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desert lupine, purple desert lupine, Shockley lupine

Sierra blanca lupine, White Mountain lupine

Habit Herbs, annual, 0.4–3 dm, canescent, hairs 0.6–1 mm. Herbs, perennial, 6.5–15.2 dm, appearing green and glabrous but finely and inconspicuously pubescent.
Stems

erect or ascending, very short, tufted or spreading, branched.

erect, solitary, branched, robust, succulent, hirsutulous.

Leaves

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

cauline;

stipules 6–9 mm;

proximal petioles 5–7 cm, withering, distal ones 3.5–6.5 cm;

leaflets 7–10, blades 30–95 × 5–13 mm, abaxial surface finely strigulose, adaxial surface glabrate, yellow-green or gray-green.

Racemes

several–many-flowered, 3–14 cm;

flowers spirally arranged.

5–34 cm;

flowers whorled or spirally arranged.

Peduncles

1–10 cm;

bracts persistent, straight, 2–4 mm.

4–5 cm;

bracts semi-deciduous, 5–7 mm.

Pedicels

1–4 mm.

2–8(–10) mm.

Flowers

4.5–7 mm;

calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, glabrous.

10–14 mm;

calyx abaxial lobe ± slightly gibbous, 9–15 mm, adaxial lobe slightly notched, 7–11 mm;

corolla pale blue and whitish, banner with conspicuous darker spot, banner glabrous or hairy abaxially, keel falcate, often ± ciliolate distally.

Legumes

undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying.

3.5 × 0.8–1 cm, hirsute.

Cotyledons

persistent, disclike, sessile.

deciduous, petiolate.

Seeds

2, wrinkled.

5–7.

2n

= 48.

Lupinus shockleyi

Lupinus sierrae-blancae

Phenology Flowering spring (Apr–Jun). Flowering Jun–Aug.
Habitat Dunes, sandy areas, washes, playas. Meadows in pine or fir forests, roadsides.
Elevation 0–1500 m. (0–4900 ft.) 1800–3100 m. (5900–10200 ft.)
Distribution
from FNA
AZ; CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
NM
[BONAP county map]
Discussion

Lupinus shockleyi occurs in the desert areas of southern California, adjacent areas of southern Nevada, and northwestern Arizona.

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

Lupinus sierrae-blancae is known only from the Sierra Blanca and Sacramento Mountains in Lincoln and Otero counties.

(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. 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. 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. 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. 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. 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. aquilinus, L. laetus, L. sierrae-blancae subsp. aquilinus
Name authority S. Watson: Proc. Amer. Acad. Arts 22: 470. (1887) Wooten & Standley: Contr. U.S. Natl. Herb. 16: 138. (1913)
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