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Browse the Botanical Definitions

In addition to searching through the individual botanical definitions you may now benefit also from browsing the extensive information gleaned through our research. This list has been compiled in alphabetic order according to the genus or species..

To browse the definitions please click on one of the buttons below to see the section under that letter. In some cases there may be no words under a particular letter.

 

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Definitions
tomentosum means 'densely woolly, hairy or matted hairy'. [See Cerastium tomentosum, Chondrodendron tomentosum, Pelargonium tomentosum.]

tonkinensis means 'of or from Bac Ky or northern Vietnam (known when part of French Indochina as Tonkin or Tongkin or Tongking)'. [See Styrax tonkinensis.]

Toona [genus name] is a corruption of a local (possibly Indian) name toon. [See Toona.]

Torreya [genus name] commemorates a celebrated American chemist, physician, botanist and writer, Dr. John Torrey (1796-1873). Although he made a living primarily as a Professor of Chemistry his prime interest was always botany. He taught chemistry (with mineralogy and geology) from 1824-1827 at the United States Military Academy, West Point, from 1827-1853 through the College of Physicians and Surgeons in New York (now part of Columbia University Medical Center) and at the same time (with botany) from 1832 at New York University. Additionally from 1853 until 1873 he was Assayer of the New York Mint. Despite his professional duties, he managed to compile, collaborate in and write many important works, including A Catalog of the Plants Growing Within Thirty Miles of New York, A Compendium of the Flora of the Northern and Middle States and in collaboration with his then student (and later colleague and lifelong friend who would become an acclaimed American botanist), Asa Gray (1810-1888), the earlier sections of Flora of North America. He adopted the English John Lindley's classification system of arranging plants by families instead of the by then widely used Linnaeus model and described hundreds of plant specimens collected by many of the plant explorers in North America. He was not only a President of AAAS (The American Association for the Advancement of Science) and, on two occasions, President of NYAS (New York Academy of Sciences then known as Lyceum of Natural History of New York) but also founder of the Torrey Botanical Club (now the Torrey Botanical Society). [See Torreya.]

torreyana commemorates a celebrated American chemist, physician, botanist and writer, Dr. John Torrey (1796-1873). Although he made a living primarily as a Professor of Chemistry his prime interest was always botany. He taught chemistry (with mineralogy and geology) from 1824-1827 at the United States Military Academy, West Point, from 1827-1853 through the College of Physicians and Surgeons in New York (now part of Columbia University Medical Center) and at the same time (with botany) from 1832 at New York University. Additionally from 1853 until 1873 he was Assayer of the New York Mint. Despite his professional duties, he managed to compile, collaborate in and write many important works, including A Catalog of the Plants Growing Within Thirty Miles of New York, A Compendium of the Flora of the Northern and Middle States and in collaboration with his then student (and later colleague and lifelong friend who would become an acclaimed American botanist), Asa Gray (1810-1888), the earlier sections of Flora of North America. He adopted the English John Lindley's classification system of arranging plants by families instead of the by then widely used Linnaeus model and described hundreds of plant specimens collected by many of the plant explorers in North America. He was not only a President of AAAS (The American Association for the Advancement of Science) and, on two occasions, President of NYAS (New York Academy of Sciences then known as Lyceum of Natural History of New York) but also founder of the Torrey Botanical Club (now the Torrey Botanical Society). [See Pinus torreyana.]

tortuosa is Latin (twisted, turned, full of turns and windings) meaning 'very twisted'. [See Acacia tortuosa.]

torulosa means 'cylindrical with bulges and constrictions'. [See Cupressus torulosa.]

toxicaria is derived from Greek and Latin toxicum (arrow poison) meaning 'poisonous'. [See Antiaris toxicaria.]

toxicodendron is derived from Latin toxicum (arrow poison) and dendro- (tree) components meaning 'poisonous tree'. [See Rhus toxicodendron.]

Tragopogon [genus name] is derived from Greek trago- (he-goat) and pogon- (beard) components with reference to the dandelion-like 'clock' (seed head) that forms after the flowers. [See Tragopogon.]


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