intermountain lupine, low lupine, rusty lupine
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Nootka lupine
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Herbs, annual, 0.5–2 dm, sparsely pubescent to pilose, hairs more than 1 mm. |
Herbs, perennial, (1–)4–10(–12) dm, hairs appressed to spreading, sparse to dense; caudex subterranean, woody. |
short and tufted or erect, branched from base or near middle. |
ascending to erect, clustered, unbranched or branched, sometimes thick, hollow. |
cauline, often crowded near base; stipules well developed; petiole 1–9 cm; leaflets 5–9, blades 10–40 × 5–10 mm, adaxial surface glabrous. |
cauline; stipules 1–8 cm; proximal petioles 3–8.5 cm, distal ones 2–7 cm; leaflets 5–8(–15), blades (10–)20–50(–70) × 5–15 mm, abaxial surface long-villous, adaxial surface usually glabrous or glabrate. |
8–12-flowered, 2–11 cm, shorter than or slightly exceeding foliage; flowers spirally arranged. |
1.8–30 cm; flowers in 1–15 whorls. |
0–3.5 cm; bracts persistent, straight, 2–5 mm. |
(1–)4–9.5 cm; bracts deciduous, 1–5 mm. |
1–3.5 mm. |
1–8 cm. |
5–12 mm; calyx abaxial lobe entire, 5–6 mm, adaxial lobe cleft, 2.5–4 mm; corolla vivid blue, sometimes paler or white, sometimes bicolored, banner spot white or yellowish, keel glabrous. |
11–21 mm; calyx bulge or spur 0–1 mm, abaxial lobe entire or deeply lobed, 6–12 mm, adaxial lobe 2-lobed or cleft less than 1/3 length, 6–8 mm; corolla usually bluish purple, sometimes pink, rarely white, banner glabrous abaxially, adaxial keel glabrous or densely ciliate along most of adaxial edge. |
1.5 cm, constricted between seeds, thinly pilose to coarsely hirsute. |
3–6 cm, silky. |
persistent, disclike, sessile. |
deciduous, petiolate. |
2, wrinkled or ridged. |
7–11. |
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w North America; c North America
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n North America; Europe; Atlantic Islands (Iceland)
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Varieties 3 (3 in the flora). Lupinus pusillus is a highly variable species, with the varieties intergrading. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
1. Peduncles 0–1 cm; racemes shorter than foliage; flowers 6–8 mm. | var. intermontanus |
1. Peduncles usually 1–3.5 cm; racemes equal to or longer than foliage; flowers 7–12 mm. | → 2 |
2. Pedicels and calyx tubes strigose. | var. pusillus |
2. Pedicels and calyx tubes glabrous. | var. rubens |
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1. Hairs spreading, long and shaggy; stems 10–15 mm diam.; bracts 16–19 mm. | var. nootkatensis |
1. Hairs finely silky-sericeous; stems 6–7(–9) mm diam.; bracts 7–13 mm. | var. fruticosus |
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FNA vol. 11. |
FNA vol. 11. |
Fabaceae > subfam. Faboideae > Lupinus |
Fabaceae > subfam. Faboideae > Lupinus |
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. 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. 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 |
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L. perennis var. nootkatensis |
Pursh: Fl. Amer. Sept. 2: 468. 1814[1813] |
Donn ex Sims: Bot. Mag. 32: plate 1311. (1810) |
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