Yellow necklacepod
Sophora tomentosa var. truncata

Landscape Uses:

Accent or specimen shrub along the coast. Also buffer plantings.

Ecological Restoration Notes:

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 at Amelia's SmartyPlants (561-540-6296), in Boynton Beach at Sustainscape (561-245-5305) and in Miami at Pro Native Consulting (786-488-3101).
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.
Typically 8-10 feet in height. About as broad as tall.
Growth Rate:
Monroe County Keys north to Brevard and Levy counties.
Edges of coastal forests and thickets.
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:
Flower Characteristics:
Showy, in long, racemose, terminal spikes.
Flowering Season:
All year.
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).
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.

Roger L. Hammer
Shirley Denton
Shirley Denton
Michelle M. Smith, 2018
In habitat, Atlantic Dunes Park, Florida
Michelle M. Smith, 2018
In habitat, Atlantic Dunes Park, Florida