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Toxicity
Seeds of s. Secundiflora are poisonous if ingested

Sophora

Fabaceae (Leguminosae)
Deciduous, Evergreen, Shrubs, Trees

Handsome flowering trees with showy, drooping clusters of sweet pea-shaped blossoms. Seed pods are constricted between the seeds, giving them a bead-necklace look. Leaves are divided into many leaflets. Provide good drainage.

Sophora arizonica

Nativeto Arizona. Grows slowly to 3–10 ft. tall and wide. Dark gray-greenleaves have five to nine1/2–1-in.-long leaflets. Clustersof 1–1 1/4-in., purple to lavenderflowers in spring are followed by4–7-in.-long seedpods. Use asan informal hedge, in borders.Takes heat. Tolerates droughtbut does better with moderateto regular water applied deeplyduring hot months.

Sophora japonica
Sophora japonica

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Sophora japonica

Native to China, Korea. Grows at a moderate rate to 50 to 70 ft. high and wide. Young wood is smooth, dark gray green; old branches and trunk gradually take on rugged look, with rough, deeply furrowed bark. Dark green, 6- to 10-in. leaves are divided into 7 to 17 leaflets, each 1 to 2 in. long. Undistinguished yellow fall color. Long (to 1-ft.), open clusters of 1/2-in., yellowish white flowers in summer; 2 to 3 1/2-in. pods.

Sophora secundiflora

From Texas, New Mexico, Northern Mexico. Reaches 15 to 25 ft. tall, 10 to 15 ft. wide; very slow growing, especially in cool-summer regions. Naturally shrubby but can be trained into tree with short, slender trunk or multiple trunks, narrow crown, upright branches. Leaves 4 to 6 in. long, divided into seven to nine glossy dark green, 1- to 2-in.-long leaflets. Blooms from midwinter to early spring, bearing sweet-scented violet-blue flowers in drooping, 4 to 8-in. clusters reminiscent of wisteria. A white-flowered form is occasionally available.

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