Penstemon


 
 

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Penstemon is a large genus of North American (and East Asian) plants traditionally placed in the Scrophulariaceae family. Due to new genetic research it has now been placed in the vastly expanded family Plantaginaceae.

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They have opposite leaves, two-lipped flowers and seed capsules. They are also called beardtongues, after the general appearance of an open mouth with a fuzzy tongue protruding.

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The one Asiatic species previously treated in Penstemon is now considered a separate genus. This leaves Penstemon a mostly Nearctic genus, with a few Neotropical species. Penstemons are ideal for xeriscape landscaping, as many thrive in desert regions.

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;Species

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Genus: :...

North America: North America is a continent in the northern hemisphere, bordered on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the south by the Caribbean Sea, and on the west by the North Pacific Ocean. It covers an area of 9,355,000 square miles (24,230,000 square kilometers). In 2...

Asia: Asia is the central and eastern part of Eurasia and world's largest continent. Defined by subtracting Europe from Eurasia, Asia is either regarded as a landmass of its own or as part of Eurasia....

~ Table of Content ~

►Introduction
 


 

~ Related Subjects ~

Asia (2) - Europe (2) - Continent (2) - Atlantic Ocean (1) - Arctic Ocean (1) - Caribbean Sea (1) - Eurasia (1) - Africa (1) - Pacific Ocean (1) - Scrophulariaceae (1) - North America (1) - Genus (1) - Plantaginaceae (1) - Capsule (1) - Seed (1) -
 

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