The available descriptions indicate leaves 8-12cm long by 5-7mni broad, glaucous, much shorter than the stem. Pedicel 5-15mm long. Flowers solitary, horizontal or ascending (or slightly drooping?) deep yellow, tube 1.6-2.2cm, narrowly obconical, tepals 2-3cm long, narrow, not twisted, shorter than corona, the latter obconical, not expanded at the margin, incised-crenulate, spring. This apparently distinctive plant is not reliably known in cultivation and little known in the wild but is said to have a wide distribution from north-western Portugal across northwestern and central Spain.