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(Vol. 01, 1998-05) Texas Species of Glandularia (Verbenaceae)
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
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. 01, 1998-05) A New Species of Ageratina (Asteraceae: Eupatorieae) from Northwestern Oaxaca
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 Thenardia H.B.K. (Apocynaceae, Apocynoideae)
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
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
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) A Revision of Pomaria (Fabaceae) in North America
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) Systematic Implications of DNA Restriction Site Variation In Hymenoxys and Tetraneuris (Asteraceae, Helenieae, Gaillardiinae)
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 ...