Cotyledonis a genus of ten metal money of perennial shrubbysucculentswith numerous varieties and cultivars . Mostly from SouthernAfrica , they also hap throughout the drier part of Africa as far north as the Arabian peninsula . Cotyledonhas been a catch - all genus , including species fromEcheveria , Rosularia , Tylecodon , andUmbilicus , which are now all grouped on an individual basis . Tölken ( 1978 ) separated 47 mintage ofTylecodonwith seasonal , spirally arranged leaves fromCotyledonwith recurrent leaves . The nameTylecodonis an anagram ofCotyledon .
The genus members are generally succulent shrublet with fleshily woody , brittle stem and persistent fleshy foliage . The leaves are opposite . Leaf pair are typically orient at 90 degrees to their preceding and keep an eye on pairs , as is common in thefamilyCrassulaceae , but the leaf habit differs . They are wide-ranging in coming into court , but all have cannular blossom with curled tips typically colored orange or coral pink . They bloom mostly in summertime .
cotyledon generally colonize rocky ground and cliff faces , a hint that they prize well - drained conditions in cultivation . The sarcoid leaves of some species ( Cotyledon ladismithiensis ) are slightly puberulent or farinose ( Cotyledon orbiculata ) .
Cotyledon pendens in San Remo, Western Australia, Australia. Photo by Suda SM. Used with permission. All rights reserved.
These works should be consider toxicant , as they are tight link up toTylecodons .
Cotyledons can be divided into two group . One mathematical group comprise of evergreen plants with a summer growing period . The other group comprises deciduous flora , splendidly brilliant with gravid , solid , fleshy stem . The 2d group grows during the winter and sheds its leave-taking during the summertime .
seed leaf require a free - draining soil mix and plentifulness of sunlight . If kept dry , they tolerate coolheaded , hoar - free condition during the winter . Some require pruning to keep an attractive contour .
As succulents go , seed leaf certainly are reinforce garden and indoor subjects , practically autonomous of irrigation in all but full desert conditions . However , they can not survive poor light or unsound drain .
Feed them once or twice during the grow season with a fertilizer specifically formulated forsucculents(poor in nitrogen ) , including all micronutrients and hint elements diluted to ½ the strength recommended on the label .
Though not striking , Cotyledons are elegantly cosmetic and often interesting in flesh . In addition , the inflorescence of the larger species often make fine component of dried arrangements in floral innovation .
Their main enemies aresucking bugs .
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