Difference between revisions of "Allium triquetrum"
Sp. Pl. 1: 300. 1753.
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|place=1: 300. 1753 | |place=1: 300. 1753 | ||
|year=1753 | |year=1753 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|elevation=0–100 m | |elevation=0–100 m | ||
|distribution=Calif.;sw Europe. | |distribution=Calif.;sw Europe. | ||
| + | |introduced=true | ||
|discussion=<p><i>Allium triquetrum</i> is a garden escape, introduced from southwestern Europe, and is potentially a noxious weed.</p> | |discussion=<p><i>Allium triquetrum</i> is a garden escape, introduced from southwestern Europe, and is potentially a noxious weed.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Allium triquetrum | name=Allium triquetrum | ||
| − | |||
|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/V26/V26_472.xml |
|genus=Allium | |genus=Allium | ||
|species=Allium triquetrum | |species=Allium triquetrum | ||
Latest revision as of 22:15, 5 November 2020
Bulbs 5–20+, not clustered on stout primary rhizome, rhizomes absent, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, ovoid, 1–2 × 1–2 cm; outer coats enclosing renewal bulbs, ± translucent, yellow-brown, obscurely cellular-reticulate, thin, membranous, meshes delicate, cells vertically elongate, contorted, without fibers; inner coats white, cells obscure, quadrate, or not visible. Leaves persistent, green at anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, not falcate, ± carinate, 15–50 cm × 3–15 mm, margins entire. Scape persistent, clustered, 1–4, erect, solid, sharply 3-angled, 10–40 cm × 1–10 mm. Umbel persistent, lax, loose, 3–15-flowered, ± 1-sided, bulbils unknown; spathe bracts persistent, 1–2, 3-veined, narrowly lanceolate, ± equal, apex acute. Flowers becoming pendent, campanulate, 10–18 mm; tepals erect to spreading, white with prominent green midrib, lanceolate, ± equal, becoming membranous in fruit, margins entire, apex acute; stamens included; anthers yellow; pollen yellow; ovary crestless; style linear, ± equaling stamens; stigma capitate, scarcely thickened, unlobed; pedicel 15–25 mm. Seeds appendaged with evident caruncle. Seed coat dull; cells minutely roughened. 2n = 18.
Phenology: Flowering Mar–Apr.
Habitat: Disturbed sites
Elevation: 0–100 m
Distribution
Introduced; Calif., sw Europe.
Discussion
Allium triquetrum is a garden escape, introduced from southwestern Europe, and is potentially a noxious weed.
Selected References
None.