Alyssum montanum

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
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
  1. "Alyssum montanum L.". The Plant List. Retrieved 28 April 2021.
  2. "Alyssum montanum L. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 25 January 2021.
  3. "Alyssum montanum | mountain madwort/RHS Gardening". www.rhs.org.uk. Retrieved 2021-04-27.
  4. "Plant Profile for Alyssum montanum Mountain Gold - Mountain Gold Alyssum Perennial". www.perennials.com. Retrieved 2021-04-28.
  5. "Alyssum montanum - Beth Chatto's Plants & Gardens". www.bethchatto.co.uk. Retrieved 2021-04-28.
  6. "Home". Alpine Garden Society. Retrieved 2021-04-28.
  7. "StackPath". www.gardeningknowhow.com. Retrieved 2021-04-28.
  8. "Alyssum gmelinii Jord". www.worldfloraonline.org. Retrieved 10 February 2021.
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