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SERNEC - Southeastern USA
Allium triquetrum
L.
Family:
Amaryllidaceae
Three-Corner Leek
FNA
Resources
Dale W. McNeal Jr. & T. D. Jacobsen in Flora of North America (vol. 26)
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.
Flowering Mar--Apr. Disturbed sites; 0--100 m; introduced; Calif.; sw Europe.
Allium triquetrum is a garden escape, introduced from southwestern Europe, and is potentially a noxious weed.
Open Interactive Map
Stephanie Harvey
Click to Display
46 Total Images
This project made possible by National Science Foundation Awards
1601697
,
1600981
,
1601393
,
1600976
,
1601429
,
1601101
,
1601503
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