UW Burke Herbarium species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Lupinus arbustus

Lupinus sulphureus
Lupinus arbustus

longspur lupine, spurred lupine

sulfur lupine
Habit Robust perennial herb with numerous stems from a branched root crown.
Leaves

Alternate, palmately compound with 9-11 narrow variously pubescent leaflets.
Flowers

Yellow or white, 9-12 mm long, pea-like.
Fruits

Pea-like pods 2-3 cm long.
Comments

This is a difficult genus and the key in Hitchcock and Cronquist 1973 is out of date.

Lupinus arbustus

Lupinus sulphureus
Identification notes Compared to other Lupinus species, has fairly small flowers with the banner (upper petal) not much reflexed and either glabrous or only slightly pubescent. Also note the yellow to white flowers and palmately compound leaves with relatively narrow leaflets.
Flowering time May-July April-June
Habitat Sagebrush deserts and ponderosa pine forest openings. Shrub-steppe, grassland, and open ponderosa pine forests.
Distribution
Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana and Utah.
[WildflowerSearch map]
[BONAP county map]
Occurring east of the Cascades crest in Washington; southern British Columbia to central Oregon, possibly east to adjacent Idaho.
[WildflowerSearch map]
[BONAP county map]
Origin Native Native
Conservation status Not of concern Not of concern
Sibling taxa
L. albicaulis, L. arboreus, L. argenteus, L. bicolor, L. latifolius, L. lepidus, L. leucophyllus, L. littoralis, L. microcarpus, L. nootkatensis, L. oreganus, L. pachylobus, L. polyphyllus, L. pusillus, L. rivularis, L. sabinianus, L. saxosus, L. sericeus, L. sulphureus
L. albicaulis, L. arboreus, L. arbustus, L. argenteus, L. bicolor, L. latifolius, L. lepidus, L. leucophyllus, L. littoralis, L. microcarpus, L. nootkatensis, L. oreganus, L. pachylobus, L. polyphyllus, L. pusillus, L. rivularis, L. sabinianus, L. saxosus, L. sericeus
Subordinate taxa
L. sulphureus var. bingenensis, L. sulphureus var. sulphureus
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in UW Burke Herbarium yet, or it's listed under a synonym.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers