Sedum

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Sedum
Biting stonecrop, Sedum acre
Biting stonecrop, Sedum acre
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Saxifragales
Family: Crassulaceae
Genus: Sedum
L.
Species

Many, see text & Wikispecies for more.
Sedum acre
Sedum acre
Sedum caeruleum
Sedum caeruleum
Sedum dendroideum
Sedum dendroideum
Sedum glaucophyllum
Sedum glaucophyllum
Sedum hybridum?
Sedum hybridum?
Sedum ochroleucum
Sedum ochroleucum
Sedum reflexum
Sedum reflexum
Sedum spathulifolium
Sedum spathulifolium
Sedum stenopetalum
Sedum stenopetalum

Sedum is the large stonecrop genus of the Crassulaceae, representing about 400 species of leaf succulents, found throughout the northern hemisphere, varying from annual groundcovers to shrubs. The plants have water-storing leaves and a typical form of blossom with five petals, seldom four or six. There are typically twice as many stamens as petals.

Well known European Sedums are Sedum acre, Sedum album, Sedum dasyphyllum, Sedum reflexum (also known as Sedum rupestre) and Sedum hispanicum.

Many sedums are extensively cultivated as garden plants, due to their interesting and attractive appearance and hardiness. The various species differ in their requirements; some are cold-hardy but do not tolerate heat, some require heat but do not tolerate cold. They are preferred to grass for green roofs, popular in Germany and some other countries.

Sedum species are used as food plants by the larvae of some Lepidoptera species including Grey Chi. In particular, Sedum spathifolium is the host plant of the endangered San Bruno elfin butterfly of San Mateo County, California.

Contents

Sedum reflexum, known as "prickmadam", "stone orpine" or "crooked yellow stonecrop", is occasionally used as a salad leaf or herb in Europe (incl. the United Kingdom) [1]. It has a slightly astringent sour taste

Sedum acre ("biting stonecrop") on the other hand contains high quantities of piperidine alkaloids (namely (+)-sedridine, (-)-sedamine, sedinone und isopelletierine) which give it a sharp, peppery and acrid taste and make it somewhat toxic. Depending on the amount consumed, irritations of the mucous membranes, cramps and paralysis, including respiratory paralysis may ensue. In ancient Greece, biting stonecrop was used to treat epilepsy and skin diseases, as well as to cause abortions.

Sedum can be used to provide a roof covering in "Green Roofs" or green roofs.

Hylotelephium telephium ssp. maximum, formerly placed in Sedum
Hylotelephium telephium ssp. maximum, formerly placed in Sedum

Now in Dudleya:

Now in Hylotelephium:

Now in Rhodiola:

Wikimedia Commons has media related to:
Wikispecies has information related to:
Retrieved from "http://en.wikipedia.org/wiki/Sedum#Edibility_and_toxicity"
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