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Lupinus (from the Latin lupus, a wolf, because a crop of lupines was supposed to destroy fertility). Leguminosae. Lupine. Usually herbs adapted to borders in masses, and to all places in which low-growing showy herbs would be found; some make good bedding plants, others cut-flowers.
Mostly annuals or herbaceous perennials, 2 species in cult, being shrubby: lvs. usually digitate, with 5-15 entire lfts.: fls. with calyx deeply bilabiate, 5-toothed, unequal; corolla with simple erect broadly ovate standard, having strongly reflexed sides; wings united at the apex and inclosing the keel; stamens united into a closed tube: pod 2-valved. flattened, inclosing several large seeds.—A group of about 300 species mostly confined to W. N. Amer., a few growing in E. N. Amer., Peru, Brazil, Mex., Guatemala, Afr., and in the Medit. region. A very variable genus in the garden. There are numerous garden hybrids of unknown parentage. Some of these names will be found in the supplementary list. Voss groups these under the name of L. hybridus. Hort., and its vars. atrococcineus and roseus, or florists lupines. They have variegated fls.
In addition to those described below the following native species have been advertised, mostly by Gillett, in 1881, for western collections. Probably they are not in cultivation. They are mostly described in Bot. Calif.: L. albicaulis, L. Chamissonis, L. lepidus, L. leucophyllus, L. ornatus and L. villosus.
The lupines are showy plants with conspicuous flowers in terminal racemes, those of the species in cultivation being mostly verticillate. The flowers are blue, white or yellow, or a union of these, papilionaceous and free-blooming. All are of easy cultivation in any garden soil, except that they are said not to succeed in soil containing lime. They are propagated by seed, the perennials also by division. They do not bear transplanting when once established, hence it is recommended to sow seed where the plants are finally desired. A few species are of value economically for soiling or plowing under.
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