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Lassics lupine, lassicus lupine, The Lassics lupine

Mt. Eddy lupine, saffron-flower lupine

Habit Herbs, perennial, less than 1.5 dm, matted, long-shaggy-hairy. Herbs, perennial, 4–6 dm, green, hairy.
Stems

± prostrate, branched.

erect or ascending, clustered, unbranched or branched.

Leaves

cauline, clustered near base;

stipules less than 6 mm;

petiole 6–8(–14) cm;

leaflets 6 or 7, blades 10–20 × 8–10 mm, adaxial surface pubescent.

cauline;

stipules not leaflike, green to silvery, 4–10 mm;

petiole 2–8 cm;

leaflets 5–9, blades 30–60 × 3–10 mm, adaxial surface pubescent or glabrous.

Racemes

dense, 3–5 cm, usually exceeding leaves;

flowers whorled.

6–28 cm;

flowers whorled or not.

Peduncles

1.5–4 cm;

bracts deciduous, 2.5–3 mm.

2–6 cm;

bracts tardily deciduous, 2–7 mm.

Pedicels

1–4 mm.

3–6 mm.

Flowers

8–12 mm, in 5–12 whorls;

calyx bulge or spur 0–1 mm, abaxial lobe entire, 4–5 mm, adaxial lobe notched, 4–5 mm;

corolla pink, banner patch light yellow, keel dark rose, white at claw, banner glabrous abaxially, strongly reflexed, lower keel margins glabrous, adaxial margin ciliate.

12–15 mm;

calyx bulge or spur 0–1 mm, abaxial lobe 2 or 3-toothed, 6–7 mm, adaxial lobe 2-toothed, 4–6 mm;

corolla bright yellow to orange-yellow, banner usually glabrous abaxially, sparsely hairy on ridge, keel upcurved, glabrous.

Legumes

1.5–2.5 cm, shaggy.

2–3.5 cm, hairy.

Cotyledons

deciduous, petiolate.

deciduous, petiolate.

Seeds

3–5, tan.

3–5, mottled tan, 6–8 mm.

Lupinus constancei

Lupinus croceus

Phenology Flowering Jul. Flowering May–Aug.
Habitat Serpentine barrens in openings of lower montane conifer forests. Dry, rocky places, yellow pine and fir forests, montane chaparral.
Elevation 1500–2000 m. (4900–6600 ft.) 900–2700 m. (3000–8900 ft.)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Lupinus constancei is known from only two populations in the Lassics Range (Inner North Coast Range) in southeastern Humboldt and northwestern Trinity counties.

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

Lupinus croceus is known from the Cascade and Klamath ranges.

Herbs with spreading hairs and subequal calyx lobes have been called var. pilosellus.

(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. 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. 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. lepidus var. constancei L. croceus var. pilosellus, L. pilosellus
Name authority T. W. Nelson & J. P. Nelson: Brittonia 35: 180, fig. 1. (1983) Eastwood: Leafl. W. Bot. 2: 126. (1938)
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