Lotus glaucus is a species of flowering plant in the family Fabaceae, native to Madeira and the Salvage Islands.

Lotus tenellus is included in a more broadly circumscribed L. glaucus by some authors, which extends its distribution to the Canary Islands.

[2] Lotus glaucus is a perennial herbaceous plant, usually forming dense mats, but sometimes somewhat shrubby.

[3] The title page gives the author of the work as William Aiton,[4] although it is generally agreed that the descriptions were written by Daniel Solander or Jonas Carlsson Dryander.

[7] However, the International Code of Nomenclature for algae, fungi, and plants, at Article 46.8, Example 37, explicitly states that the names in this edition of Hortus Kewensis are to be attributed to Aiton.

When L. tenellus is included in L. glaucus, its distribution is extended to the coastal zone of Tenerife and Gran Canaria.