Cyperus tetragonus Elliott. Common name: Four-angled Flatsedge. Phenology: Jul-Sep. Habitat: Maritime forests and dunes, edges of brackish marshes. Distribution: E. NC south to s. FL and FL Panhandle. Reports of the species in s. AL (Woods, Diamond, & Burkhalter 2016) are based on specimens of C. thyrsiflorus.
ID notes: This species is easy to recognize in the field by its narrowly and very loosely cylindric spikes with relatively short, ellipsoid spikelets.
Origin/Endemic status: Endemic
Taxonomy Comments: C. pringlei of AZ, NM, and n. Mexico has sometimes been treated as conspecific (as by FNA), but it should be regarded as distinct or as a synonym of C. mutisii .
Synonymy ⓘ: = K4, NS, RAB, S; < Cyperus tetragonus Elliott — FNA23, POWO, WH3; Cyperus tetragonus Elliott — (basionym)
Links to other floras: < Cyperus tetragonus - FNA23
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FAC
- Great Plains: FAC
Heliophily ⓘ: 7
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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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