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Dallas Chapter

April Mtg – 4-18-22 John Watts

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Our April meeting will be a virtual and in-person hybrid gathering.  You can join us at the Gaston Christian Center (8515 Greenville Avenue, Dallas, TX 75243) or over Zoom on Monday, April 18th at 6:30 for social time, 7:00 for quick announcements, then our program, “’Natural Born Botanist – Insects make the best botanists.’ Learn about how to identify flowering plants to family and how insects can help you narrow down what the plant is that they are on.” with John Watts, Entomologist at Texas Discovery Garden.  You may use this direct link to connect – no registration required:

https://us02web.zoom.us/j/84367936330?pwd=M25kZU9MNGYvR1EzT1Y3MHlKT1RzZz09

John Watts was born and raised in north Florida (Jacksonville) where he developed an early interest in insects and began studying them at six years of age.  He had hundreds of acres of woods and swamps directly behind his house where he spent most of his free hours exploring. John received his masters degree in entomology from the University of Florida where he specialized on insect husbandry. It was also in college that he began a lifelong interest in the biology and systematics of leaf beetles (Chrysomelidae). As a collector of insects, he took it upon himself to learn about plants and became an avid gardener both for food and for wildlife, especially pollinators. John’s professional career started at the Cockrell Butterfly Center at the Houston Museum of Nature and Science and has been in the live butterfly exhibit business ever since. He spent 7 years at the Butterfly Pavilion and Insect Center in Westminster, Colorado before settling in Dallas. With over 20 years of experience and an inordinate fondness for nature in general John gladly shares his wealth of knowledge at Texas Discovery Gardens.

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About the Region

New Braunfels, the location of our Fall 2024 Symposium, straddles both the Edwards Plateau Ecoregion and the Blackland Prairie ecoregion. Interstate 35 divides the city of New Braunfels; its path through the city closely parallels the boundary of these two ecoregions, with the Edwards Plateau on the west side and the Blackland Prairies region to the east. The Edwards Plateau area is also called the Hill Country; however, this general term covers a much larger area extending farther north. Spring-fed creeks are found throughout the region; deep limestone canyons, rivers, and lakes (reservoirs) are common. Ashe juniper is perhaps the most common woody species found throughout the region. Additional woody species include various species of oak, with live oak (Quercus fusiformis) being the most common. Sycamores (Platanus occidentalis) and bald cypress (Taxodium distichum) border waterways. This area is well known for its spring wildflower displays, though they may be viewed in spring, late summer, and fall, as well. According to Texas Parks and Wildlife, average annual rainfall in the Edwards Plateau ranges from 15 to 34 inches.

The Blackland Prairie extends from the Red River south to San Antonio, bordered on the west by the Edwards Plateau and the Cross Timbers, and on the east by the Post Oak Savannah. Annual rainfall averages 30 to 40 inches, with higher averages to the east. This region is dominated by prairie species. The most common grass species include little bluestem (Schizachyrium scoparium) and Indian grass (Sorghastrum nutans) in the uplands and switchgrass (Panicum virgatum) in the riparian areas and drainages. Common herbaceous flowering plants include salvias, penstemons, and silphiums. This area has suffered greatly from overgrazing and agricultural use. Few intact areas remain, though many of the plants can be found along county roadsides throughout the region.

Our four host chapters (New Braunfels, Lindheimer, Guadalupe, and the Hill Country chapters) are located in one or both of the ecoregions above. However, the eastern portion of Guadalupe County also falls within the Post Oak Savanna ecoregion. Annual rainfall averages 35 to 45 inches, with higher averages to the east. A wide variety of hardwood trees are found, including several species of oaks, elms, and in the Bastrop area, loblolly pine (Pinus taeda). Grasses and forbs dominate in the open savannas, with most common grass being little bluestem. Ranching, agriculture, and fire suppression have allowed woody species to encroach on the once-open savannas.

Source: Wildflowers of Texas by Michael Eason