Rhynchospora sulcata Gale. Common name: Grooved Beaksedge. Phenology: Jun-Jul. Habitat: Limesink ponds (dolines), Carolina bays, other seasonally ponded depressional wetlands. Distribution: Se. NC south to Panhandle FL; West Indies (Cuba); Central America and perhaps n. South America. See Ungberg (2022) for discussion of its occurrence in NC.
ID notes: Rhynchospora sulcata is very similar to R. microcarpa and can be easily confused with it; see Rhynchospora Key F.
Origin/Endemic status: Native
Synonymy ⓘ: = GW1, NS, POWO, RAB, WH3, Bridges & Orzell (2023) in Weakley et al (2023), McMillan (2007); > Rhynchospora brittonii Gale — Gale (1944); < Rhynchospora microcarpa Baldwin ex A.Gray — FNA23, K4; > Rhynchospora sulcata Gale — Gale (1944); < Rynchospora microcarpa — S, S13; Rhynchospora sulcata Gale — (basionym)
Links to other floras: < Rhynchospora microcarpa - FNA23
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
- Great Plains: FACW (taxonomic split from wetland indicator species)
Heliophily ⓘ: 9
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