Neottia nidus-avis (L.) Rich. - Orchidaceae - bird's-nest orchid, Vogel-Nestwurz

Non-photosynthetic perennial herbaceous rhizome plant, 20-45cm; whole plant yellow-brown; stem upright stem; cataphylls 4-6, pressed against the stem; inflorescense a short pedicel; flowers smell like honey.
Mycoterotroph: the plant receives organic matter from its associated fungi.
https://iopscience.iop.org/article/10.1088/1755-1315/392/1/012004/pdf
https://en.wikipedia.org/wiki/Neottia_nidus-avis

„The rhizome of Neottia nidus-avis sends out numerous roots in a tangled ball which looks like a bird’s nest.“
[Martínez, Agustín Coronado, and Eduardo Soto Pérez. „Orchids of Central Spain“, Martínez, Agustín Coronado, and Eduardo Soto Pérez, 2019]

neottia_nidusavis.jpg
Lindman, C.A.M., Bilder ur Nordens Flora, vol.2 t.412 (1922-1926)
http://botanicalillustrations.org/species.php?id_species=696841

www.botanische-spaziergaenge.at_bilder_konica_1_pict7436.jpg
Neottia nidus-avis / 19. Leopoldsberg; Bergrücken nördl. Höhenstraße © Rolf Marschner (2005) www.botanische-spaziergaenge.at