Plantago Tweedyi
''Plantago tweedyi'', Tweedy's plantain, is a perennial herb in the Plantaginaceae, plantain family. It is native to the western United States, from New Mexico and Arizona north to Montana. Taxonomy ''Plantago tweedyi'' was described and published in 1886 by Asa Gray, who named it in honor of Frank Tweedy, the first to collect it. Tweedy's specimen, the holotype, is deposited in Gray Herbarium at Harvard. In 1976, ''Plantago tweedyi'' was reclassified as ''P. eriopoda'' var. ''tweedyi'' by Bernard Boivin. In the Flora of North America (2019), Shipunov recognizes it as a full species. Description ''Plantago tweedyi'' is a perennial herb to , from a stout taproot. Leaves are basal, lance-shaped, to long, glabrous (without hairs), and somewhat succulent or fleshy. Inflorescences are cylindrical brownish-to-greenish spikes to long, on scapes (stems) long. Flowers are tiny, to , densely clustered in the spikes. Capsules are long. Distribution ''Plantago tweedyi'' is native to ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Asa Gray
Asa Gray (November 18, 1810 – January 30, 1888) is considered the most important American botanist of the 19th century. His ''Darwiniana'' was considered an important explanation of how religion and science were not necessarily mutually exclusive. Gray was adamant that a genetic connection must exist between all members of a species. He was also strongly opposed to the ideas of hybridization within one generation and special creation in the sense of its not allowing for evolution. He was a strong supporter of Darwin, although Gray's theistic evolution was guided by a Creator. As a professor of botany at Harvard University for several decades, Gray regularly visited, and corresponded with, many of the leading natural scientists of the era, including Charles Darwin, who held great regard for him. Gray made several trips to Europe to collaborate with leading European scientists of the era, as well as trips to the southern and western United States. He also built an extensive ne ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]