Difference between revisions of "Commelina benghalensis"
Sp. Pl. 1: 41. 1753.
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|place=1: 41. 1753 | |place=1: 41. 1753 | ||
|year=1753 | |year=1753 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=W | ||
| + | |label=Weedy | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|habitat=Citrus plantations, fields, yards, and other cultivated and disturbed sites | |habitat=Citrus plantations, fields, yards, and other cultivated and disturbed sites | ||
|distribution=Calif.;Fla.;Ga.;La.;neotropics;native;paleotropics. | |distribution=Calif.;Fla.;Ga.;La.;neotropics;native;paleotropics. | ||
| + | |introduced=true | ||
|discussion=<p><i>Commelina benghalensis</i> was first recognized and collected in California in 1980. The California plants are approximately hexaploid and represent a separate and much later introduction than the southeastern plants. The species is federally listed as an Obnoxious Weed.</p> | |discussion=<p><i>Commelina benghalensis</i> was first recognized and collected in California in 1980. The California plants are approximately hexaploid and represent a separate and much later introduction than the southeastern plants. The species is federally listed as an Obnoxious Weed.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Commelina benghalensis | name=Commelina benghalensis | ||
| − | |||
|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=Weedy;Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_292.xml |
|genus=Commelina | |genus=Commelina | ||
|species=Commelina benghalensis | |species=Commelina benghalensis | ||
Latest revision as of 20:30, 5 November 2020
Herbs, annual. Roots thin, rhizomes short, subterranean, bearing cleistogamous flowers produced from base of plant. Stems ascending to decumbent or occasionally scrambling. Leaves: leaf sheaths, not auriculate, often with red hairs at summit; blade ovate to lanceolate-elliptic, (1–)2–9(–11) × 1–3(–4.5) cm, apex rounded, obtuse or acute, pubescent. Inflorescences: distal cyme often exserted and 1-flowered, sometimes vestigial; spathes often clustered, subsessile (peduncles 1–3.5 mm), funnelform, 0.5–1.5(–2) cm, margins connate basally, pubescent. Flowers: chasmogamous flowers bisexual and staminate, subterranean cleistogamous flowers bisexual; petals of staminate flowers all blue (rarely lilac), proximal smaller; lateral stamen filaments not winged; staminodes 2–3; antherodes yellow, cruciform; pollen white; medial stamen pollen yellow. Capsules 3-locular, 2-valved, 4–6 mm. Seeds 5, brown or blackish, seeds of adaxial locule 1.7–2.5 mm, shallowly reticulate, farinose. 2n = 22.
Phenology: Flowering spring–fall.
Habitat: Citrus plantations, fields, yards, and other cultivated and disturbed sites
Distribution
Introduced; Calif., Fla., Ga., La., neotropics, native, paleotropics.
Discussion
Commelina benghalensis was first recognized and collected in California in 1980. The California plants are approximately hexaploid and represent a separate and much later introduction than the southeastern plants. The species is federally listed as an Obnoxious Weed.
Selected References
None.