Difference between revisions of "Amaranthus tricolor"
Sp. Pl. 2: 989. 1753.
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|common_names=Joseph’s coat;summer poinsettia | |common_names=Joseph’s coat;summer poinsettia | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual, glabrous. <b>Stems</b> erect, often branched, 0.8–1.5 m. <b>Leaves</b>: petiole 1/2 as long as blade; blade ovate, elliptic, rhombic, or lanceolate, mostly 4–12 × 1.4–6 cm, base tapering, margins entire, usually undulate, apex acuminate and short-mucronate; distal leaf blades green, red, scarlet, maroon, purple, yellow, and cream (unique to A. tricolor). <b>Inflorescences</b> axillary glomerules. <b>Bracts</b> of pistillate flowers ovate to lanceolate, 5–6 mm. <b>Pistillate</b> flowers: tepals 3, narrowly ovate to lanceolate, 5–6 mm, apex aristate; style branches spreading; stigmas 2–3. <b>Staminate</b> flowers intermixed with pistillate; tepals 3; stamens 3. <b>Utricles</b> ovoid, 2–2.5 mm, rugose, dehiscence regularly circumscissile. <b>Seeds</b> black or brownish black, subglobose, 1 mm diam., shiny.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual, glabrous. <b>Stems</b> erect, often branched, 0.8–1.5 m. <b>Leaves</b>: petiole 1/2 as long as blade; blade ovate, elliptic, rhombic, or lanceolate, mostly 4–12 × 1.4–6 cm, base tapering, margins entire, usually undulate, apex acuminate and short-mucronate; distal leaf blades green, red, scarlet, maroon, purple, yellow, and cream (unique to <i>A. tricolor</i>). <b>Inflorescences</b> axillary glomerules. <b>Bracts</b> of pistillate flowers ovate to lanceolate, 5–6 mm. <b>Pistillate</b> flowers: tepals 3, narrowly ovate to lanceolate, 5–6 mm, apex aristate; style branches spreading; stigmas 2–3. <b>Staminate</b> flowers intermixed with pistillate; tepals 3; stamens 3. <b>Utricles</b> ovoid, 2–2.5 mm, rugose, dehiscence regularly circumscissile. <b>Seeds</b> black or brownish black, subglobose, 1 mm diam., shiny.</span><!-- |
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|habitat=Locally escaped from cultivation, disturbed areas | |habitat=Locally escaped from cultivation, disturbed areas | ||
|distribution=La.;Mich.;Mo.;native in tropical Asia. | |distribution=La.;Mich.;Mo.;native in tropical Asia. | ||
| − | |discussion=<p>Amaranthus tricolor is widely cultivated as a garden plant for its showy, often variegated, distal leaves of striking colors—red, scarlet, maroon, purple, yellow, cream, and green. Other cultivated varieties with green leaves are sometimes cultivated as a potherb. Escaped plants sometimes occur near places of cultivation; we have no evidence of widespread establishment.</p> | + | |introduced=true |
| + | |discussion=<p><i>Amaranthus tricolor</i> is widely cultivated as a garden plant for its showy, often variegated, distal leaves of striking colors—red, scarlet, maroon, purple, yellow, cream, and green. Other cultivated varieties with green leaves are sometimes cultivated as a potherb. Escaped plants sometimes occur near places of cultivation; we have no evidence of widespread establishment.</p> | ||
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Amaranthus tricolor | name=Amaranthus tricolor | ||
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|authority=Linnaeus | |authority=Linnaeus | ||
|rank=species | |rank=species | ||
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|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
|publication year=1753 | |publication year=1753 | ||
| − | |special status= | + | |special status=Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_848.xml |
|genus=Amaranthus | |genus=Amaranthus | ||
|subgenus=Amaranthus subg. Albersia | |subgenus=Amaranthus subg. Albersia | ||
Latest revision as of 22:01, 5 November 2020
Plants annual, glabrous. Stems erect, often branched, 0.8–1.5 m. Leaves: petiole 1/2 as long as blade; blade ovate, elliptic, rhombic, or lanceolate, mostly 4–12 × 1.4–6 cm, base tapering, margins entire, usually undulate, apex acuminate and short-mucronate; distal leaf blades green, red, scarlet, maroon, purple, yellow, and cream (unique to A. tricolor). Inflorescences axillary glomerules. Bracts of pistillate flowers ovate to lanceolate, 5–6 mm. Pistillate flowers: tepals 3, narrowly ovate to lanceolate, 5–6 mm, apex aristate; style branches spreading; stigmas 2–3. Staminate flowers intermixed with pistillate; tepals 3; stamens 3. Utricles ovoid, 2–2.5 mm, rugose, dehiscence regularly circumscissile. Seeds black or brownish black, subglobose, 1 mm diam., shiny.
Phenology: Flowering summer–fall.
Habitat: Locally escaped from cultivation, disturbed areas
Distribution
Introduced; La., Mich., Mo., native in tropical Asia.
Discussion
Amaranthus tricolor is widely cultivated as a garden plant for its showy, often variegated, distal leaves of striking colors—red, scarlet, maroon, purple, yellow, cream, and green. Other cultivated varieties with green leaves are sometimes cultivated as a potherb. Escaped plants sometimes occur near places of cultivation; we have no evidence of widespread establishment.
Selected References
None.