Kingdom:
Phylum:
Angiosperms
Order:
Apiales
Family:
Genus:
Species:
rigidior
ID:
1068601

Status:
valid

Authors:
(L.) Raf.

Source:
tro

Year:
1830

Citation Micro:
Bull. Bot. (Geneva) 1: 218 (1830)

WFO Identifier:
wfo-0001067939



Common Names

  • Oxypolis rigidior
  • Rigid Cowbane
  • Rigid Water Hemlock


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Description

Oxypolis rigidior (also called Rigid Cowbane, among many other common names) is an herbaceous perennial with white flowers and lance-shaped leaves. It is native to eastern North America and is found in moist woods, meadows, and along streams.

Uses & Benefits

Oxypolis rigidior is an ornamental plant, often used in gardens and as a houseplant. It is also used in traditional medicine to treat a variety of ailments, including headaches and stomachaches.

Cultivars, Varieties & Sub-species

Oxypolis rigidior var. longifolia (Pursh) Britton

Flower, Seeds and Seedlings

Oxypolis rigidior has small, white flowers with five petals. The seeds are small and black with a smooth surface. The seedlings are small and have a single stem with small, oval leaves.

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Cultivation and Propagation

Cultivation and propagation of Oxypolis rigidior: Oxypolis rigidior is a perennial herbaceous plant native to western North America. It grows in dry, rocky soils and prefers full sun. It can be propagated from seed or cuttings. Seeds should be sown in the spring or fall and kept moist until germination. Cuttings should be taken from the top of the plant in the spring and rooted in a moist medium. Once established, the plant is drought tolerant.

Where to Find Oxypolis rigidior

Oxypolis rigidior can be found in moist meadows, streambanks, and other wet areas in the western United States and Canada.

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-1700962: Based on the initial data import
Carl Linnaeus (1707-1778): Based on occurrence of standard abbreviation 'L.' in the authors string.
Constantine Samuel Rafinesque (1783-1840): Based on occurrence of standard abbreviation 'Raf.' in the authors string.