Macrosiphonia
Encyclopedia
Macrosiphonia is a genus of flowering plant
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

s in the dogbane
Apocynum
Apocynum, commonly known as Dogbane and Indian Hemp, is a genus of the plant family of the Apocynaceae with seven species. From the Greek: apo, away; cyno, dog, attributed to its toxicity...

 family, Apocynaceae
Apocynaceae
The Apocynaceae or dogbane family is a family of flowering plants that includes trees, shrubs, herbs, and lianas.Many species are tall trees found in tropical rainforests, and most are from the tropics and subtropics, but some grow in tropical dry, xeric environments. There are also perennial herbs...

. The name is derived from the Greek
Greek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 words μακρός (makros), meaning "large," and σίφων (siphon), meaning "tube." It refers to the shape of the flowers. Members of the genus are commonly known as rocktrumpets.

Selected species

  • Macrosiphonia brachysiphon (Torr.) A.Gray
    Asa Gray
    -References:*Asa Gray. Dictionary of American Biography. American Council of Learned Societies, 1928–1936.*Asa Gray. Encyclopedia of World Biography, 2nd ed. 17 Vols. Gale Research, 1998.*Asa Gray. Plant Sciences. 4 vols. Macmillan Reference USA, 2001....

    – Huachuca Mountain Rocktrumpet
  • Macrosiphonia hypoleuca (Benth.
    George Bentham
    George Bentham CMG FRS was an English botanist, characterized by Duane Isely as "the premier systematic botanist of the nineteenth century".- Formative years :...

    ) Müll.Arg.
    Johannes Müller Argoviensis
    Johannes Müller Argoviensis was the name used by the Swiss botanist Johann Müller . He was the monographer of Resedaceae, Apocynaceae and Euphorbiaceae in A. P. de Candolle's Prodromus and Martius's Flora Brasiliensis. He was also an authority on lichens.-References:...

    – Davis Mountain Rocktrumpet
  • Macrosiphonia lanuginosa (Mart.
    Carl Friedrich Philipp von Martius
    Carl Friedrich Philipp von Martius was a German botanist and explorer.Martius was born at Erlangen, where he graduated M.D. in 1814, publishing as his thesis a critical catalogue of plants in the botanic garden of the university...

     & Gal.) Hemsl.
    William Hemsley (botanist)
    William Botting Hemsley was an English botanist and 1909 Victoria Medal of Honour recipient....

    – Plateau Rocktrumpet
  • Macrosiphonia martii Müll.Arg.

External links

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