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Vascular Plants of California
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Lupinus formosus var. formosus

WESTERN LUPINE


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.
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 formosusView Description 


Habit: Perennial herb 2--8 dm, densely hairy to tomentose, gray to silver; rhizomes 3--7 mm diam. Stem: spreading to +- erect. Leaf: cauline; stipules 4--15 mm; petiole 2--7 cm; leaflets 7--9, 25--70 mm. Inflorescence: 10--30 cm, flowers +- whorled; peduncle 3--7 cm; pedicels 3--7 mm; bract 4--14 mm, deciduous. Flower: 10--18 mm; calyx upper lip 7--11 mm, 2-toothed, lower 8--12 mm, entire to 3-toothed; petals purple, banner back glabrous, spot white or not, keel glabrous, upcurved. Fruit: 3--4.5 cm, hairy. Seed: 5--7, 4--7 mm, mottled brown.

Lupinus formosus Greene var. formosus
NATIVE
Stem: 3--4 mm diam. Flower: 10--14 mm.
Ecology: Dry clay soils, grasslands, open areas under pines; Elevation: < 1000(3000) m. Bioregional Distribution: CA-FP, DMoj; Distribution Outside California: northern Baja California. Flowering Time: Apr--Sep
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 formosus var. formosusbotanical illustration including Lupinus formosus var. formosus


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Citation for this treatment: Teresa Sholars (perennials, annuals in part) & Rhonda Riggins (annuals in part) 2022, Lupinus formosus var. formosus, in Jepson Flora Project (eds.) Jepson eFlora, Revision 11, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=61315, accessed on October 03, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on October 03, 2024.

Lupinus formosus  
var. formosus
click for image enlargement
©2008 Toni Corelli
Lupinus formosus  
var. formosus
click for image enlargement
©2008 Toni Corelli
Lupinus formosus  
var. formosus
click for image enlargement
©2014 Neal Kramer
Lupinus formosus  
var. formosus
click for image enlargement
©2014 Neal Kramer
Lupinus formosus  
var. formosus
click for image enlargement
©2008 Toni Corelli

More photos of Lupinus formosus var. formosus
in CalPhotos



Geographic subdivisions for Lupinus formosus var. formosus:
CA-FP, DMoj
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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 occurrence).






 

Data provided by the participants of the  Consortium of California Herbaria.

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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 Flowering-Fruiting Monthly Counts

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).