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Arizona lupine

Father Crowley's lupine

Habit Herbs, annual, 1–6 dm, with short-appressed and long, spreading hairs. Herbs, perennial, 5–7.5 dm, silver- to white-woolly.
Stems

erect, usually branched, sometimes unbranched.

erect, clustered, branched or unbranched, long-villous.

Leaves

cauline;

petiole 2–8 cm;

leaflets 5–10, blades 10–40 × 4–12 mm, adaxial surface glabrous.

basal and cauline;

stipules 5–11 mm;

petiole 2–3 cm;

leaflets 6–9, blades 25–75 × 4–6 mm, adaxial surface villous, hairs silvery.

Racemes

6–30 cm;

flowers spirally arranged or appearing ± whorled proximally.

7–21 cm;

flowers ± whorled.

Peduncles

1–6 cm;

bracts usually persistent, 4–8 mm.

2–5.5 cm;

bracts deciduous or persistent, 4–9 mm.

Pedicels

2–4 mm.

2–3.5 mm.

Flowers

7–10 mm;

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

corolla banner and wings dark pink to magenta, drying blue-purple or whitish, banner spot yellowish, becoming darker magenta, lower keel margins ciliate near claw, upper margins glabrous.

10–14 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 3-toothed, 5.5–8 mm, adaxial lobe, 2-toothed, 5–7 mm;

corolla cream to pale yellow, banner usually hairy abaxially, keel glabrous.

Legumes

often secund, 1–2 cm, coarsely pubescent.

2–3 cm, silky.

Cotyledons

deciduous, petiolate.

deciduous, petiolate.

Seeds

4–6.

2 or 3, white, mottled black, 4–5 mm.

2n

= 48.

Lupinus arizonicus

Lupinus padrecrowleyi

Phenology Flowering spring. Flowering Jun–Sep.
Habitat Sandy washes, open areas. Great Basin scrub, riparian scrub, upper montane coniferous forests, in decomposed granite.
Elevation 0–1100 m. (0–3600 ft.) 2500–4000 m. (8200–13100 ft.)
Distribution
from FNA
AZ; CA; NV; Mexico (Baja California, Baja California Sur, Sonora)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
Discussion

Lupinus arizonicus occurs in the eastern Mojave and Sonora deserts of southeastern California, southwestern Arizona, and southern Nevada, plus adjacent areas in northern Mexico.

Robust plants have been named var. barbatulus.

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

Lupinus padrecrowleyi is known from the southern Sierra Nevada, mostly on the east slope, in Inyo, Mono, and Tulare counties.

Lupinus padrecrowleyi can easily be distinguished from other Lupinus species by its usually white-woolly leaves, both clustered at base and along the stem, banners that are hairy abaxially, glabrous keels, and cream to yellow flowers.

(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. 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
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. 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. concinnus var. arizonicus, L. arizonicus var. barbatulus, L. brevior, L. concinnus var. brevior, L. sparsiflorus var. arizonicus, L. sparsiflorus var. barbatulus L. dedeckerae
Name authority (S. Watson) S. Watson: Proc. Amer. Acad. Arts 12: 250. (1877) C. P. Smith: Sp. Lupinorum, 510. (1945)
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