Allium robinsonii L. F. Hend.
Life   Plantae   Monocotyledoneae   Liliaceae   Allium

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Allium robinsonii L.F. Hend.
Robinson's onion

General Information
Symbol: ALRO
Group: Monocot
Family: Liliaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : L48   N
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   





Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Liliopsida – Monocotyledons
Subclass Liliidae
Order Liliales
Family Liliaceae – Lily family
Genus Allium L. – onion
Species Allium robinsonii L.F. Hend. – Robinson's onion

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed Information
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds .
Arkansas Allium
wild onion, wild garlic Noxious weed

Wetland Status

Interpreting Wetland Status

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CalPhotos (ALRO)
Flora of North America (ALRO)
Integrated Taxonomic Information System (ALRO)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

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Following modified from Flora of North America
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FNA Vol. 26 Page 233, 276 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 26 | Liliaceae | Allium

96. Allium robinsonii L. F. Henderson, Rhodora. 32: 22. 1930.

Bulbs 1—3+, not clustered on stout primary rhizome, rhizomes absent, renewal bulbs formed within coats of parent bulb, increase bulbs absent or 1—2, ± equaling parent bulbs, never appearing as basal cluster, ovoid, 1—2 cm × 8—15 mm; outer coats grayish to brownish, membranous, lacking cellular reticulation or cells arranged in only 2—3 rows distal to roots, ± quadrate, without fibers; inner coats white, cells absent or ± quadrate. Leaves usually deciduous with scape, 2, basally sheathing, sheaths not extending much above soil surface; blade solid, flat, strongly falcate, 5—18 cm × 1—2 mm, margins entire. Scape usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, flattened, slightly 2-edged, 3—7 cm × 1—3 mm. Umbel deciduous with scape, erect, compact, 5—12-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2, 5—8-veined, ovate, ± equal, apex abruptly acute. Flowers campanulate, 7—9 mm; tepals erect, white to pale pink with red midribs, oblong, ± equal, becoming papery and not carinate in fruit, margins entire, apex obtuse; stamens included; anthers purple; pollen gray or yellow; ovary ± distinctly crested; processes 3 or 6, central, low, rounded, margins entire; style included, linear; stigma capitate, unlobed; pedicel 3—12 mm. Seed coat dull; cells smooth. 2n = 14.

Flowering Apr--May. Sand and gravel deposits along bottom and lower benches of Columbia River; 50--200 m; Oreg., Wash.

Allium robinsonii has been found along the Columbia River from Ferry County, northeastern Washington, to about the mouth of the John Day River, north-central Oregon, and is now possibly extirpated from Oregon.

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Number of matches : 1
Query: SELECT * FROM img WHERE ready=1 and taxon like "Allium robinsonii%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

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Allium robinsonii
Allium robinsonii
Robinson's Onion
ID: 0000 0000 0705 0579 [detail]
© 2005 Shawn DeCew

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