Alyssum montanum is a species of flowering plant belonging to the family Brassicaceae.[2] It is an evergreen, prostrate perennial with small, hairy, greyish leaves.[3] It typically grows to 10-15 centimeters tall and 30-45 centimeters across.[4] It produces tiny, yellow, fragrant flowers from May to July.[5] These flowers are typically 4-6 centimeters across and borne in dense racemes.[6]

Alyssum montanum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Brassicales
Family:	Brassicaceae
Genus:	Alyssum
Species:	A. montanum
Binomial name
Alyssum montanum L.
Synonyms[1]
Ayseton bertolinii Sweet Ayseton diffusum Sweet Alyssum albescens Schltdl. ex DC. Alyssum alpinum Scop Alyssum arenarium C.Presl Alyssum beugesiacum Jord. & Fourr. Alyssum berevifolium Jord. & Fourr. Alyssum campestre Marz.-Penc. ex Pollini Alyssum collicolum Rouy & Foucaud Alyssum collinum Jord. & Fourr. Alyssum erigens Jord. & Fourr. Alyssum flexicaule Jord. Alyssum olympicum Halacsy Alyssum petrophilum Heldr. ex Nyman Alyssum porphyreticum Jord. & Fourr. Alyssum psammeum Jord. & Fourr. Alyssum rhodanense Jord. & Fourr. Alyssum rochelii Andrz. ex Rchb. Alyssum rostratum Wierzb. ex Nyman Alyssum samborense Kuann Alyssum spruneri Jord. & Fourr. Alyssum styriacum Jord. & Fourr. Alyssum thessalum Halacsy Alyssum vernale Kit. ex Hornem. Alyssum vourinonense Dudley & Rech.f. Alyssum xerophilum Jord. & Fourr. Anodontea arenaria (C.Presl) G.Don Clypeola montana Crantz Crucifera alyssum E.H.L.Krause

It is native to France, Switzerland, and Germany.[2] It grows best in full sun with good drainage, and is drought tolerant once established.[4] It's suitable for USDA hardiness zones 3–9, but may be susceptible to aphids and root rot.[7]

Subspecies:

• Alyssum montanum subsp. gmelinii (Jord. & Fourr.) Hegi & E.Schmid (synonym: Alyssum gmelinii Jord.)[8]

References

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[es] Alyssum montanum