondita Mack. 1910 "Urbasionym:" Carex ptychocarpa Link 1799

Links to other floras: = Carex abscondita - FNA23

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: FAC (taxonomic split from wetland indicator species)
  • Great Plains: FAC (taxonomic split from wetland indicator species)
  • Midwest: FACU (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily ⓘ: 3

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Bruce Sorrie
image of plant© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

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