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Bloodroot

Lachnanthes caroliniana (Lam.) Dandy

Comments

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Lachnanthes caroliniana is sometimes a serious weed in commercial cranberry bogs.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 46, 48 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description

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Stems 3–10.5 dm, distally whitish villous-tomentose when young, becoming tawny-hoary. Leaves: basal leaves 15–45 × 0.5–2.1 cm proximally, shorter distally; cauline leaves shorter than basal, decreasing in size distally, becoming bracts in inflorescence. Inflorescences initially rounded, becoming open and corymbose after anthesis, each branch resembling a helicoid cyme. Flowers: tepals erect-spreading at anthesis, pale yellow, 7–9 × 1–1.5 mm, densely pubescent abaxially, persisting and incurving to form beak around fruit; stamens spreading at anthesis; filaments 8–10 mm; anthers yellow; style persistent, slightly exceeding anthers, 10–13 mm. Capsules globose or oblate, 3–5 mm diam. Seeds reddish brown, 2.5–3 mm diam., faintly wrinkled. 2n = 48.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 46, 48 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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Distribution

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N.S.; Ala., Conn., Del., Fla., Ga., La., Md., Mass., Miss., N.J., N.Y., N.C., R.I., S.C., Tenn., Va.; West Indies (Cuba).
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 46, 48 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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Flowering/Fruiting

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Flowering mid--late summer.
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copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 46, 48 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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Habitat

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Wet, acid, often sandy soil of bogs, swamps, ditches, low areas in savannas and pinelands, margins of hammocks and pocosins; 0--600m.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 46, 48 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
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Synonym

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Dilatris caroliniana Lamarck in J. Lamarck and J. Poiret, Tabl. Encycl. 1: 127. 1791 (as caroliana); Heritiera tinctorum J. F. Gmelin; Lachnanthes tinctoria (J. F. Gmelin) Elliott
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 26: 46, 48 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
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eFloras

Lachnanthes

provided by wikipedia EN

Lachnanthes is a genus of monocotyledonous plants in the bloodwort family containing only one species, i.e., Lachnanthes caroliniana,[3] commonly known as Carolina redroot or bloodroot.[4] The plant is native to eastern North America, from southeastern Nova Scotia (especially the Molega Lake area)[5] and Massachusetts in the north, south to Florida and Cuba, and west along the Gulf of Mexico to Louisiana. It has also been reported from an island in the western Caribbean off the coast of Honduras.[6] It prefers wet, acidic, usually sandy soils, restricting it to various wetland habitats such as bogs, pinelands, hammocks and pocosins, among others.

The plant's common name is based on its red roots and rhizomes. Its flowers, consisting of six pale yellow tepals, emerge from mid to late summer. The plant is sometimes a significant weed in commercial cranberry bogs.[7]

Taxonomy

The generic name "Lachnanthes" is a conserved name in botany. This means that the name has been granted a special exemption to the ordinary priority rules, allowing a newer name to be used instead of an older one. Three names are relevant here:[8]

  • Heritiera Aiton, Hortus Kewensis 3: 546. 1789.
  • Heritiera J.F. Gmelin, Systema Naturae, ed. 13 2: 113. 1791.
  • Lachnanthes S. Elliott, Sketch of the Botany of South-Carolina and Georgia 1: 47. 1816.

The first is a different plant, a tropical tree. This makes the second name an illegitimate homonym, unusable. The conservation decree allows the third name to be used in place of the second to refer to the plant now called Lachnanthes caroliniana.

Phylogeny

Comparison of homologous DNA has increased the insight in the phylogenetic relationships between the genera in the Haemodoroideae subfamily. The following trees represent those insights.[9]

subfamily Haemodoroideae

Lachnanthes

Haemodorum

Dilatris

Xiphidium

Schiekia

Wachendorfia

Barberetta

References

  1. ^ Tropicos
  2. ^ The Plant List
  3. ^ Dandy, James Edgar. Journal of Botany, British and Foreign 70: 329. 1932.
  4. ^ "Encyclopedia of Life".
  5. ^ Ware, Beverley (2007), "Knox on Wood" (PDF), The Novascotian, archived from the original (PDF) on 31 March 2012, retrieved 10 April 2011
  6. ^ Kew World Checklist of Selected Plant Families
  7. ^ Robertson, Kenneth R. (2003), "Lachnanthes caroliniana", in Flora of North America Editorial Committee, eds. 1993+ (ed.), Flora of North America online, vol. 26, New York & Oxford: Oxford University Press, pp. 47–48, retrieved 2008-11-17
  8. ^ Rare and Endangered Plant Seed Bank, Missouri Botanical Garden
  9. ^ Hopper, Stephen D.; Smith, Rhian J.; Fay, Michael F.; Manning, John C.; Chase, Mark W. (2009). "Molecular phylogenetics of Haemodoraceae in the Greater Cape and Southwest Australian Floristic Regions". Molecular Phylogenetics and Evolution. 51: 19–30. doi:10.1016/j.ympev.2008.11.015.

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Lachnanthes: Brief Summary

provided by wikipedia EN

Lachnanthes is a genus of monocotyledonous plants in the bloodwort family containing only one species, i.e., Lachnanthes caroliniana, commonly known as Carolina redroot or bloodroot. The plant is native to eastern North America, from southeastern Nova Scotia (especially the Molega Lake area) and Massachusetts in the north, south to Florida and Cuba, and west along the Gulf of Mexico to Louisiana. It has also been reported from an island in the western Caribbean off the coast of Honduras. It prefers wet, acidic, usually sandy soils, restricting it to various wetland habitats such as bogs, pinelands, hammocks and pocosins, among others.

The plant's common name is based on its red roots and rhizomes. Its flowers, consisting of six pale yellow tepals, emerge from mid to late summer. The plant is sometimes a significant weed in commercial cranberry bogs.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
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wikipedia EN