Echinochloa polystachya
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Family Poaceae
Taxonomy: Echinochloa polystachya (Kunth) Hitchc.
Synonyms: 2 (APC 2026-07-30)
- Echinochloa praestans P.W.Michael (taxonomic synonym)
- Oplismenus polystachyus Kunth (nomenclatural synonym)
Distribution (APC): NT (naturalised), Qld (naturalised), NSW (naturalised)
Profiles: APC, Flora of Australia, ALA, iNaturalist, NSW Flora, NT eFlora, ATRP
Traits
Top source datasets: NHNSW_2022 (5), NHNSW_2023 (7), NTH_2022 (4), NTH_2023 (11), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 18 traits from 34 records in 7 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): andromonoecious (1) [sources: Sjostrom_2006]
fruit morphology
- fruit_length (numerical): 2.25 mm (2-2.5 mm) [sources: NTH_2023]
- fruit_type (categorical): caryopsis (3) [sources: NHNSW_2023; NTH_2023; Sjostrom_2006]
- fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
- fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]
leaf morphology
- leaf_length (numerical): 400 mm (200-500 mm) [sources: NHNSW_2023; NTH_2023]
- leaf_width (numerical): 21.75 mm (10-35 mm) [sources: NHNSW_2023; NTH_2023]
- leaf_shape (categorical): lanceolate (1); linear (1) [sources: NTH_2023]
- leaf_lamina_posture (categorical): flat (1) [sources: NTH_2023]
- leaf_phyllotaxis (categorical): alternate (1) [sources: NHNSW_2023]
- plant_photosynthetic_organ (categorical): leaf (2) [sources: NHNSW_2023; NTH_2023]
life history
- plant_growth_form (categorical): graminoid (3); herb (2) [sources: NHNSW_2022; NTH_2022; Wenk_2022]
- life_history (categorical): perennial (3) [sources: NHNSW_2022; NTH_2022; Wenk_2023]
- plant_growth_substrate (categorical): aquatic (1) [sources: NHNSW_2022]
- woodiness_detailed (categorical): herbaceous (3) [sources: NHNSW_2022; NTH_2022; Wenk_2022]
- stem_growth_habit (categorical): decumbent (1); rhizomatous (1) [sources: NHNSW_2022; NTH_2022]
- storage_organ (categorical): rhizome (1) [sources: NTH_2023]
whole plant morphology
- plant_height (numerical): 3 m (3-3 m) [sources: NHNSW_2023]
Sources
| dataset_id | n_traits | n_records | reference |
|---|---|---|---|
| NTH_2023 | 8 | 11 | D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/. |
| NHNSW_2023 | 6 | 7 | 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/. |
| NHNSW_2022 | 5 | 5 | 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/. |
| NTH_2022 | 4 | 4 | D. of Land Resource Management and N. T. of Australia. Northern Territory Flora Online. accessed on 6 May, 2022.. 2022. url: http://eflora.nt.gov.au/. |
| Sjostrom_2006 | 4 | 4 | A. Sjöström and C. L. Gross. “Life-history characters and phylogeny are correlated with extinction risk in the Australian angiosperms”. Journal of Biogeography 33.2 (2006), pp. 271-290. doi: 10.1111/j.1365-2699.2005.01393.x. |
| Wenk_2022 | 2 | 2 | E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022. |
| Wenk_2023 | 1 | 1 | E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023. |