Isolepis setacea (L.) R.Br.

First published in Prodr. Fl. Nov. Holland.: 222 (1810)
This species is accepted
The native range of this species is Temp. & Subtropical Eurasia, Africa. It is an annual or perennial and grows primarily in the temperate biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/164234/13550847

Conservation
LC - least concern
[IUCN]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

Type
Type: Europe (LINN, lecto., chosen by Simpson et al. 2001)
Morphology General Habit
Tufted annual or short-lived perennial.
Vegetative Multiplication Rhizomes
Rhizome whitish, ascending or occasionally horizontal, 1–18 × 0.3–1 mm.
Morphology Culms
Culms 1.2–25 cm tall, 0.2–0.8 mm diameter, without nodes
Morphology Leaves
Leaves with brown sheath 2–33 × 0.3–1 mm; blade 1–98 × 0.1–0.7 mm
Morphology Reproductive morphology Inflorescences
Inflorescence pseudolateral, not proliferating.
Morphology Reproductive morphology Inflorescences Bracts
Bract 2–23 × 0.2–0.6 mm.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 1–4, 1.7–6.5 × 0.5–2.5 mm; with 4–35 glumes.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes green or with brown to dark brown patches, 1–2.5 × 0.4–1 mm, acute, midrib green with mucro < 0.1 mm long
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 1–3.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 0.2–0.6 mm, crested
Morphology Reproductive morphology Flowers Gynoecium Style
Style trifid
Morphology Reproductive morphology Fruits
Nutlets brown to dark brown, 0.7–1.3 × 0.4–0.9 mm, surface with longitudinal ribs and densely set transverse bars connecting the ribs.
Ecology
Seepage and wet grassland; 2400–3800 m
Distribution
Range: Widespread in alpine and subalpine regions in Europe, Africa, India, and Western China Flora districts: U2 U3 K2 K3 K4 T2 T6 T7
[FTEA]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Science Photographs

    • Copyright applied to individual images