Asteraceae
Pentanema

Pentanema salicinum (L.) D.Gut.Larr., Santos-Vicente, Anderb., E.Rico & M.M.Mart.Ort.

First published in Taxon 67: 159 (2018)
This species is accepted
The native range of this species is Temp. Eurasia. It is a perennial 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. & Hind, D. J. N. (Eds). (2019). Flora of Iraq, Volume 6: Compositae.Kew Publishing

Morphology General Habit
Perennial herb with a slender rhizome
Morphology Stem
Stem slender, brittle, 0.3–0.8(–1.1) m tall, leafy throughout, ridged, ± pilose below, glabrous or almost so above
Morphology Leaves
Median cauline leaves largest, 4–7(–11) × 0.7–3 cm, sessile, semi-amplexicaul, oblong-lanceolate, acute and apiculate, apparently entire but with a border of minute double cartilaginous  teeth, lamina glabrous and bright green on both surfaces, or minutely hairy on veins beneath
Morphology Reproductive morphology Inflorescences
Inflorescence a corymb of 1–4 (rarely up to c. 12) capitula; pedicels 1–1.5 cm
Morphology Reproductive morphology Inflorescences Bracts Involucre
Involucre shallowly hemispherical, 1.25–2 cm in diameter; outer and median phyllaries oblong to panduriform, ciliate, with an apical leafy erect to reflexed appendage, median to 6–7 mm long; innermost phyllaries linear, without appendages, densely softly hairy at tip
Morphology Reproductive morphology Flowers Florets
Female florets rayed, 15–20 mm, rays 10–15 mm; disc florets 7–9 mm
Morphology Reproductive morphology Fruits
Achenes cylindrical, c. 1.75 mm, ribbed, glabrous; pappus 5–8 mm, dirty white, very minutely barbellate.
Ecology
On the lower slopes of mountains, mostly under trees (Pinus or Quercus); alt. 900–1180 m;
Phenology
flowering & fruiting: Jun.-Aug.
Distribution
Rather rare in the mountain region of Iraq. Almost throughout Europe, Turkey, Lebanon, Caucasia, Siberia eastwards to C. Asia, China, Japan.
[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