Sideroxylon lanuginosum ssp. oblongifolium
Sideroxylon lanuginosum Michx. ssp. oblongifolium (Nutt.) T.D. Penn.
Gum bully, Chittamwood, Gum elastic tree
Sapotaceae (Sapodilla Family)
Synonym(s): Bumelia lanuginosa ssp. oblongifolia, Bumelia lanuginosa var. oblongifolia, Bumelia oblongifolia
USDA Symbol: silao
A multi-trunked shrub or medium-sized tree to 50 ft. or taller. Leathery, deciduous to semi-evergreen leaves are bright, shiny-green above and fuzzy-white below. Small, whitish flowers in dense clusters are followed by fleshy, blue-black drupes ripening from Sept. to Oct. and persisting into winter.
From the Image Gallery
Bloom InformationBloom Color: White
Bloom Time: Apr , May , Jun , Jul
DistributionUSA: AL , AR , IL , KS , KY , LA , MO , MS , OK , TX
Native Distribution: FL & GA to TX, AZ & adjacent Mex.; also n. inland to s. IL & s.e. KS
Native Habitat: Dry, sandy woods; swamp borders
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Rocky or sandy soils.
Conditions Comments: Slow-growing. Deep taproot aids in drought-tolerance. Can be thicket forming in favorable conditions. Although small, the flowers are fragrant. B. lanuginosa is evergreen in south Texas.
PropagationDescription: Propagate with treated seed sown into flats or outdoor beds in the fall. Softwood cuttings root easily.
Seed Collection: Gather fruits in fall when filled out, soft, and blue-black. Seeds can be cleaned or air-dryed with the pulp on before storage. Store in refrigerated, sealed containers for up to one year.
Seed Treatment: Scarify in concentrated sulfuric acid for 20 min. followed by stratification for 30-60 days at 41 degrees.
Commercially Avail: yes
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Lady Bird Johnson Wildflower Center - Austin, TX
Texas Parks and Wildlife Department - Austin, TX
Herbarium Specimen(s)NPSOT 0910 Collected Jun 26, 1994 in Bexar County by Harry Cliffe
Additional resourcesUSDA: Find Sideroxylon lanuginosum ssp. oblongifolium in USDA Plants
FNA: Find Sideroxylon lanuginosum ssp. oblongifolium in the Flora of North America (if available)
Google: Search Google for Sideroxylon lanuginosum ssp. oblongifolium
MetadataRecord Modified: 2012-07-02
Research By: TWC Staff