Portuguese onion or mountain onion
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Amaryllidaceae
Subfamily:	Allioideae
Genus:	Allium
Subgenus:	A. subg. Rhizirideum
Species:	A. lusitanicum
Binomial name
Allium lusitanicum Lam.
Synonyms[1][2]
Allium acutangulum Rchb. Allium acutangulum Ambros. Allium angulosum DC. Allium angulosum var. montanum Pohl Allium fallax Schult. & Schult.f. Allium fallax subsp. montanum (Pohl) Fr. Allium fallens Bubani Allium leptophyllum Schur Allium montanum F.W.Schmidt Allium montanum var. fallax (Schult. & Schult.f.) Nyman Allium montanum subsp. leptophyllum (Schur) Soó Allium montanum var. leptophyllum (Schur) Nyman Allium montanum subsp. lusitanicum (Lam.) Nyman Allium montanum f. subbulbiliferum Priszter Allium petraeum Genty Allium schoenoprasum subsp. lusitanicum (Lam.) K.Richt. Allium senescens Host Allium senescens subsp. lusitanicum (Lam.) Dostál Allium senescens subsp. montanum (Pohl) Holub

Allium lusitanicum is a plant species widespread over much of Europe, mostly in mountainous regions. It has been reported from every country on the continent from Portugal to Ukraine except Iceland, Ireland, the United Kingdom, Netherlands, Belgium, Luxembourg, Denmark, Finland, Albania and Greece.^[3][4]

Allium lusitanicumm is a bulb-forming perennial with thread-like leaves shorter than the stipes. Stipes are up to 20 cm tall. Tepals, anthers and styles are all a uniform shade of rose-violet.^[5]