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Valurt

Valurt


Vísindaleg flokkun
Ríki: Jurtaríki (Plantae)
Fylking: Dulfrævingar (Magnoliophyta)
Flokkur: Tvíkímblöðungar (Magnoliopsida)
Ætt: Munablómaætt (Boraginaceae)
Ættkvísl: Valurtir (Symphytum)
Tegund:
Valurt (S. officinale)

Tvínefni
Symphytum officinale
L.
Samheiti
  • Symphitum officinale (orth.var.)

Valurt[1] (fræðiheiti: Symphytum officinale[2]) er fjölær jurt af munablómaætt, ættuð frá Evrópu. Það ber gul eða bleik til fjólublá blóm í margblóma kvíslskúf. Öll jurtin er bursthærð. Blöðin stór, egg til lensulaga. Gömul lækningajurt, sérstaklega notuð við mari, tognun og beinbrotum, en mælt er gegn inntöku vegna eiturefna sem geta valdið lifrarskemmdum (Pyrrolizidine alkaloid).[3][4] Valurt er talin góð fóðurplanta fyrir býflugur.[5] Hún er harðgerð og hefur reynst vel í görðum hérlendis. Blendingur hennar og burstavalurtar er nefndur S. × uplandicum

Tilvísanir

[breyta | breyta frumkóða]
  1. Akureyrarbær. „Garðaflóra“. Lystigarður Akureyrar. Sótt 1. apríl 2024.
  2. „Symphytum officinale L. | COL“. www.catalogueoflife.org. Sótt 1. apríl 2024.
  3. „Assessment report on Symphytum officinale L., radix“ (PDF). European Medicines Agency. 5. maí 2015. Sótt 16. janúar 2019.
  4. „FDA Advises Dietary Supplement Manufacturers to Remove Comfrey Products From the Market“. US Food and Drug Administration. 6. júlí 2001. Afrit af upprunalegu geymt þann 14 nóvember 2017. Sótt 16. janúar 2019.
  5. „Which flowers are the best source of nectar?“. Conservation Grade. 15. október 2014. Afrit af upprunalegu geymt þann 14. desember 2019. Sótt 18. október 2017.
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Valurt
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