Penstemon centranthifolius
Encyclopedia
Penstemon centranthifolius is a species of penstemon
Penstemon
Penstemon , Beard-tongue, 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...

 known by the common name scarlet bugler. It is native to California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 and parts of Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

, where it grows in many types of dry habitat from coast to desert, such as chaparral
Chaparral
Chaparral is a shrubland or heathland plant community found primarily in the U.S. state of California and in the northern portion of the Baja California peninsula, Mexico...

 and oak woodland.

Description

Penstemon centranthifolius is a perennial herb with many straight, hairless, erect branches which may exceed one meter in maximum height. The thick, untoothed leaves may be up to 10 centimeters long and are arranged oppositely, with some pairs fused together about the stem. The top of the stem is occupied by a long inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

 bearing narrow tubular flowers with small projecting lobes at the lips, the longest flowers 3 centimeters long. The flowers are bright red to orange-red and hairless all over, including the staminode
Staminode
In botany, a staminode is an often rudimentary, sterile or abortive stamen. This means that it does not produce pollen. Staminodes are frequently inconspicuous and stamen-like, usually occurring at the inner whorl of the flower, but are also sometimes long enough to protrude from the...

.

Hybrids

This species commonly hybridizes with Showy penstemon (Penstemon spectabilis)
Penstemon spectabilis
Penstemon spectabilis is a species of penstemon known by the common name showy penstemon. It is native to southern California and Baja California, where it grows in the chaparral, scrub, and woodlands of the coastal mountain ranges.-Description:...

, a species with wide-mouthed purple-blue flowers, to produce a penstemon with pinkish-purple flowers which is intermediate in size named Penstemon × parishii.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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