Sarracenia flava
Sarracenia flava
The Yellow pitcher plant ( Sarracenia flava) is a species in the family of Pitcher plants. The species is carnivorous and is home to the North American East Coast.
Features
The Yellow pitcher plant is regarded as a morphologically very variable species, especially the colors of the tubes can of pure light green to reddish nervierte or patterned shapes to almost completely dark red rich plants. The creeping rhizome is strong and elongated. The hoses of the type can be up to about 1 meter high at individual plants, but the normal size varies between 40 and 70 centimeters. You stand upright and are tubular, the lower and middle range are slim, the upper portion funnel-shaped, is widening towards the opening up to 12 inches in diameter. Of standing upright on a column cover is almost circular, bearing at the outermost end of a thread-like top and may have a diameter of up to 20 centimeters. Along the hose runs on a approach up to 8 millimeters wide, up, up to 2 mm width verschmälernde Ala. Over the summer, the plants form additionally sword-shaped, non- carnivorous phyllodes, which are 20-40 inches long.
The flowering period extends from mid-March to early May and precedes the time of the formation of new hoses, the flowers smell like cat urine. The flowers measure 4-7 inches in diameter. The sepals are colored green, the bright yellow, sometimes bright red veined or spotted petals are 3-5 inches long, strap -shaped and rounded at the extremity. The stamp is an umbrella shape.
Dissemination
The Yellow pitcher plant grows mainly in swamps of the coastal plains of the southeastern United States from the extreme southeast Virginia (where they up to the rediscovery of individual small remnant populations already thought to be extinct ) over North Carolina, South Carolina, Georgia, the western Florida to southeastern Alabama. A single isolated population is found in North Carolina and away from the coast, in the Piedmont.
The species is a savanna plant, but is also found in other wetlands, sometimes even in bogs.
Status and risk
How many hose plant species is endangered yellow pitcher plant, since the 1950s, numerous large and old stocks are particularly lost, including populations that dragged on for several acres. Important influences are transforming the locations for agricultural purposes or settlements; especially near roads verdriftete weedkillers; invasive species such as kudzu or the desires of plant collectors. The Yellow pitcher plant is listed in Appendix II of the CITES Convention.
Systematics and botanical history
The species was already recorded in his Species Plantarum by Carolus Linnaeus in 1753, the species name " flava " comes from the Latin " flavus ", meaning " yellow ", which refers to the color of the hoses as the flowers. There are described in the following varieties:
- Sarracenia flava var atropurpurea: hoses inside and deep red
- Sarracenia flava var cuprea: Deep copper color of the outer cover
- Sarracenia flava var maxima: Pure green hoses, regardless of the name of normal size
- Sarracenia flava var ornata: Strong red nervierte hoses from green color
- Sarracenia flava var rubricorpora: hoses outside pure red, green cover and hose Affairs
- Sarracenia flava var rugelii: Very large, pure green hoses, with a red throat patch