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Wooly Buckthorn or the Gum BELLY. Bumelia lanuginose ( Michx .). Kingdom- Plantae (Plants) Subkingdom- Trachebionta (Vascular) Superdivision - Spermatophyta (Seed) Division- Magnoliophyta (Flowering) Class- Magnoliopsida ( Dicotyledons ) Subclass- Dilleniidae Order- Ebenales

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Wooly Buckthorn or the Gum BELLY

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Wooly buckthorn or the gum belly

Wooly Buckthorn or the Gum BELLY

Bumelia lanuginose (Michx.)

Wooly buckthorn or the gum belly

  • Kingdom-Plantae (Plants)

  • Subkingdom- Trachebionta (Vascular)

  • Superdivision- Spermatophyta (Seed)

  • Division- Magnoliophyta (Flowering)

  • Class-Magnoliopsida (Dicotyledons)

  • Subclass- Dilleniidae

  • Order- Ebenales

  • Family- Sapotaceae (Sapodilla)

  • Genus- Sideroxylon L. (bully)

  • Species-SideroxylonlanuginosumMichx. (gum belly)

Shape form type

Shape, Form, Type

Decuiduous tree.

Can grow 25’ to 40’ tall.

10’ to 30’ in width.

Can have a trunk diameter of 1’.

Branches reach close to the ground.

fig. 1

Wooly buckthorn or the gum belly


Rough and scaly bark.

Usually a brown-ish color.

Cut Bark exudes a milky sap.

fig. 2

fig. 3

Wooly buckthorn or the gum belly


Young twigs are light brown.

Old twigs turn a blackish gray.

The twig ends with a thorn.

Thorn is usually straight or slight curved about 2 cm.

fig. 4

Wooly buckthorn or the gum belly


Leaves are oblong and between 1” to 3” long.

Leaves are alternate.

Whorled on a spur shoot.

Rounded tip but come to a point at the bottom.

An evergreen color on top with a white fuzzy underside.

Leaves turn a yellow-green in the fall.

fig. 5

Wooly buckthorn or the gum belly


Buds grow in a whorled pattern on lateral spur shoots.

fig. 6



Flowers bloom in early summer.

Small white flowers.

2 to 3 mm long.

Bundle into cluster of sometimes twenty.

fig. 7



Blue or black berries that ripen in the fall.

Oval in shape.

On a stem about .5” long.

Fruit is edible by deer, birds, small animals, and humans.

fig. 8

Habitat and range

Habitat and Range

Native to the south eastern US.

Also found in eastern parts of Texas and Oklahoma.

Can grow in dry or open rocky areas.

It can also grow along streams and in swamps.

fig. 9

Wooly buckthorn or the gum belly


Little ornamental use.

More likely to be used along property lines.

Settlers children use to eat the sap from cut bark.

fig. 11


All information gathered June 24, 2010


Figure reference-

fig. 1-Tree. [Web]. Retrieved from http://www.sbs.utexas.edu/bio406d/images/pics/spo/Bumelia%20lanuginosa%20habitlarge.jpg

fig. 2-Bark. [Web]. Retrieved from http://www.cnr.vt.edu/dendro/dendrology/syllabus2/picts/Sideroxylon_lanuginosum_bark.jpg

fig. 3-Bark. [Web]. Retrieved from http://www.wildflower.org/gallery/result.php?id_image=21636

fig. 4-Twig. [Web]. Retrieved from http://swbiodiversity.org/images/vasc_herbarium_images/Sapotaceae/photos/Sideroxylon_lanuginosum_s_0.JPG

fig. 5-Leaf. [Web]. Retrieved from http://www.biosurvey.ou.edu/shrub/silal3.htm

fig. 6-Bud. [Web]. Retrieved from http://swbiodiversity.org/images/vasc_herbarium_images/Sapotaceae/photos/Sideroxylon_lanuginosum_s_0.JPG

fig. 7-Flower. [Web]. Retrieved from http://www.biosurvey.ou.edu/shrub/silal3.htm

fig. 8-Fruit. [Web]. Retrieved from http://www.cnr.vt.edu/dendro/dendrology/syllabus2/picts/Sideroxylon_lanuginosum_fruit.jpg

fig. 9-Map. [Web]. Retrieved from http://plants.usda.gov/java/profile?symbol=SILAL3

fig. 10-Leaves. [Web]. Retrieved from http://www.mobot.org/gardeninghelp/images/low/M830-0701051gk.jpg

Wooly buckthorn or the gum belly

All references found June 24, 2010

Website references

-Missouri plant finder. (2010). Retrieved from http://www.mobot.org/gardeninghelp/plantfinder/Plant.asp?code=M830

-Plants for a future. (n.d.). Retrieved from http://www.pfaf.org/database/plants.php?Bumelia+lanuginosa

-Sideroxylonlanuginosummichx. ssp. lanuginosum. (1999, September 9). Retrieved from http://www.biosurvey.ou.edu/shrub/silal3.htm

-Southwest environmental information network. (n.d.). Retrieved from http://swbiodiversity.org/seinet/taxa/index.php?taxon=610&taxauthid=1

-Texas a&m university system. (2010). Retrieved from http://uvalde.tamu.edu/herbarium/sila.htm

-Texas native plants database. (n.d.). Retrieved from http://aggie-horticulture.tamu.edu/ornamentals/natives/bumelialanuginosa.htm

-Usda plants. (2010, May 19). Retrieved from http://plants.usda.gov/java/ClassificationServlet?source=profile&symbol=SILAL3&display=31

-Virginia tech. (2010). Retrieved from http://www.cnr.vt.edu/dendro/dendrology/syllabus/factsheet.cfm?ID=929

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