UW Burke Herbarium species comparison

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Hordeum intercedens

Hordeum jubatum

foxtail barley
Habit Tufted perennial, the culms 2-5 dm. tall, glabrous to densely soft-pubescent.
Leaves

Sheaths open;

auricles present on some leaves, barely 0.5 mm. long;

ligules 0.2-0.6 mm. long;

blades 2-4 mm. broad.
Flowers

Inflorescence a terminal spike 5-10 cm. long, and at maturity almost as thick;

spikelets 3 per node, 1-flowered, the central spikelet sessile, its lemma with an awn nearly as long as the glumes, ultimately divaricate;

lateral spikelets with a curved pedicle 1-1.5 mm. long, the floret from rudimentary to nearly as large as the central floret;

glumes awn-like, 2-6 cm. long.

Hordeum intercedens

Hordeum jubatum
Flowering time June-August
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
H. brachyantherum, H. depressum, H. jubatum, H. marinum, H. murinum, H. pusillum, H. vulgare
H. brachyantherum, H. depressum, H. marinum, H. murinum, H. pusillum, H. vulgare
Subordinate taxa
H. jubatum ssp. jubatum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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