Polygonaceae
Polygonum

Polygonum polycnemoides Jaub. & Spach

First published in Ill. Pl. Orient. 2: 30 (1844)
This species is accepted
The native range of this species is Türkiye to Mongolia and W. Himalaya. It is an annual and grows primarily in the temperate biome.

Descriptions

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]

Ghazanfar, S. A. & Edmondson, J. R (Eds). (2016) Flora of Iraq, Volume 5 Part 1: Elatinaceae to Sphenocleaceae.

Morphology General Habit
Glabrous annual, stems 5–25 cm, prostrate, slender, rather fragile, much branched
Morphology Leaves Stipules
Ochreae triangular, lacerate, membranous
Morphology Leaves
Leaves dense, 5–12 × 0.5–2 mm linear, to narrowly lanceolate, sessile, acute, margins recurved
Morphology Reproductive morphology Flowers
Flowers 1–2 at each node, on pedicels to 1 mm, in long slender leafy spikes
Morphology Reproductive morphology Flowers Perianth
Perianth segments united for about 2/3 their length, 1.5–2 mm, greenish-white or pinkish
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5
Morphology Reproductive morphology Fruits
Fruits ± 2 mm, enclosed by the perianth, punctulate-striate, dark brown, shiny.
Ecology
In coppiced Quercus, on limestone slate and serpentinite; alt. 1600–2740 m;
Phenology
Flowering: Jun.
Distribution
Iraq: Local in the thorn-cushion zone of mountains in NE Iraq. Turkey (E Anatolia), Syria, Lebanon, Caucasus, N Iran, Turkestan, Afghanistan, Pakistan.
[FIQ]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora of Iraq

    • Ghazanfar, S. A., Edmondson, J. R. (Eds). (2013-2019). Flora of Iraq, Volumes 5.1, 5.2 and 6.0. Kew Publishing
    • 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/

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. 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 2025. 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