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Cyperaceae
Rhynchospora

not marked as a favorite taxon Rhynchospora stiletto Naczi & Ciafré. Common name: Stiletto Beaksedge. Phenology: Jul-Aug. Habitat: Fens, calcareous wet prairies, limestone river scour outcrops. Distribution: Sc. TN to ne. AL; se. MO and adjacent ne. AR. It is only known from a small number of rare limestone-laden sites in central TN, ne. AL, se. MO, and ne. AR; further surveys are needed within its range.

Glossary (beta!)

ID notes: Rhynchospora stiletto appears to be closely allied to R. chalarocephala, and is distinguished primarily by its longer tubercle 2.3-2.7 mm long or 0.53-0.58× as long as the achene body (vs. 1.2-1.5 mm long or 0.39-0.48× as long as the achene body in R. chalarocephala).

Origin/Endemic status: Endemic

Taxonomy Comments: See Ciafré & Naczi (2022) for detailed discussion.

Synonymy ⓘ: = NS, POWO, Ciafré & Naczi (2022); = n/a — K4, S, S13; < Rhynchospora chalarocephala Fernald & Gale — C, FNA23. Basionym: Rhynchospora stiletto Naczi & Ciafré 2022

Links to other floras: < Rhynchospora chalarocephala - FNA23

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Wetland Indicator Status:

  • Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
  • Great Plains: OBL (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)

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image #1 of Rhynchospora stiletto© theo_witsell, some rights reserved (CC BY-NC), uploaded by theo_witsell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #2 of Rhynchospora stiletto© Claire Ciafré | Original Image ⭷
image #3 of Rhynchospora stiletto© theo_witsell, some rights reserved (CC BY-NC), uploaded by theo_witsell source CC-BY-NC, permission granted to NCBG | Original Image ⭷

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Horticultural Information

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