Browsing by Department "Billie L. Turner Plant Resources Center"
Now showing items 1-20 of 114
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The University of Texas at Austin Campus Trees and Plants
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(Vol. 01, 1998-05) A New Species of Ageratina (Asteraceae: Eupatorieae) from Northwestern Oaxaca
(1998-05)Fieldwork in connection with the project to document the flora of the Mixteca Alta region of the state of Oaxaca has resulted in the discovery of a new species in the district of Juxtlahuaca, Ageratina juxtlahuacensis. Its ... -
(Vol. 01, 1998-05) A Revision of Pomaria (Fabaceae) in North America
(1998-05)The genus Pomaria, described by Cavanilles in 1799 but subsequently submerged in either Caesalpinia or Hoffmannseggia, is treated here as a distinct genus and the North American species are revised. This revision provides ... -
(Vol. 01, 1998-05) A Revision of Thenardia H.B.K. (Apocynaceae, Apocynoideae)
(1998-05)A revision of the Mexican genus Thenardia H.B.K. is presented. Three species are here recognized: T. chiapensis J. K. Williams, T. floribunda H.B.K., and T. galeottiana Baillon. A complete account of synonymy, and typification ... -
(Vol. 01, 1998-05) Ocotea Heribertoi (Lauraceae), a New Species of Rain Forest Canopy Tree from the Isthmus Of Tehuantepec, Mexico
(1998-05)Ocotea heribertoi is a remarkable new species from very high precipitation rain forests of the Chimalapa-Uxpanapa region of the Isthmus of Tehuantepec in Oaxaca and Veracruz, Mexico. It sports the largest known globose ... -
(Vol. 01, 1998-05) Pavonia Paneroi (Malvaceae) A New Species From Puebla, Mexico
(1998-05)A new shrubby species of Pavonia (Malvaceae) from Puebla, Mexico is described and placed in taxonomic context within the genus. Its nearest ally is P. chlorantha from the states of Guerrero and Mexico. -
(Vol. 01, 1998-05) Systematic Implications of DNA Restriction Site Variation In Hymenoxys and Tetraneuris (Asteraceae, Helenieae, Gaillardiinae)
(1998-05)Generic delimitation in the Hymenoxys complex has long been problematic. One taxonomic extreme would recognize only Hymenoxys, whereas the other would split the obviously related taxa into as many as eight genera. This ... -
(Vol. 01, 1998-05) Texas Species of Glandularia (Verbenaceae)
(1998-05)Eight species of Glandularia are recognized as native to Texas: G. bipinnatifida (having two morphogeographical infraspecific categories, G. b. var. bipinnatifida and G. b. var. ciliata [Benth.] B. L. Turner, comb. nov.); ... -
(Vol. 01, 1998-05) The Texas Plant Collections of Mary Sophie Young
(1998-05)Mary S. Young (1872-1919) was one of the first botanists at the University of Texas. Her specimens from different parts of Texas greatly expanded the her barium collections of the university and her exchanges with other ... -
(Vol. 02, 1999-12) A New Species of Tintinnabularia (Apocynaceae, Apocynoideae) from Honduras, with Taxonomic Notes
(1999-12)A new species from Honduras, Tintinnabularia murallensis, is described and illustrated. The new species broadens the current circumscription of the genus. An illustration of the new species is provided, as is a distribution ... -
(Vol. 02, 1999-12) A Reevaluation of the Mexican Species of Glandularia (Verbenaceae)
(1999-12)Umber (1979) provided a brief overview of Glandularia for North America. In this treatment he recognized 21 taxa as occurring in Mexico (excluding the widely cultivated G. pulchella), 19 species, with two of these (G. ... -
(Vol. 02, 1999-12) A Revision of Hoffmannseggia (Fabaceae) in North America
(1999-12)Hoffmannseggia, a genus of the Caesalpinieae, Caesalpinioideae, has been treated as a synonym of Caesalpinia or as a distinct genus with as many as 25 species. Recent molecular and morphological work has provided strong ... -
(Vol. 02, 1999-12) A Taxonomic Treatment of Sida Sect. Ellipticifoliae (Malvaceae)
(1999-12)A taxonomic treatment of Sida L. sect. Ellipticifoliae Fryxell is presented in which eight species and two varieties are recognized. Brief descriptions, a key to species, distribution maps, illustrations, and notes on ... -
(Vol. 02, 1999-12) Heterocentron Chimalapanum (Melastomataceae): A New Species from Oaxaca, Mexico
(1999-12)Heterocentron chimalapanum, an unusual species from the dense cloud scrub forest of the Chimalapa region of the Isthmus of Tehuantepec in Oaxaca, Mexico, is described and illustrated. Most closely related to H. elegans, ... -
(Vol. 02, 1999-12) Sterculia Xolocotzii (Sterculiaceae), A New Species Of Rain Forest Canopy Tree From The Isthmus Of Tehuantepec, Mexico
(1999-12)The new species Sterculia xolocotzii represents the second native New World Sterculia species with palmately compound leaves to be described, the first being S. mexicana R. Br. Sterculia xolocotzii is known only from Mexico, ... -
(Vol. 02, 1999-12) Studies in the Genus Dyschoriste (Acanthaceae): L. Plants of Northern Mexico, Texas to Arizona
(1999-12)A systematic treatment of Dyschoriste (Acanthaceae) of northern Mexico, Arizona, and Texas is provided. The taxa show few unique characteristics; taxonomy is largely based on differences in vestiture and growth habit; ... -
(Vol. 02, 1999-12) Taxonomy and Phylogeny of a Gulf Coast Disjunct Group of Spigelia (Loganiaceae Sensu Lato)
(1999-12)We reconstructed phylogenies of populations of three closely related species of Spigelia (Loganiaceae sensu la to) to test hypotheses about relationships and taxonomic boundaries. The species studied occur in the southeastern ... -
(Vol. 02, 1999-12) Warnock's Law - A Tribute
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(Vol. 03, 2000-12) Hoffmannseggia Humilis, The Correct Name for H. Gladiata (Fabaceae)
(2000-12)In order to correct an error in the recently published revision of Hoffmannseggia in North America, the correct nomenclature for H. humilis is provided.
