Kingdom:
Phylum:
Angiosperms
Order:
Apiales
Family:
Genus:
Species:
carsonii
ID:
1068654

Status:
valid

Authors:
Durand ex A.Gray

Source:
tro

Year:
1867

Citation Micro:
Manual , ed. 5: 196 (1867)

WFO Identifier:
wfo-0001067992



Common Names

  • Carson's Sium
  • Carson's Sium Plant
  • Sium carsonii


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Description

Sium carsonii (also called Carson's water-parsnip, among many other common names) is a perennial herbaceous plant native to the western United States. It has a single stem that grows up to 1.5 m tall, with alternate, compound leaves. The flowers are small and white and are clustered in umbels. It grows in moist habitats such as swamps, marshes, and wet meadows.

Uses & Benefits

Sium carsonii is a medicinal herb that has been used for centuries to treat a variety of ailments. It is believed to have anti-inflammatory, antispasmodic, and analgesic properties. It can also be used to make tea and as a flavoring in cooking.

Flower, Seeds and Seedlings

The flower of Sium carsonii is white and has five petals. The seed is small and oval-shaped. The seedling has a single, long, narrow leaf.

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Cultivation and Propagation

Sium carsonii can be propagated by seed or division. The seeds should be sown in spring or autumn in a cold frame and the seedlings should be potted up into individual pots when they are large enough to handle. Division can be done in early spring or autumn. Larger clumps can be divided using two forks to ease them apart. The plants can be planted out into their permanent positions in late spring or early summer, after the last expected frosts.

Where to Find Sium carsonii

Sium carsonii can be found in the western United States and Canada, from British Columbia to California and east to Montana and Wyoming.

Species in the Apiaceae family

Aciphylla anomala, Aciphylla aurea, Aciphylla cartilaginea, Aciphylla colensoi, Aciphylla congesta, Aciphylla crenulata, Aciphylla crosby-smithii, Aciphylla cuthbertiana, Aciphylla dieffenbachii, Aciphylla dissecta, Aciphylla divisa, Aciphylla dobsonii, Aciphylla ferox, Aciphylla flexuosa, Aciphylla glacialis, Aciphylla glaucescens, Aciphylla gracilis, Aciphylla hectori, Aciphylla hookeri, Aciphylla horrida, Aciphylla indurata, Aciphylla inermis, Aciphylla kirkii, Aciphylla latibracteata, Aciphylla lecomtei, Aciphylla leighii, Aciphylla lyallii, Aciphylla monroi, Aciphylla montana, Aciphylla multisecta, Aciphylla pinnatifida, Aciphylla polita, Aciphylla poppelwellii, Aciphylla scott-thomsonii, Aciphylla similis, Aciphylla simplex, Aciphylla simplicifolia, Aciphylla spedeni, Aciphylla squarrosa, Aciphylla stannensis, Aciphylla subflabellata, Aciphylla takahea, Aciphylla traillii, Aciphylla traversii, Aciphylla trifoliolata, Aciphylla verticillata, Acronema alpinum, Acronema astrantiifolium, Acronema brevipedicellatum, Acronema bryophilum,

References

The Plant List v1.1 record tro-1701024: Based on the initial data import
Asa Gray (1810-1888): Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
Elias Durand (1794-1873): Based on occurrence of standard abbreviation 'Durand' in the authors string.