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lady lupine
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sundial lupine
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| Herbs, usually annual, sometimes biennial, robust, 2–6 dm, spreading, hairs long, shaggy, silver or tawny. |
Herbs, perennial, 2–8 dm, glabrous or densely shaggy; rhizomatous, patch-forming. |
sprawling or ascending, clustered, branched. |
erect, unbranched or sparsely branched distally, usually hollow. |
basal; stipules conspicuous, 20–30 mm; petiole 3.5–9.5 cm; leaflet 1, blades 150–270 × 12–33 mm, surfaces sericeous or abaxially thinly pubescent. |
cauline; stipules 4–12 mm, longer proximally becoming smaller distally; petiole (2–)5–10(–15) cm; leaflets 7–11, blades (15–)20–45(–50) × 4–15 mm, abaxial surface appressed to spreading hairy, strigose, adaxial surface green, glabrous. |
11–25 cm; flowers whorled or spirally arranged. |
8–20(–30) cm; flowers spirally arranged or whorled. |
7–9 cm; bracts deciduous, 6–15 mm. |
(2.5–)4–9 cm; bracts tardily deciduous, 3–6 mm. |
2–4 mm. |
(3–)5–7(–10) mm. |
10–14 mm; calyx abaxial lobe entire, 10–11 mm, adaxial lobe entire, 7–9 mm; corolla lilac to reddish purple or pink, banner spot maroon, glabrous. |
(8–)12–16 mm; calyx abaxial lobe slightly 3-dentate, 5–6 mm, adaxial lobe notched, 4–5 mm; corolla usually blue, sometimes pink or white, banner glabrous abaxially, upper keel margins ciliate. |
(1.5–)2.5–4 cm, shaggy-villous. |
3–5 cm, villous. |
deciduous, petiolate. |
deciduous, petiolate. |
2–4. |
5 or 6. |
= 52. |
= 48, 96. |
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|
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| Flowering Mar–Apr. |
Flowering (Mar–)Apr–Jul(–Oct). |
| Sandhills, open woods. |
Sandy soils in dry areas, pine barrens, openings in oak or conifer forests, bluffs, meadows, roadsides. |
| 0–50 m. (0–200 ft.) |
0–500 m. (0–1600 ft.) |
|
AL; FL; GA; LA; MS; NC; SC
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AL; CT; DC; DE; FL; GA; IA; IL; IN; KY; LA; MA; MD; ME; MI; MN; MS; NC; NH; NJ; NY; OH; PA; RI; SC; TX; VA; VT; WI; WV; ON [Introduced in Asia (China)]
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In Florida, Lupinus villosus reaches as far south as Polk County. Lupinus villosus is of conservation concern in North Carolina. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Shorter plants with more basal leaves have been recognized as subsp. gracilis; intermediates between the named varieties are abundant. Variety occidentalis was described from Michigan and Wisconsin as differing by its dense pubescence, which is a variable trait. In the northern part of its range, Lupinus perennis is sympatric with L. polyphyllus and can be differentiated because the latter has more leaflets and a glabrous keel. Lupinus perennis is of conservation concern in some states and is an important host plant for lepidopterans; the federally endangered Karner Blue butterfly relies on L. perennis as a larval host plant and sundial lupine also is a larval host plant for Frosted Elfin (Callophrys irus) and Wild Indigo Duskywing (Erynnis baptisiae) butterflies and several species of moths. Lupinus perennis is toxic and potentially fatal to livestock, due to the alkaloid D-lupaine (M. Wink et al. 1995). Lupinus gracilis Nuttall (1834, not Kunth 1824) is an illegitimate name that pertains here. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| 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. 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. 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. 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. nuttallii, L. perennis subsp. gracilis, L. perennis var. gracilis, L. perennis var. occidentalis |
| Willdenow: Sp. Pl. 3: 1029. (1802) |
Linnaeus: Sp. Pl. 2: 721. (1753) |
| |
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