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bajada lupine

Drew's silky lupine

Habit Herbs, annual, 1–3 dm, spreading-pubescent. Herbs, perennial, 2–6 dm, hairy, silver to dull green.
Stems

ascending, tufted, or erect, branched or unbranched.

decumbent, ascending, or erect, unbranched or branched.

Leaves

cauline;

petiole 2–7 cm, spreading-pubescent;

leaflets 5–9, blades 10–30 × 1.5–8 mm, surfaces pubescent.

cauline;

stipules not leaflike, green to silvery, 5–17 mm;

petiole 2–6 cm;

leaflets 6–9, blades 20–50 × 3–7 mm, widest above middle, adaxial surface pubescent, appressed-hairy to ± silky or dull green.

Racemes

1–18 cm;

flowers spirally arranged, solitary axillary flowers also sometimes present.

2–23 cm;

flowers spirally arranged to subwhorled.

Peduncles

erect, 2–8 cm;

bracts persistent, straight, 2.5–4 mm.

2–8 cm;

bracts deciduous, 2–8 mm.

Pedicels

0.7–2 mm.

2–6 mm.

Flowers

5–12 mm;

calyx 3–5 mm, lobes ± equal, abaxial lobe entire, adaxial lobe deeply cleft;

corolla usually pink to purple, rarely white, banner spot white or yellowish, keel usually glabrous, rarely with few, minute cilia on lower margins.

9–12 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or minutely 3-toothed, 3–7 mm, adaxial lobe 2-toothed, 4–6.5 mm;

corolla pale yellowish to lavender or violet, banner patch yellow to white, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

Legumes

1–1.5 cm, pubescent.

2–4 cm, silky.

Cotyledons

deciduous, petiolate.

deciduous, petiolate.

Seeds

3–5.

3–6, mottled brown, 4–6 mm.

2n

= 48.

= 48.

Lupinus concinnus

Lupinus adsurgens

Phenology Flowering spring. Flowering May–Jul.
Habitat Open or disturbed areas, often following burns. Dry slopes, montane forests.
Elevation 0–1600 m. (0–5200 ft.) 500–3500 m. (1600–11500 ft.)
Distribution
from FNA
AZ; CA; NM; NV; TX; UT; Mexico (Baja California, Baja California Sur, Sonora)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR
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[BONAP county map]
Discussion

In Texas, Lupinus concinnus is known from the trans-Pecos region; in California it is more common in the central and southern areas.

Lupinus concinnus is a highly variable, predominantly self-pollinated complex and the named varieties cannot be consistently segregated. Desert plants with linear, coarsely hairy leaflets and few, minute cilia on lower keel margins (at times recognized as var. desertorum) may be confused with L. sparsiflorus.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Lupinus adsurgens is found in the San Francisco Bay region and North Coast Ranges of California, north to southern Oregon (Josephine County), and throughout the Sierra Nevada.

All parts of Lupinus adsurgens are toxic, causing crooked neck disease in cattle (A. M. Davis 1982).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus Fabaceae > subfam. Faboideae > Lupinus
Sibling taxa
L. adsurgens, L. affinis, L. albicaulis, L. albifrons, L. andersonii, L. angustiflorus, L. antoninus, L. apertus, L. arboreus, L. arbustus, L. arcticus, L. argenteus, L. arizonicus, L. benthamii, L. bicolor, L. brevicaulis, L. breweri, L. cervinus, L. chamissonis, L. citrinus, L. constancei, L. covillei, L. croceus, L. dalesiae, L. diffusus, L. duranii, L. elatus, L. elmeri, L. excubitus, L. flavoculatus, L. formosus, L. fulcratus, L. gracilentus, L. grayi, L. guadalupensis, L. havardii, L. hirsutissimus, L. huachucanus, L. hyacinthinus, L. kingii, L. kuschei, L. lapidicola, L. latifolius, L. lepidus, L. leucophyllus, L. littoralis, L. longifolius, L. ludovicianus, L. luteolus, L. magnificus, L. malacophyllus, L. microcarpus, L. nanus, L. neomexicanus, L. nevadensis, L. nipomensis, L. nootkatensis, L. obtusilobus, L. odoratus, L. onustus, L. oreganus, L. pachylobus, L. padrecrowleyi, L. peirsonii, L. perennis, L. polyphyllus, L. pratensis, L. pusillus, L. rivularis, L. sabineanus, L. sericatus, L. sericeus, L. shockleyi, L. sierrae-blancae, L. sparsiflorus, L. spectabilis, L. stiversii, L. subcarnosus, L. succulentus, L. sulphureus, L. texensis, L. tidestromii, L. tracyi, L. truncatus, L. uncialis, L. villosus, L. westianus
L. affinis, L. albicaulis, L. albifrons, L. andersonii, L. angustiflorus, L. antoninus, L. apertus, L. arboreus, L. arbustus, L. arcticus, L. argenteus, L. arizonicus, L. benthamii, L. bicolor, L. brevicaulis, L. breweri, L. cervinus, L. chamissonis, L. citrinus, L. concinnus, L. constancei, L. covillei, L. croceus, L. dalesiae, L. diffusus, L. duranii, L. elatus, L. elmeri, L. excubitus, L. flavoculatus, L. formosus, L. fulcratus, L. gracilentus, L. grayi, L. guadalupensis, L. havardii, L. hirsutissimus, L. huachucanus, L. hyacinthinus, L. kingii, L. kuschei, L. lapidicola, L. latifolius, L. lepidus, L. leucophyllus, L. littoralis, L. longifolius, L. ludovicianus, L. luteolus, L. magnificus, L. malacophyllus, L. microcarpus, L. nanus, L. neomexicanus, L. nevadensis, L. nipomensis, L. nootkatensis, L. obtusilobus, L. odoratus, L. onustus, L. oreganus, L. pachylobus, L. padrecrowleyi, L. peirsonii, L. perennis, L. polyphyllus, L. pratensis, L. pusillus, L. rivularis, L. sabineanus, L. sericatus, L. sericeus, L. shockleyi, L. sierrae-blancae, L. sparsiflorus, L. spectabilis, L. stiversii, L. subcarnosus, L. succulentus, L. sulphureus, L. texensis, L. tidestromii, L. tracyi, L. truncatus, L. uncialis, L. villosus, L. westianus
Synonyms L. agardhianus, L. concinnus var. agardhianus, L. concinnus var. desertorum, L. concinnus subsp. optatus, L. concinnus var. optatus, L. concinnus subsp. orcuttii, L. concinnus var. orcuttii, L. concinnus var. pallidus, L. pallidus L. adsurgens var. lilacinus, L. adsurgens var. undulatus, L. alcis-montis, L. aliceae, L. arvensiplasketti, L. brandegeei, L. debilis, L. klamathensis, L. lilacinus, L. pendeltonii
Name authority J. Agardh: Syn. Lupini, 6, plate 1, fig. 1. (1835) Drew: Bull. Torrey Bot. Club 16: 150. (1889)
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