Adiantum capillus-veneris

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Adiantum capillus-veneris
File:Adiantum capillus-veneris (USDA).jpg

Secure (NatureServe)
Scientific classification
Kingdom:
Plantae
Division:
Pteridophyta
Class:
Pteridopsida
Order:
Polypodiales[1]
Family:
Pteridaceae[1]
Subfamily:
Vittarioideae[1]
Genus:
Adiantum
Species:
A. capillus-veneris
Binomial name
Adiantum capillus-veneris

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Adiantum capillus-veneris, the Southern maidenhair fern', black maidenhair fern, maidenhair fern,[2] and venus hair fern, is a species of ferns in the genus Adiantum with a subcosmopolitan worldwide distribution. It is cultivated as a popular garden fern and houseplant.[3]

Distribution

Adiantum capillus-veneris is native to the southern half of the United States from California to the Atlantic coast, through Mexico and Central America, to South America. It is also native to Eurasia, the Levant in Western Asia, and Australasia.[3][4][5] There are two disjunct occurrences in the northern part of North America: at Cascade Springs in the Black Hills of South Dakota and Fairmont Hot Springs, British Columbia. In both instances, the warm microclimate created by hot mineral springs permits the growth of the plant far north of its normal range.

It is found in temperate climates from warm-temperate to tropical, where the moisture content is high but not saturating, in the moist, well-drained sand, loam or limestone many habitats, including rainforests, shrub and woodlands, broadleaf and coniferous forests, and desert cliff seeps, and springs. It often may be seen growing on moist, sheltered and shaded sandstone or limestone formations, generally south-facing in the southern hemisphere, north-facing in the north, or in gorges.[3] It occurs throughout Africa in moist places by streams.[6] On moist sandstone cliffs it grows in full or partial shade, even when unprotected.[7]

File:Capelvenere03(Parco dei Nebrodi).JPG
Adiantum capillus-veneris foliage texture.
File:Adiantum01 ST 06.JPG
In limestone cliff seep habitat, Judean Desert of Israel and Palestine.

Description

Adiantum capillus-veneris grows from 6 to 12 in (15 to 30 cm) in height; its fronds arising in clusters from creeping rhizomes 8 to 27.5 in (20 to 70 cm) tall, with very delicate, light green fronds much subdivided into pinnae 0.2 to 0.4 in (5 to 10 mm) long and broad; the frond rachis is black and wiry.[3][5]

Cultivation

Adiantum capillus-veneris is cultivated and widely available around the world for planting in natural landscape native plants and traditional shade gardens, for outdoor container gardens, and commonly as an indoor houseplant.

Conservation

The fern is listed as an endangered species in North Carolina (as southern maidenhair-fern) and threatened species in Kentucky (as venus hair fern), due to loss of Appalachian habitat.

Uses

This plant is used medicinally by Native Americans. The Mahuna people use the plant internally for rheumatism,[8] and the Navajo people of Kayenta, AZ use an infusion of the plant as a lotion for bumblebee and centipede stings.[9] The Navajo people also smoke it or take it internally to treat mental illness.[9]

References

  1. ↑ 1.0 1.1 1.2 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ 3.0 3.1 3.2 3.3 Wildflower.org-NPIN: Adiantum capillus-veneris (Southern maidenhair fern) . accessed 4.04.2011
  4. ↑ The University of the West Indies, Cave Hill
  5. ↑ 5.0 5.1 Cundall. P., (2004) Native Plants:The definitive guide to Australian plants, Global Book Publishing Lane Cove, N.S.W, p.298, ISBN 978-1-74048-027-7
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Romero, John Bruno 1954 The Botanical Lore of the California Indians. New York. Vantage Press, Inc. (p. 60)
  9. ↑ 9.0 9.1 Wyman, Leland C. and Stuart K. Harris 1951 The Ethnobotany of the Kayenta Navaho. Albuquerque. The University of New Mexico Press (p. 14)

External links

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