Polygalaceae
Polygala

Polygala citrina Thulin

First published in Nordic J. Bot. 10: 474 (1990)
This species is accepted
The native range of this species is S. Somalia. It is an annual or perennial and grows primarily in the desert or dry shrubland 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: threatened. Confidence: confident
[AERP]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Type
S1, Buur Heybo, Thulin & Bashir Mohamed 7100 (UPS holo., K iso).
Morphology General Habit
Annual or short-lived perennial erect herb, up to at least 60 cm tall, glabrous except for minute hairs on youngest parts
Morphology Leaves
Leaves suberect, linear, 50–95 x 1–5 mm, the lowermost ones shorter, rounded to subacute and with a bristle at the tip; margin revolute
Morphology Reproductive morphology Inflorescences
Racemes terminal, fairly lax, c. 20–40-flowered; bracts 1.6–2.4 mm long, caducous; pedicels c. 1.6 mm long, becoming deflexed
Morphology Reproductive morphology Flowers Calyx
Outer sepals 1.6–2.4 mm long, ciliate, the lower ones connate; wings spatulate-elliptic, 4.5–5 x 2.4 mm, glabrous, persistent
Morphology Reproductive morphology Flowers Corolla
Petals yellow, the upper almost as long as keel; keel c. 0.5 mm long, with a fringed appendage at the tip
Morphology Reproductive morphology Fruits
Capsule ovate-oblong, c. 6.4 x 3.6 mm, not winged, obliquely emarginate at the apex, glabrous
Morphology Reproductive morphology Seeds
Seeds c. 4 mm long, densely hairy; caruncle c. 1.2 x 1 mm, pointed and densely hairy at the tip, appendages very small.
Distribution
S1 not known elsewhere.
Ecology
Altitude c. 250 m.
[FSOM]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • Flora of Somalia

    • Flora of Somalia
    • 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