UW Burke Herbarium species comparison

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Allium amplectens

Allium rhizomatum

narrow-leaf onion
Habit Scapose, perennial herbs from bulbs, the bulbs ovoid, usually clustered, the outer coats brownish and with a herringbone pattern.
Leaves

Leaves 2-4, concave-convex, slender, shorter than the scape, withering early;

scape 1-4 dm. tall, cylindrical.

Flowers

Umbel few- to many-flowered, nearly spherical;

pedicels slender, 1-2 times the length of the tepals;

tepals 6, lanceolate, acute, white or pink, becoming papery and converging over the fruit at maturity;

stamens 6, as long as the tepals;

stigma capitate.

Fruits

Capsule 3-celled, 6-seeded, crested with 6 low processes.

Allium amplectens

Allium rhizomatum
Flowering time May-July
Habitat Dry slopes and open meadows at low to middle elevations.
Distribution
Occurring on both sides of the Cascades crest in Washington; British Columbia to California.
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
A. acuminatum, A. campanulatum, A. cernuum, A. columbianum, A. constrictum, A. crenulatum, A. dictuon, A. douglasii, A. fibrillum, A. geyeri, A. macrum, A. nevii, A. robinsonii, A. schoenoprasum, A. scilloides, A. textile, A. tolmiei, A. validum, A. vineale
A. acuminatum, A. amplectens, A. campanulatum, A. cernuum, A. columbianum, A. constrictum, A. crenulatum, A. dictuon, A. douglasii, A. fibrillum, A. geyeri, A. macrum, A. nevii, A. robinsonii, A. schoenoprasum, A. scilloides, A. textile, A. tolmiei, A. validum, A. vineale
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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