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Western necklacepod

Sophora leachiana

Also called Western Necklace Pod

Western necklacepod
Photo: Chloe and Trevor Van Loon (iNaturalist user @chloe_and_trevor), CC BY 4.0

Western necklacepod is a small perennial legume native only to a few counties in the Siskiyou Mountains of southwestern Oregon, where it grows on sunny, disturbed slopes. It is rarely grown in gardens, and its key need is full sun with good drainage.

Family
Fabaceae (Pea & bean family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water sparingly once established; let the soil dry out between waterings.
Soil
Well-drained, gritty or sandy soil; tolerates poor, rocky ground.
Temperature
Hardy to about -15 °C; protect young plants from prolonged frost.
How easy
Moderate
Native range
Oregon (Siskiyou Mts.)
Climate
temperate

About

Sophora leachiana, commonly known as the western necklacepod or as western sophora, is a perennial plant in the family Fabaceae endemic to the Siskiyou Mountains of southwestern Oregon. It is an early successional species whose ecology is closely linked to fire.

Where it grows

Sophora leachiana has a very narrow geographic distribution, occurring only in Josephine and Curry counties in southwestern Oregon. It grows in mixed-conifer forests in the Siskiyou Mountains, mostly on south or west–facing slopes or on flats by perennial creeks. In 1978, Cheryl Crowder surveyed the thirteen known populations of S. leachiana, which varied in elevation between 335 and 658 m, and all of which showed signs of heavy disturbance, either by fire or human activity. These sites were mostly exposed to full sun, but a few occurred in partial shade.

Other Sophora plants

Sophora alopecuroides · Sophora cassioides · Coastal Kōwhai · Mamani · Sophora fernandeziana · Shrubby sophora · Brush Sophora · Waitakere Kowhai · Godley’s Kōwhai · Lord Howe Kowhai · Sophora longicarinata · Sophora macrocarpa

Text excerpted from the Wikipedia article Sophora leachiana by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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