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Bearded Lupine
Lupinus latifolius var. barbatus
  
0 Nurseries Carry This Plant

About Bearded Lupine (Lupinus latifolius var. barbatus) 0 Nurseries Carry This Plant Lupinus latifolius var. barbatus (Klamath lupine), sometimes also called bearded lupine, is a very rare plant of the Western U. S. , known only from northeastern California and southeastern Oregon. It is a rare variety of the gnerally common species L. latifolius, which is a member of the bean family. Stems stout, more or less fistulous, commonly several to many, branched above, 2 feet (0. 61 m) or more high, hairy (glabrous to strigose, or rather villous, especially around the nodes). Stipules conspicuous, not adnate, not broad; long, villous with spreading hairs (or hirsute with ascending hairs), 5-10 mm. Leaves cauline; petiole 4-20 cm. Leaflets about 9, upper surface glabrous to hairy, lower surface sparsely subvillous, 3 -5 (10) cm. Bracts conspicuous, long (8-12 mm), villous, deciduous. Raceme open, with a long (8-20 cm) peduncle. Pedicels slender, glabrate, 2-5 mm long. Flowers 8-10 mm, scattered, mostly pale; apex of the banner normally well reflexed from the upper margins of the wing-petals, its ventral meridian sulcus usually shallow, including very little of the wings. Keel ciliate on the upper edge. Ovary not very villous. Ovules 6-7. Fruit 2-4 cm, quite densely hairy. Seeds 3-4 mm, mottled dark brown. Distribution, habitat, and ecology. Klamath lupine is distributed from northeastern California to southern Oregon. This plant enjoys mesic conditions, and lives in wet, shady to open, sunny clay banks along streams and on the margins of meadows, within higher elevation conifer woodlands. "Broadleaf lupine (Lupinus latifolius) is likely top-killed by fire. Established plants are probably resistant to fire-induced mortality because of perennating buds on the deep, lateral root system. It is likely that these characteristics provide for regeneration following fire. Depending on the severity of top-kill by fire, sprouting from the caudex would also be a possibility. Information is lacking on the regeneration of broadleaf lupine seed after fire. Research to date (2006) suggests that broadleaf lupine responds favorably to fire. It was reportedly common or abundant after fire in many locations. The current body of research provides no clear direction for using fire as a management tool for broadleaf lupine populations. The research discussed [in the article] does, however, indicate that fire has a positive influence on broadleaf lupine. "Conservation status and threats. U. S. Forest Service Pacific Southwest Region Sensitive SpeciesCalifornia Native Plant Society List 1B. 2NatureServe California State Rank: S1. 2; Global Rank: G1This plant is threatened by grazing (NatureServe). Field identification. This plant most closely resembles other varieties of L. latifolius, and could potentially be confused for L. polyphyllus var. burkei. It occurs between about 4,925 feet (1,501 m) to 8,200 feet (2,500 m) above sea level, and flowers during June and July.
Plant Description
Plant Type
Plant Type
Perennial Herb

Size
Size
1 - 2 ft tall

Dormancy
Dormancy
Winter Deciduous

Flower Color
Flower Color
Blue, Lavender, Purple

Wildlife Supported
 


 
Butterflies & moths hosted ( 9 likely * ) SHOW ALL
*
Vanessa cardui Image
Painted Lady Vanessa carduiVanessa cardui
*
Icaricia acmon Image
Acmon Blue Icaricia acmonIcaricia acmon
*
Colias eurytheme Image
Orange Sulphur Colias eurythemeColias eurytheme
*
Glaucopsyche lygdamus Image
Silvery Blue Glaucopsyche lygdamusGlaucopsyche lygdamus
*
Satyrium behrii Image
Behr's Hairstreak Satyrium behriiSatyrium behrii
*
Autographa californica Image
Alfalfa Looper Moth Autographa californicaAutographa californica
*
Arachnis picta Image
Painted Tiger Moth Arachnis pictaArachnis picta

Landscaping Information
Natural Setting
Climate
Climate
Annual Precipitation: 14.6" - 14.6", Summer Precipitation: 1.16" - 1.16", Coldest Month: 32.5" - 32.5", Hottest Month: 61.7" - 61.7", Humidity: 1.47" - 16.57", Elevation: 4577" - 4577"


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Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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