Ruellia humilis
Encyclopedia
Ruellia humilis
Ruellia humilis (Fringeleaf wild petunia, Plains petunia, Fringeleaf Ruellia, Hairy Ruellia, Low Ruellia, Zigzag Ruel; (syn. Ruellia ciliosa Pursh var. longiflora Gray
Samuel Frederick Gray
Samuel Frederick Gray was a British botanist, mycologist, and pharmacologist. He was the father of the zoologists John Edward Gray and George Robert Gray.-Background:...

, Ruellia humilis Nutt. var. calvescens Fern., Ruellia humilis Nutt. var. depauperata Tharp
Tharp
Tharp is a surname, and may refer to:*Aran Tharp , American avant-garde musician*Carol Baker Tharp , American executive director*Kenneth Tharp , English dance artist...

 & Barkl., Ruellia humilis Nutt. var. expansa Fern., Ruellia humilis Nutt. var. frondosa Fern., and Ruellia humilis Nutt. var. longiflora (Gray
Samuel Frederick Gray
Samuel Frederick Gray was a British botanist, mycologist, and pharmacologist. He was the father of the zoologists John Edward Gray and George Robert Gray.-Background:...

) Fern.) is an ornamental plant
Ornamental plant
Ornamental plants are plants that are grown for decorative purposes in gardens and landscape design projects, as house plants, for cut flowers and specimen display...

  native of cerrado
Cerrado
The Cerrado, is a vast tropical savanna ecoregion of Brazil, particularly in the states of Gioas and Minas Gerais...

 vegetation
Vegetation
Vegetation is a general term for the plant life of a region; it refers to the ground cover provided by plants. It is a general term, without specific reference to particular taxa, life forms, structure, spatial extent, or any other specific botanical or geographic characteristics. It is broader...

 of Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, and of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, where it is endangered. This plant is cited in Flora Brasiliensis
Flora Brasiliensis
Flora Brasiliensis is a book published between 1840 and 1906 by the editors Carl Friedrich Philipp von Martius, August Wilhelm Eichler, Ignatz Urban and many others...

 by Carl Friedrich Philipp von Martius
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...

.

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