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Yellow necklacepod
Sophora tomentosa var. truncata

Copyright by: Roger L. Hammer

General Landscape Uses: Accent or specimen shrub along the coast. Also buffer plantings.

Availability: Grown by a few native plant nurseries in south and central Florioda. Available in Lake Worth at Indian Trails Native Nursery (561-641-9488) and in Boynton Beach at Sustainscape (561-245-5305) and in Miami at Pro Native Consulting (786-488-3101).

Description: Medium to large shrub with an irregular rounded crown. Trunks short, bearing several arching stems. Bark yellowish-brown, roughend by lenticels. Leaves glossy dark green, shiny above, slighly hairy when young then becoming glabrous.

Dimensions: Typically 8-10 feet in height. About as broad as tall.

Growth Rate: Moderate.

Range: Monroe County Keys north to Brevard and Levy counties.

Plant Map Map of select IRC data from peninsular Florida.

 Map of suggested ZIP codes from South Florida north to southern Brevard, Osceola, Polk, and Pasco counties.

 Map of ZIP codes with habitat recommendations from the Monroe County Keys north to Martin and Charlotte counties.

Habitats: Edges of coastal forests and thickets.

Soils: Moist, well-drained sandy or limestone soils, with humusy top layer; rarely on peat on tree islands in the southern Everglades.

Nutritional Requirements: Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.

Salt Water Tolerance: Low; does not tolerate long-term flooding by salt or brackish water.

Salt Wind Tolerance: High; can tolerate moderate amounts of salt wind without significant injury.

Drought Tolerance: High; does not require any supplemental water once established.

Light Requirements: Full sun.

Flower Color: Yellow.

Flower Characteristics: Showy, in long, racemose, terminal spikes.

Flowering Season: All year.

Fruit: Yellowish-brown beaded pods (legumes), 2-6" long.

Wildlife and Ecology: Provides food and shelter for wildlife. Nectar plant for hummingbirds and butterflies. The flowers also attract warblers and bees.

Horticultural Notes: Can be grown from seed. Care must now be taken to avoid pollination by S. tomentosa var. occidentalis (see below).

References: Hammer 2004, Nelson 2003

Comments: The very hairy, commonly sold necklacepod is S. tomentosa var. occidentalis from Texas. The seeds are toxic if eaten. See also the Florida Wildflower Foundation's Flower Friday page.

Copyright by: Roger L. Hammer

Copyright by: Michelle M. Smith, 2018
In habitat, Atlantic Dunes Park, Florida

Copyright by: Michelle M. Smith, 2018
In habitat, Atlantic Dunes Park, Florida

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Other data on Sophora tomentosa var. truncata available from:

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