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Anderson's lupine

Mono Lake lupine

Habit Herbs, perennial, 2–10+ dm, green, densely hairy. Herbs, perennial, 0.5–1.2 dm, robust, tufted, shaggy.
Stems

erect or ascending, branched.

erect, branched.

Leaves

cauline;

stipules not leaflike, green to silvery, 3–15 mm;

petiole 2–6 cm;

leaflets 6–9, blades 20–60 × 5–10 mm, adaxial surface pubescent.

basal;

stipules 6–11 mm;

petiole (2–)3–6(–8) cm;

leaflets 5–8, blades 5–20 × 5–8 mm, adaxial surface pubescent.

Racemes

open, 2–23 cm;

flowers ± whorled.

crowded, 2–6 cm;

flowers whorled.

Peduncles

1–8.5 cm;

bracts deciduous, 2–10 mm.

3–7 cm;

bracts ± deciduous, 4–5 mm.

Pedicels

1.5–5 mm.

(2–)4–5 mm.

Flowers

9–12 mm;

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

corolla usually light blue or lavender to purple, rarely white, banner patch white turning purple, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.

8–11 mm;

calyx bulge or spur 0–1 mm, abaxial lobe ± entire, 6–7 mm, adaxial lobe deeply 2-toothed, 5–7 mm;

corolla violet, banner patch cream or white, keel ± straight, banner glabrous abaxially, lower keel margins glabrous, adaxial margin usually glabrous.

Legumes

2–4.5 cm, silky.

1–2 cm, appressed-villous.

Cotyledons

deciduous, petiolate.

deciduous, petiolate.

Seeds

4–6, brown, mottled tan, 4–6 mm.

3–5, white.

Lupinus andersonii

Lupinus duranii

Phenology Flowering Jun–Sep. Flowering May–Aug.
Habitat Dry slopes, yellow pine, lodge­pole pine, and white and red fir forests. Dry volcanic pumice, gravel, Great Basin scrub, subalpine and montane coniferous forests.
Elevation 1500–3000 m. (4900–9800 ft.) 2000–3000 m. (6600–9800 ft.)
Distribution
from FNA
CA; NV; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Lupinus andersonii is found widely in regions of the Sierra Nevada in California and western Nevada plus adjacent areas of southern Oregon. The erect branching with puberulent leaflets and a banner that is glabrous abaxially distinguish it from L. angustiflorus, L. apertus, and L. padrecrowleyi, which have pubescence at least on the abaxial crest of the banner. According to P. A. Munz (1959), L. egressus C. P. Smith may be of hybrid origin (L. fulcratus × L. andersonii).

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

Lupinus duranii is known only from the eastern Sierra Nevada in Mono County. Reports of it from Madera County are questionable.

(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. 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
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. 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. indigoticus, L. lingulae, L. louisegrisetiae, L. mariposanus, L. rimae L. tegeticulatus var. duranii
Name authority S. Watson: Botany (Fortieth Parallel), 58. (1871) — (as andersoni) Eastwood: Leafl. W. Bot. 2: 251. (1940) — (as durani)
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