Jepson eFlora: Taxon page
Vascular Plants of California
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Lupinus albifrons var. albifrons


Higher Taxonomy
Family: Fabaceae (Leguminosae)View DescriptionDichotomous Key
Common Name: LEGUME FAMILY
Habit: Annual to tree. Leaf: generally alternate, generally compound, generally stipuled, generally entire, pinnately veined Inflorescence: generally raceme, spike, umbel or head; or flowers 1--few in axils. Flower: generally bisexual, generally bilateral; hypanthium 0 or flat to tubular; sepals generally 5, generally fused; petals generally 5, free, fused, or lower 2 +- united into keel (see 3, Key to Groups, for banner, wings); stamens 10 or many (or [1], 5, 6, 7, 9), free or fused or 10 with 9 filaments at least partly fused, 1 (uppermost) free; pistil 1, ovary superior, generally 1-chambered, ovules 1--many, style, stigma 1. Fruit: legume, including a stalk-like base (above receptacle) or not. Seed: 1--many, often +- reniform, generally hard, smooth.
Genera In Family: +- 730 genera, 19400 species: worldwide; with grasses, requisite in agriculture, most natural ecosystems. Many cultivated, most importantly Arachis, peanut; Glycine, soybean; Phaseolus, beans; Medicago, alfalfa; Trifolium, clovers; many orns. Note: Unless stated otherwise, fruit length including stalk-like base, number of 2° leaflets is per 1° leaflet. Upper suture of fruit adaxial, lower abaxial. Anthyllis vulneraria L. evidently a waif, a contaminant of legume seed from Europe. Laburnum anagyroides Medik., collected on Mount St. Helena in 1987, may be naturalized. Ceratonia siliqua L., carob tree (Group 2), differs from Gleditsia triacanthos L. in having evergreen (vs deciduous) leaves that are 1-pinnate (vs 1-pinnate on spurs on old stems, 2-pinnate on new stems) with 2--5(8) (vs 7--17) 1° leaflets, commonly cultivated, now naturalized in southern California. Aeschynomene rudis Benth. , Halimodendron halodendron (Pall.) Voss (possibly extirpated), Lens culinaris Medik. are agricultural weeds. Caragana arborescens Lam. only cult. Ononis alopecuroides L. , Sphaerophysa salsula (Pall.) DC. all evidently extirpated. Cercidium moved to Parkinsonia; Chamaecytisus to Cytisus; Psoralidium lanceolatum to Ladeania.
eFlora Treatment Author: Martin F. Wojciechowski, except as noted
Scientific Editor: Martin F. Wojciechowski, Thomas J. Rosatti.
Genus: LupinusView DescriptionDichotomous Key

Common Name: LUPINE
Habit: Annual, perennial herb, subshrub, shrub; cotyledons generally petioled, withering early (sessile, persistent, disk-like in some annuals). Stem: erect to prostrate, branched or unbranched. Leaf: palmately compound in CA, cauline, often crowded near base; stipules fused to petiole; leaflets 3--17, entire. Inflorescence: raceme, flowers spiraled or whorled (or in lower leaf axils); bracts deciduous or persistent. Flower: calyx 2-lipped, lobes entire or toothed, generally appendaged between; corolla blue, purple, pink, white, or yellow, banner glabrous to densely hairy, centrally grooved, sides reflexed, wing tips +- fused, keel generally beaked; stamens 10, filaments fused, 5 long with short anthers, 5 short with long anthers; style brush-like. Fruit: dehiscent, generally oblong. Seed: 2--12, generally smooth.
Species In Genus: +- 267 species: especially western North America, western South America to eastern United States, also tropical South America, Mediterranean to western Asia, eastern tropical Africa; some cultivated for fodder, green manure, edible seed, ornamental. Etymology: (Latin wolf, from plants overrunning ground, or sadness, from facial response to harsh seed taste; meaning uncertain) Toxicity: Some (e.g., Lupinus arboreus, Lupinus latifolius, Lupinus leucophyllus) have alkaloids (especially in seeds, fruits, young herbage) TOXIC to livestock. Note: Inflorescence length excludes peduncle; some California species naturalized in eastern North America, South America, Australia, southern Africa.
eFlora Treatment Author: Teresa Sholars (perennials, annuals in part) & Rhonda Riggins (annuals in part)
Reference: Barneby 1989 Intermountain Flora 3(B):237--267; Isely 1998 Native and Naturalized Leguminosae (Fabaceae) US. M.L. Bean Museum, Brigham Young University; Drummond et al. 2012 Syst Biol 61:443--460.
Species: Lupinus albifronsView Description 


