Butomus umbellatus L.
IUCN
NCBI
EOL Text
Flowering summer--fall.
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| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=200024717 |
Fl. Per.: May July.
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| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=200024717 |
The following is a representative barcode sequence, the centroid of all available sequences for this species.
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 9
Specimens with Barcodes: 10
Species With Barcodes: 1
Red List Criteria
Year Assessed
Assessor/s
Reviewer/s
Contributor/s
This species is classed as Least Concern as it has a widespread distribution and the majority of populations are stable and do not face any major threats.
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| Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/164438 |
Canada
Rounded National Status Rank: NNA - Not Applicable
United States
Rounded National Status Rank: NNA - Not Applicable
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| Rights holder/Author | NatureServe |
| Source | http://explorer.natureserve.org/servlet/NatureServe?searchName=Butomus+umbellatus |
Rounded Global Status Rank: G5 - Secure
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| Rights holder/Author | NatureServe |
| Source | http://explorer.natureserve.org/servlet/NatureServe?searchName=Butomus+umbellatus |
A glabrous, aquatic perennial herb with horizontal rhizomes; scapes (30-) 50-90 (rarely-150) cm long, erect; roots fibrous. Leaves all radical, usually about as long as the scapes, linear, ensiform, sheathing at the base, 6-9 mm broad. Inflorescence umbellate, cymose with an involucre of lanceolate-acuminate bracts and bracteoles; bracts 2 or 3, upto 25 mm long, 6-8 mm broad; bracteoles numerous, less than 10 mm long, 2-3 mm broad. Flowers pink, pedicellate; pedicels (3-) 5-9 cm long. Perianth segments 6. biseriate. Sepal-like segments obovate. c. 17-veined, keeled, 9-13 mm long and 6-8 mm broad; petal-like segments broadly obovate, c. 13-veined, 9-15 mm long, 8 mm broad. Stamens usually 9, rarely 5 or numerous; filaments linear, usually dilated at the base, variable in length, free, slightly connate at the base; anthers basifixed, 2-celled, ovate to oblong (linear-oblong in young flowers), 2-4 mm long. Carpels 6-9 or many, each 3-5.5 mm long, 1.5-2 mm broad, superior, free or somewhat connate basally, obovate; style simple, short, terminal, persistent; stigma ventral, curved. Ovules numerous, anatropous, minute on reticulate parietal placentas. Fruit a many-seeded, beaked follicle, obovate, 7-9 mm long, 2-3.5 mm broad. Seeds numerous, minute, 0.2-0.4 mm long, oblong with thin testa and straight embryo.
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| Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
| Source | http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=200024717 |
Population
Population Trend
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| Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/164438 |
The species occurs throughout much of the Northern Hemisphere; it is native to North Africa and Europe north to Scandinavia and east through European Russia, Siberia, the Middle East, Kazakhstan, Mongolia and the Western Himalayas to the Amur region of the eastern seaboard of Russia. It is apparently naturalised in southern Canada and the northern United States, Ireland and some of the British Isles.
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| Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
| Source | http://www.iucnredlist.org/apps/redlist/details/164438 |