Sideroxylon lanuginosum

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Gum bully

Apparently Secure (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Sapotaceae
Genus: Sideroxylon
S. lanuginosum
Binomial name
Sideroxylon lanuginosum
  • S. l. subsp. lanuginosum
  • S. l. subsp. oblongifolium
  • S. l. subsp. rigidum
Natural range

Sideroxylon lanuginosum[4] is a shrub or small tree of the family Sapotaceae.[5] It is native to the Sun Belt and Midwest of the United States[6] as well as Northeastern Mexico.[2] Common names include gum bully,[6] black haw, chittamwood, chittimwood, shittamwood, false buckthorn, gum bumelia, gum elastic, gum woolybucket, woolybucket bumelia, wooly buckthorn, wooly bumelia, ironwood and coma.

The fruit of Bumelia lanuginosa is edible but can cause stomach aches or dizziness if eaten in large quantities.[7] The Kiowa and Comanche tribes both consumed them when ripened.[8] Gum from the trunk of the tree is sometimes chewed by children.[7]


  • Sideroxylon lanuginosum subsp. lanuginosum (syn. Bumelia lanuginosa, Bumelia rufa)[9][10]
  • Sideroxylon lanuginosum subsp. oblongifolium (Nutt.) T.D.Penn. (syn. Sideroxylon lanuginosum ssp. albicans)
  • Sideroxylon lanuginosum subsp. rigidum (A.Gray) T.D.Penn.[3]


  1. ^ "NatureServe Explorer 2.0 - Sideroxylon lanuginosum, Gum Bumelia". Retrieved 6 May 2020.
  2. ^ a b "Sideroxylon lanuginosum". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2011-10-06.
  3. ^ a b "Sideroxylon lanuginosum". Integrated Taxonomic Information System. Retrieved 2011-10-06.
  4. ^ "Help for the Home Gardener". Retrieved 27 March 2022.
  5. ^ Paul T. Corogin. "The Buckthorns (Genus Sideroxylon): An Underappreciated Group of Florida Native Plants" (PDF). Retrieved 27 March 2022.
  6. ^ a b USDA, NRCS (n.d.). "Sideroxylon lanuginosum". The PLANTS Database ( Greensboro, North Carolina: National Plant Data Team. Retrieved 14 November 2015.
  7. ^ a b Little, Elbert L. (1980). The Audubon Society Field Guide to North American Trees: Eastern Region. New York: Knopf. p. 631. ISBN 0-394-50760-6.
  8. ^ Peattie, Donald Culross (1953). A Natural History of Western Trees. New York: Bonanza Books. p. 678.
  9. ^ Sideroxylon lanuginosum Michx. ssp. lanuginosum at Oklahoma Biological Survey
  10. ^ Bumelia lanuginosa at University of Florida

External links[edit]

Media related to Sideroxylon lanuginosum at Wikimedia Commons Data related to Sideroxylon lanuginosum at Wikispecies