Camellias arenīt my speciality, but I had searched for more information on this genus, and decided to share some of what I have found about them - at least, what I have in my bookmark list.
I found this japanese website featuring pictures of all kinds of Camellias. Different varieties, species, and hybrids are linked, which picture named after the species/hybrid/variety name. There must be thousands of pictures. http://www.ykanda.jp/clist.htm
This is the Camellia Expedition to China, organized by the Longwood Gardens (who hosts this webpage) and other institutions. They travelled across the chinese provinces of Sichuan, Yunnan, Hunan and Guangxi, searching for wild Camellias growing on the natural vegetation, traveling through mountains, grassfields, forests, and towns. Itīs also interesting how they cared to take note of the life in the small cities and their people http://www.longwoodgardens.org/Plants&Horticulture/PlantExploration/China2000/Intro.htm
This one os only for hardcore Camellia fans only. It is a complete description of all Camellias and other Theaceae native from China. Itīs a 200+ pages text with a heavy taxonomic language. It has a very useful identificantion key for all genera in that work, and as a curiosity, has the chinese name (with chinese characters) for every species. http://flora.huh.harvard.edu/china/mss/volume12/Theaceae-CAS_edited.htm
This italian website (partially translated) shows some of the beautiful italian cultivars of Camellia japonica (old and new ones), with pictures and a brief description in italian and english. There are also some curious informations on how the cultivars were bred. http://www.cln.it/camellia/
This page explains the main fungus deseases that aflict the Camellias and some hints on how to deal with them. Also provides a link to an article about Camellia Flower Blight, a fungus that can infect Camellias and kill their flowers (keeping the plant alive and healthy, though). http://www.med-rz.uni-sb.de/med_fak/physiol2/camellia/pest/blumen.htm
"Project Paracamellia", as the author defines, is a project to make species of the section Paracamellia (which includes C. sasanqua, C. oleifera, C. vernalis, and others) more popular, since they are more sun and root rot resistant. Since the flowers are not as atractive as C. japonica, they are trying to create new atractive cultivars and hybrids from the Camellia species cited above. http://www.panchul.com/project_paracamellia/
When we moved to Thomasville last August, I fell in love with Camelias and none were on my property, so I planted 4 "babies". So far they are doing well with the exception of the one in the photo. I sprayed last week in the hopes of seeing some improvement. Any suggestions?
Raelil, I tried to find information about what could be happening to that plant. Although that plant looks healthy, I noticed that some leaves were damaged by bugs, I believe. I can only guess that it could be attacked by insects (underground, maybe), or it could be taking too much sun light.
"Camellia nitidissimia (zone 9) The Yellow Camellia is actually just one of many yellow Camellias but this is the best known. The flowers are a bright yellow and the petals are thick and waxy. The flower buds are spherical like C. sinensis and these open to small flowers which hang down all along the stems. C. nitidissimia is found in Guangxi province of southern China where there is very little frost and probably can only be grown outdoors in central Florida or California. The foliage is fairly large with indented veins and a glossy upper surface. This species is the parent of several yellow hybrids after decades of work by many people around the world."
Is this similar to the one you read about?
I hope that the yellow-blossomed variety availability increases. That would be a nice variation for the garden!
There are around 80 species of Camellia, and as far as I know, around 10 or 15 of them are yellow. My memory tells me of C. nitidissima, C. chrysantha, C. petelotii and C. flava, with pure yellow flowers. They are seldon seen on sale, but they are mostly used for hybrids with Camellia japonica, because the big and pretty flowers of the Japanese Camellia lack completely of the yellow color.
Camellia chrysantha has a curious story. It was first discovered in 1965, in southern forests of China. Until then, it was only a legend, the "Golden Camellia", just a dream, but a dream that became true.