Cyperus squarrosus Linnaeus var. runyonii (O'Neill) S.D. Jones & Wipff. Common name: Texas Awned Flatsedge. Phenology: May-Oct. Habitat: On sands or granite. Distribution: C. OK south to c. TX and s. TX. Reports of C. granitophilus from this area (O'Kennon & Taylor 2015) represent this taxon (Lowe & Carter 2023).
Origin/Endemic status: Native
Taxonomy Comments: Lowe & Carter (2023) interpret C. squarrosus as having three varieties, var. squarrosus, var. runyonii, and var. graniticus.
Synonymy ⓘ: = POWO, Lowe & Carter (2023); = Cyperus aristatus Rottb. var. runyonii O'Neill — Tx; < Cyperus squarrosus L. — ETx1, FNA23, K4, NcTx, NS. Basionym: Cyperus aristatus Rottb. var. runyonii O'Neill 1942
Links to other floras: < Cyperus squarrosus - FNA23
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
- Great Plains: OBL (taxonomic split from wetland indicator species)
- Midwest: OBL (taxonomic split from wetland indicator species)
- Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)
Heliophily ⓘ: 9
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Horticultural Information
No horticultural data found for this taxon.