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With fall leaves swirling about, there is no better time to understand some of ways botanists examine leaves to identify the plant from which they come. Certainly not exhaustive, these are just some of the common markers.
VENATION
Venation: The arrangement of veins in a leaf is called the venation pattern. Veins... 
Photo: H. Zell
(Creative Commons Attribution-Share Alike 3.0 Unported license.)
Some make wishes while blowing their seeds into the wind. Others eat them or use them in medicine. And others frown when they see them popping up on their lawns. These are dandelions, probably a plant that just about everyone can identify,... 
Photos: Larry Gilbert
At Brackenridge Field Lab, the Spanish Oaks (Quercus buckleyi) is found mainly in the old pasture zone. This tree is sometimes also called “Texas red oak” or “Buckley’s oak.”
The tree is native to Texas, Oklahoma, and Kansas. It grows on average between 30 to 50 feet tall. The largest known species grows right here in... 
Texas has eight species of juniper native to the state. Some prevent slope erosion, some play havoc with allergies, and some go into a gin made by Integrative Biology professor, Dr. Molly Cummings.
Dr. Cummings uses berries from two Texas junipers for two different gins made by WildGins Co., a gin company headquartered in Austin and run by Cummings... 
by Nicole Elmer and George Yatskievych (Botanist, Curator: Billie L. Turner Plant Resources Center)
Bald cypress (Taxodium distichum) is a deciduous conifer (cone bearing) in the family Cupressaceae. The genus consists of very distinctive trees. They can get very tall, growing up to 120 feet, with massive, lobed ... 
The National Science Foundation recently awarded the Billie L. Turner Plant Resource Center a new grant for approximately $817,000. The grant extends over four years to complete the digitization of more than 500,000 herbarium specimens collected in the states of Texas and Oklahoma and housed in the herbaria, as well as those of 10 partner instituti... 
The sugar hackberry or sugarberry (Celtis laevigata) is a very common tree species at Brackenridge Field Lab. The tree has distinctive warty, gray bark, sometimes turning tan in very old individuals. The leaves have asymmetrical bases, are tapered with sharply pointed tips, and smooth or toothed margins. These trees grow quite ta... 
For the observant visitor to the UT-Austin campus, the 40 Acres sometimes reveal botanical treasures. For example, not many local inhabitants are aware that the campus harbors native wild orchids. In recent weeks, the spring coral root orchids, Corallorhiza wisteriana have been experiencing an exceptionally good bloom.
Corallo... 
Fall is here in Central Texas, announcing its arrival through color. This time of seasonal change is a particularly vibrant time at Brackenridge Field Lab. Splashes of vivid yellow and red appear when Flame Sumac, Spanish Oak and Cedar Elm trees prepare to shed their leaves. But why do trees do this?
These new hues arise as trees begin breaki... 
This article first appeared in the History Project for the Department of Integrative Biology on March 13, 2017
Lundell Herbarium 1964 specimen of Hibiscus lasiocarpus Cav.
Few landmarks on the UT campus are as iconic as the Tower, visible to thousands daily as part of the Austin skyscape. Yet, not many people realize that eight... 
