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Hymenoxys Texana
''Hymenoxys texana'' is a rare species of flowering plant in the Asteraceae, aster family known by the common names prairie dawn, Texas prairie dawn-flower, and Texas bitterweed. It is Endemism, endemic to Texas, where it is known only from the general vicinity of Houston, Texas, Houston. It is threatened by the loss of its habitat. It is a federally listed endangered species of the United States. ''Hymenoxys texana'' is an annual herb with delicate reddish or purplish stems growing only 10 or 15 centimeters (4-6 inches) tall. The leaves have rubbery, glandular blades which may be simple or divided into lobes, particularly at mid-stem. The inflorescence is a solitary Head (botany), flower head or an open cluster of several heads. Each head is under a centimeter wide and has 6 to 8 yellow ray florets each 2 or 3 millimeters long. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Joseph Nelson Rose
Joseph Nelson Rose (January 11, 1862 – May 4, 1928) was an American botanist. He was born in Union County, Indiana. His father died serving during the Civil War when Joseph Rose was a young boy. He later graduated from high school in Liberty, Indiana. He received his Ph.D. in Biology from Wabash College in 1889. having received his B.A. in Biology and M.A. Paleobotany earlier at the same institute. He married Lou Beatrice Sims in 1888 and produced with her three sons and three daughters. Rose worked for the U.S. Department of Agriculture and became an assistant curator at the Smithsonian in 1896. While Rose was employed by the national museum, he was an authority on several plants families, including Apiaceae (Parsley Family) and Cactaceae (Cactus Family). He made several field trips to Mexico, and presented specimens to the Smithsonian and the New York Botanical Garden. With Nathaniel Lord Britton, Rose published many articles on the Crassulaceae. He took a leave of abs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
