Annelids-In earthworms, respiration is through the skin, but gills are used to exchange oxygen and and carbon dioxide in other types of annelids. Arthropoda-Some arthropods have gills and some have a tracheal system to obtain oxygen and then get rid of carbon dioxide.nnelids-In earthworms, respiration is through the skin, but gills are used to exchange oxygen and and carbon dioxide in other types of annelids. Arthropoda-Some arthropods have gills and some have a tracheal system to obtain oxygen and then get rid of carbon dioxide.
Cistus, with its many hybrids and cultivars, is commonly encountered as a garden flower. The common name rockrose is applied to the species, a name also shared by the related genera Halimium, Helianthemum and Tuberaria, all in the family Cistaceae. The common name gum cistus is applied to resin-bearing species, especially C. ladanifer.
Email. Moss Roses. From Brent Dickerson: These roses, originally a sport of the Centifolia, bear on their flower-stems and sepals a mutation of the glands making it appear as if a green or reddish-brown moss were growing there, adding a unique delicacy to the buds.rom Brent Dickerson: These roses, originally a sport of the Centifolia, bear on their flower-stems and sepals a mutation of the glands making it appear as if a green or reddish-brown moss were growing there, adding a unique delicacy to the buds.