Medeola

Medeola virginiana, known as Indian cucumber[2][4] or Indian cucumber-root,[5][6][7] is an eastern North American plant species in the lily family, Liliaceae.[2] It is the only currently recognized plant species in the genus Medeola.[8] It grows in the understory of forests. The plant bears edible rhizomes that have a mild cucumber-like flavor.

Medeola
Flowering

Secure  (NatureServe)[1]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Liliales
Family: Liliaceae
Subfamily: Lilioideae
Tribe: Medeoleae
Genus: Medeola
L.
Species:
M. virginiana
Binomial name
Medeola virginiana
USDA distribution map[2]
Synonyms[3]
  • Gyromia acuminata Raf.
  • Gyromia cuneata Raf.
  • Gyromia virginica (Christm.) Nutt.
  • Gyromia virginica var. picta Nutt.
  • Medeola verticillifolia Stokes
  • Medeola virginica Christm.

Description

Medeola virginiana shoots consist of two tiers of whorled leaves. The lower tier typically bears between five and nine (occasionally up to 12) lance shaped leaves. The upper tier bears three to five ovate leaves. The leaves have an entire (smooth) margin. Some individuals lack a second tier of whorled leaves. The second tier is produced when the plant flowers. When two-tiered, plants grow to 30 in (76 cm) high. The flowers have yellowish green tepals and appear in late spring. The fruit is a dark blue to purple, inedible berry above the top tier of leaves.[8][9][10] Indian cucumber-root shoots arise each spring from an overwintering tuberlike structure. This structure produces a series of horizontal rhizomes at 45 degree angles which produces a clonal colony of plants in an octagonal pattern.[11]

  • Two tiers of whorled leaves
  • Flowering
  • Fruiting

Taxonomy and systematics

The genus Medeola was formerly associated with the lilioid genera Trillium and Paris, which are now placed in the tribe Paridae of the family Melanthiaceae in the order Liliales. Armen Takhtajan separated Medeola from Trillium and Paris, and placed it in its own family, Medeolaceae, which he erected in 1987,[8] based on a description that had been published in 1879 by Sereno Watson. The genera Medeola and Clintonia now constitute the tribe Medeoleae of the subfamily Lilioideae in the family Liliaceae, as narrowly defined in the APG IV system. Molecular, morphological, embryological, and cytological evidence supports a sister relationship between Medeola and Clintonia. The Flora of North America includes both of these in the family Liliaceae.

Some species of Asparagus were formerly placed in the genus Medeola, including:[3]

Distribution and habitat

Medeola virginiana is found from Ontario to Nova Scotia, south to Florida, and Louisiana.[3] It grows in rich, moist forests, thickets, and woodlands.[8][12]

It is listed as an endangered plant in Florida and in Illinois.[2]

Uses

This plant produces a crisp, edible tuber that smells and tastes like garden cucumber;[13] it can be washed and eaten raw or cooked.[14] Iroquois used the plant as an anticonvulsant and pediatric aid.[15]

References
  1. "Medeola virginiana". NatureServe Explorer. NatureServe. Retrieved 14 November 2019.
  2. Medeola virginiana at United States Department of Agriculture plants profile
  3. Kew World Checklist of Selected Plant Families
  4. "Medeola virginiana". Integrated Taxonomic Information System.
  5. Weakley, Alan S. (2018), Flora of the Southern and Mid-Atlantic States, working draft of 20 August 2018, University of North Carolina Herbarium, North Carolina Botanical Garden, University of North Carolina at Chapel Hill
  6. Medeola virginiana at Connecticut Botanical Society
  7. Brouillet L, Desmet P, Coursol F, Meades SJ, Favreau M, Anions M, Bélisle P, Gendreau C, Shorthouse D, and contributors (2010+). "Medeola virginiana Linnaeus". data.canadensys.net. Database of Vascular Plants of Canada (VASCAN). Retrieved 20 September 2020.CS1 maint: uses authors parameter (link)
  8. Utech, Frederick H. (2002). "Medeola". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 26. New York and Oxford. Retrieved 23 October 2019 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  9. Linnaeus, Carl von. 1753. Species Plantarum 1: 339.
  10. Gleason, H. A. & A.J. Cronquist. 1991. Manual of the Vascular Plants of Northeastern United States and Adjacent Canada (ed. 2) i–910. New York Botanical Garden, Bronx.
  11. Cook, Robert (1988). "Growth in Medeola Virginiana Clones: I. Field Observations". American Journal of Botany. 75 (5): 725–31. doi:10.2307/2444204. JSTOR 2444204. PMID 30139089.
  12. Wildflowers of the Southeastern U.S., Indian Cucumber (Medeola virginiana)
  13. A Field Guide to Edible Wild Plants of Eastern and Central North America by Lee Peterson, Roger Tory Peterson
  14. Elias, Thomas S.; Dykeman, Peter A. (2009) [1982]. Edible Wild Plants: A North American Field Guide to Over 200 Natural Foods. New York: Sterling. p. 136. ISBN 978-1-4027-6715-9. OCLC 244766414.
  15. Moerman, Daniel (1986). Medicinal Plants of Native America. University of Michigan Museum of Anthropology.
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