Cyperus rotundus
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Family Cyperaceae
Taxonomy: Cyperus rotundus L.
Synonyms: 14 (APC 2026-07-30)
- Cyperus comosus Sibth. ex Sm. (taxonomic synonym)
- Cyperus hexastachyos L. ex Rottb. (taxonomic synonym)
- Cyperus hexastachyus D.Dietr. (taxonomic synonym)
- Cyperus hydra Michx. (taxonomic synonym)
- Cyperus nubicus C.B.Clarke (taxonomic synonym)
- Cyperus rotundus L. subsp. rotundus (nomenclatural synonym)
- Cyperus rotundus L. var. rotundus (nomenclatural synonym)
- Cyperus rotundus f. comosus (Sibth. ex Sm.) K.Richt. (taxonomic synonym)
- Cyperus rotundus var. amaliae C.B.Clarke (pro parte taxonomic synonym)
- Cyperus rotundus var. centiflorus C.B.Clarke (taxonomic synonym)
- Cyperus rotundus var. salsola C.B.Clarke (taxonomic synonym)
- Cyperus rotundus var. β 100-flora C.B.Clarke (taxonomic synonym)
- Cyperus rotundus var. β nubicus (C.B.Clarke) Kük. (pro parte taxonomic synonym)
- Cyperus stolonifer Kunth (taxonomic synonym)
Misapplied names: 1 (APC 2026-07-30)
- Cyperus carinatus R.Br. (misapplied)
Distribution (APC): WA (naturalised), ChI (naturalised), NT (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), LHI (naturalised), NI (naturalised), ACT (naturalised), Vic (naturalised)
Profiles: APC, Flora of Australia, ALA, iNaturalist, NSW Flora, NT eFlora, SA eFlora, Vic Flora, Florabase, ATRP
Traits
Top source datasets: Metcalfe_2020_1 (3), NHNSW_2014_2 (1), NHNSW_2022 (4), NHNSW_2023 (8), RBGV_2022 (4), RBGV_2023 (8), SAH_2022 (3), SAH_2023 (5), WAH_2022_1 (4), WAH_2022_2 (4), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 17 traits from 50 records in 13 datasets.
Traits by category (click to expand). For categorical traits, the values are listed. For numerical traits, the mean and range are shown.
flower morphology
- sex_type (categorical): hermaphrodite (1) [sources: Metcalfe_2020_1]
fruit morphology
- fruit_length (numerical): 1.5 mm (1.5-1.5 mm) [sources: NHNSW_2023; RBGV_2023]
- fruit_width (numerical): 0.5 mm (0.5-0.5 mm) [sources: NHNSW_2023; RBGV_2023]
- fruit_height (numerical): 0.5 mm (0.5-0.5 mm) [sources: NHNSW_2023; RBGV_2023]
- fruit_type (categorical): nut (3) [sources: NHNSW_2023; RBGV_2023; SAH_2023]
- fruit_colour (categorical): brown (2); grey (2) [sources: NHNSW_2023; RBGV_2023]
leaf morphology
- leaf_width (numerical): 4 mm (2-6 mm) [sources: NHNSW_2023; RBGV_2023]
- leaf_base_shape (categorical): sheathing (1) [sources: SAH_2023]
- leaf_compoundness (categorical): simple (1) [sources: Metcalfe_2020_1]
life history
- plant_growth_form (categorical): graminoid (6); herb (4) [sources: NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_1; WAH_2022_2; Wenk_2022]
- life_history (categorical): perennial (6) [sources: NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_1; WAH_2022_2; Wenk_2023]
- woodiness_detailed (categorical): herbaceous (6); woody_root (2) [sources: NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_1; WAH_2022_2; Wenk_2022]
- stem_growth_habit (categorical): dense (1); rhizomatous (4) [sources: NHNSW_2022; RBGV_2022; WAH_2022_1; WAH_2022_2]
- flowering_time (categorical): yynnnnnnyyyy (1) [sources: NHNSW_2014_2]
- vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: Metcalfe_2020_1]
- storage_organ (categorical): rhizome (1); rhizome_fleshy (3); rhizome_woody (2); stem_tuber (1) [sources: NHNSW_2023; RBGV_2023; SAH_2023; WAH_2023_2]
whole plant morphology
- plant_height (numerical): 0.3 m (0.15-0.6 m) [sources: SAH_2023; WAH_2023_2]
Sources
| dataset_id | n_traits | n_records | reference |
|---|---|---|---|
| NHNSW_2023 | 7 | 8 | N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2023. url: https://plantnet.rbgsyd.nsw.gov.au/. |
| RBGV_2023 | 7 | 8 | VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/. |
| SAH_2023 | 4 | 5 | S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.gov.au/. |
| NHNSW_2022 | 4 | 4 | N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2022. url: https://plantnet.rbgsyd.nsw.gov.au/. |
| RBGV_2022 | 4 | 4 | VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/. |
| WAH_2022_1 | 4 | 4 | Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/. |
| WAH_2022_2 | 4 | 4 | Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/. |
| Metcalfe_2020_1 | 3 | 3 | D. Metcalfe. “Unpublished data: Database of Cyperaceae traits, CSIRO”. 2020. |
| SAH_2022 | 3 | 3 | S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.gov.au/. |
| WAH_2023_2 | 2 | 3 | Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/. |
| Wenk_2022 | 2 | 2 | E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022. |
| NHNSW_2014_2 | 1 | 1 | Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/. |
| Wenk_2023 | 1 | 1 | E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023. |