Rodgersia
Kastanienblättriges record sheet ( Rodgersia aesculifolia )
Record sheets ( Rodgersia ) is a genus of flowering plants in the family Saxifragaceae ( Saxifragaceae ). It is only in eastern Asia is home: mainly in the Himalayas and adjacent high altitude areas.
Description
Vegetative characteristics
Rodgersia species grow as large, perennial herbaceous plants. They are creeping, cross elongating, provided with scales rhizomes as outlasting but no stolons. The large leaves are divided into petiole and leaf blade. The petioles are relatively long. The fiedernervigen leaf blades are composed of mostly finger-shaped three to nine, rarely ten Frond. The almost sessile Frond end in a point and have a significantly sawn edge.
Generative features
In a paniculate inflorescences part of zymösen total composite inflorescence stand without support or cover sheets together many flowers. The relatively small flowers are hermaphroditic and most fünfzählig. The most five (four to seven) outspread sepals are white or pink to red. There are usually no petals present, rarely one, two or five observed. There are one or two circles with usually five each, rarely seven stamens present. Two or three carpels are rarely up from constant to an almost constant above almost two to dreikammerigen ovary grown. There are many ovules available. There are two or three free pen available.
The two-or dreifächerigen capsule fruits contain many seeds.
The basic chromosome number is n = 15 Only Rodgersia podophylla is diploid and alone forms the section Rodgersia, but the other four species are tetraploid and together form the section sambucifolia JTPan.
Systematics and distribution
Rodgersia species are located only in eastern Asia, mainly in the Himalayas and adjacent high altitude areas. All five types are also available in China.
The genus was first published Rodgersia 1858 by Asa Gray in Memoirs of the American Academy of Arts and Science, Volume 6, Part 1, p 389. Type species is Rodgersia podophylla A.Gray.
The genus name honors Rodgersia U.S. Admiral John Rodgers, the leader of the expedition, was found in the Rodgersia podophylla in the 1850s. Since 1871 specimens of Rodgersia podophylla were shown in the U.S. and 1878 flourished the first copy in St. Petersburg. The last type Rodgersia described nepalensis 1966. The current state of the science is still the revision of Pan Jin -tang again in 1994.
The genus Rodgersia is divided into two section and contains five species. Here with all the varieties listed by the revision of Pan Jin -tang 1994:
- Section Rodgersia: With a kind: Gestieltblättriges record sheet ( Rodgersia podophylla A. Gray ): It is native to Japan, Korea and the Chinese provinces of Jilin, Liaoning.
- Kastanienblättriges record sheet ( Rodgersia aesculifolia Batalin ): It grows in forests and forest edges, thickets, meadows and in rocky crevices at altitudes 1100-3800 meters in Myanmar and the Chinese provinces of southeastern Gansu, Hebei, western Henan, western Hubei, southern Ningxia, Shaanxi, Sichuan, Xizang, Yunnan with two varieties: Rodgersia aesculifolia Batalin var aesculifolia
- Rodgersia aesculifolia var henrici ( Franchet ) CYWu ex JTPan
- Rodgersia pinnata pinnata var Franchet
- Rodgersia pinnata var strigosa J.T.Pan
- Rodgersia sambucifolia var estrigosa J.T.Pan
- Rodgersia sambucifolia J.T.Pan var sambucifolia
There is a hybrid gärterisch generated: Rodgersia × purdomii hort. from Rodgersia aesculifolia × Rodgersia pinnata.
Use
All species and some varieties are used as ornamental plants in the great moderates areas for parks and gardens.
Some Rodgersia varieties are: ' Atlasvlinder ', ' Baden Next', 'Eye-Catcher ', ' Bloody Mary' Rodgersia ' Borodin ', ' Cally Strain', 'Dark poker ', ' The Graceful ', ' Beauty ', ' The Proud ',' Eichkatzl ',' ivory tower ',' Fascination ',' Grizzly Bear ',' Hercules ', ' ideal ', ' Irish Bronze ', ' Joop Ploeger ', ' Koriata ', ' copper moon ', ' La Blanche ', ' pea green ', ' Parasol ', ' Reynard the Fox ', ' Rose light ', ' Rose corner ', ' Roter Turm ', ' Red Dwarf ', ' redhead '.
Little is known about the continued use by humans. There are reports that young leaves of Rodgersia podophylla be eaten.
Swell
- Pan Jintang & James Cullen: Rodgersia in the Flora of China, Volume 8, 2001, p 272: Online.