Overview

Comprehensive Description

Description

Annual or perennial (often marshy or aquatic) herbs, suffrutices, shrubs or trees. Stipules 0 or 2-10 or more, small, subulate, axillary. Leaves simple, entire, opposite and decussate, sometimes whorled. Flowers bisexual, actinomorphic or rarely zygomorphic (Cuphea), (3-)4-5(6-16)-merous, monomorphic or often dimorphic or trimorphic. Inflorescences various; pedicels usually with bracteoles. Calyx persistent. Petals 0 or as many as calyx lobes. Stamens variable in number, sometimes unequal. Ovary 2-6-locular. Fruit usually a capsule.
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Distribution

Localities documented in Tropicos sources

Lythraceae J. St.-Hil.:
Colombia (South America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
  • Idárraga-Piedrahita, A., R. D. C. Ortiz, R. Callejas Posada & M. Merello. 2011. Flora de Antioquia. Catálogo de las Plantas Vasculares, vol. 2. Listado de las Plantas Vasculares del Departamento de Antioquia. Pp. 1-939.   http://www.tropicos.org/Reference/100008595 External link.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

Source: Missouri Botanical Garden

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:262Public Records:133
Specimens with Sequences:197Public Species:22
Specimens with Barcodes:185Public BINs:0
Species:43         
Species With Barcodes:33         
          
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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Lythraceae Jorge139

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 3
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Lythraceae

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Wikipedia

Tetrataxis

Tetrataxis is a genus of plant in family Lythraceae. It contains the following species (but this list may be incomplete):


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Lythraceae

The Lythraceae are a family of flowering plants, including about 620 species of mostly herbs, with some shrubs and trees, in 31 genera.[2] Major genera include Cuphea (275 spp.), Lagerstroemia (56), Nesaea (50), Rotala (45), and Lythrum (35).[3] Lythraceae have a worldwide distribution, with most species in the tropics, but ranging into temperate climate regions, as well.

The family is named after the type genus, Lythrum, the loosestrifes (e.g. Lythrum salicaria purple loosestrife) and also includes henna (Lawsonia inermis). It now includes the pomegranate, formerly classed in a separate family Punicaceae. The family also includes the widely cultivated crape myrtle trees. Botanically, the leaves are usually in pairs (opposite), and the flower petals emerge from the rim of the calyx tube. The petals often appear crumpled.

Characteristics[edit]

The Lythraceae are most often herbs, and less often shrubs or trees; the shrubs and trees often have flaky bark.[4] Traits shared by species within the Lythraceae that distinguish them from belonging to other plant families are the petals being crumpled in the bud and the many-layered outer integument of the seed.[3]

Leaves[edit]

The leaves generally have an opposite arrangement, but sometimes are whorled or alternate. They are simple with smooth margins and pinnate venation.[3] Stipules are typically reduced, appearing as a row of minute hairs,[3] or absent.[4]

Flowers[edit]

The flowers are bisexual, radially or occasionally bilaterally symmetric, with a well-developed hypanthium. The flowers are most commonly four-merous but can be six-merous, with four to eight sepals and petals. The sepals may be distinct, partially fused to form a tube, or touching without overlapping. The petals are crumpled in the bud and wrinkled at maturity, and are typically distinct and overlapping; they are occasionally absent.[3] There are usually twice as many stamens as petals, arranged in two whorls, and the stamens are often unequal in length. Occasionally, the stamens are reduced to one whorl, or are more numerous with multiple whorls.[2] The ovary is typically superior, infrequently semi-inferior,[5] or rarely inferior. The two to many carpels can be fused together (syncarpous), with two to numerous ovules in each locule, with axile placentation of the ovules.[3]

Heterostyly – the presence of two (distylous) or three (tristylous) distinct flower morphs within a species differing in the lengths of the pistil and stamens – is common within the Lythraceae.[3]

Gallery[edit]

Genera[edit]

Lythraceae has 31 genera in five subfamilies:

References[edit]

  1. ^ Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III" (PDF). Botanical Journal of the Linnean Society 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. Retrieved 2013-07-06. 
  2. ^ a b Stevens, P.F. (2001 onwards). "Angiosperm Phylogeny Website". Retrieved 15 February 2011. 
  3. ^ a b c d e f g Judd, Walter S.; Christopher S. Campbell, Elizabeth A. Kellogg, Peter F. Stevens, & Michael J. Donoghue (2008). Plant Systematics: A Phylogenetic Approach (3rd ed.). Sunderland, MA: Sinauer Associates. pp. 412–414. ISBN 978-0-87893-407-2. 
  4. ^ a b Mabberley, David J. (2008). Mabberley's Plant Book: A portable dictionary of plants, their classification and uses (3rd ed.). Cambridge: Cambridge University Press. p. 508. ISBN 978-0-521-82071-4. 
  5. ^ Graham, Shirley; Cavalcanti, Taciana B. "Neotropical Lythraceae". Royal Botanic Gardens, Kew. Retrieved 28 March 2011. 
  6. ^ a b c Graham, S. A., R.F. Thorne, & J.L. Reveal (1998). "Validation of subfamily names in Lythraceae.". Taxon 47 (2): 435–436. doi:10.2307/1223775. JSTOR 1223775. 

Further reading[edit]

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