Habit: Subshrub, shrub (herb), < 50 dm, hairy, silver to green. Stem: decumbent to erect. Leaf: cauline, clustered near base or not, hairy; stipules 6--20 mm; petiole 1--8 cm; leaflets 6--10, 10--45 mm. Inflorescence: 4--40 cm, flowers generally not to loosely whorled; peduncle 5--13 cm; pedicels 3--10 mm; bract 4--15 mm, deciduous. Flower: 10--18 mm; calyx upper lip 6--8 mm, deeply divided, lower 6--10 mm, entire to 3-toothed; petals violet to lavender, banner back hairy to glabrous, spot generally yellow (to white) turning purple, keel upper margins generally ciliate middle to tip (glabrous in some varieties), lower glabrous. Fruit: 3--5 cm, hairy. Seed: 4--9, 4--6 mm, mottled tan.
Note: Variable; in need of study. Varieties now include some previously treated in Lupinus excubitus.
Lupinus albifrons Benth. var. albifrons
NATIVE
Habit: Shrub 5--50 dm, generally with distinct trunk, generally silver-silky. Stem: erect. Leaf: stipules 7--10 mm; petiole 2--5 cm; leaflets 6--10, 10--30 mm. Inflorescence: 8--30 cm; peduncle 5--13 cm; pedicels 4--9 mm; bract 4--8 mm. Flower: 10--14 mm.
Ecology: Common. Chaparral, foothill woodland; Elevation: < 1500 m. Bioregional Distribution: NW (except n NCo), SN, CW, SCo, ChI, WTR, SnGb, PR; Distribution Outside California: southern Oregon. Flowering Time: Mar--Jun Note: A host plant for endangered Mission blue butterfly.
Jepson eFlora Author: Teresa Sholars (perennials, annuals in part) & Rhonda Riggins (annuals in part)
Reference: Barneby 1989 Intermountain Flora 3(B):237--267; Isely 1998 Native and Naturalized Leguminosae (Fabaceae) US. M.L. Bean Museum, Brigham Young University; Drummond et al. 2012 Syst Biol 61:443--460.
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Botanical illustration including Lupinus albifrons var. albifrons

botanical illustration including Lupinus albifrons var. albifrons

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Citation for this treatment: Teresa Sholars (perennials, annuals in part) & Rhonda Riggins (annuals in part) 2020, Lupinus albifrons var. albifrons, in Jepson Flora Project (eds.) Jepson eFlora, Revision 8, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=61188, accessed on March 02, 2021.

Citation for the whole project: Jepson Flora Project (eds.) 2021, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on March 02, 2021.

Lupinus albifrons var. albifrons
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© 2021 Neal Kramer
Lupinus albifrons var. albifrons
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© 2008 Keir Morse
Lupinus albifrons var. albifrons
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© 2012 Barry Rice
Lupinus albifrons var. albifrons
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© 2021 Neal Kramer
Lupinus albifrons var. albifrons
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© 2015 Barry Breckling
Lupinus albifrons var. albifrons
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© 2021 Neal Kramer

More photos of Lupinus albifrons var. albifrons in CalPhotos



Geographic subdivisions for Lupinus albifrons var. albifrons:
NW (except n NCo), SN, CW, SCo, ChI, WTR, SnGb, PR
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).