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Tomentose leaves and flowers. Cotyledon tomentosa is a perennial evergreen shrub, which is a member of the Crassulaceae family of succulent flowering plants. [7] C. tomentosa has red, orange, or yellow bell-shaped flowers between July and September, [12] [7] and there are two recognized subspecies, subsp. tomentosa and subsp. ladismithiensis.
Cotyledon species are grown as garden and indoor subjects, practically independent of irrigation in all but full desert conditions, though they cannot survive poor light or bad drainage. Pests that affect them include sucking bugs, members of the suborder Auchenorrhyncha such as the mealy bug ( Pseudococcus ), and similar insects.
The complete picture of long-term ecological effects from invasive pests is difficult to measure; and it is too early to determine the effects of the many new invasive pest introductions. Much of the research has focused of the biology of the pests—i.e. life cycle and host preferences—towards understanding how to contain their spread. [10]
List of cacao diseases; List of caneberries diseases; List of canola diseases; List of Capsicum diseases; List of carnation diseases; List of carrot diseases; List of cassava diseases; List of cattleya diseases; List of chickpea diseases; List of cineraria diseases; List of citrus diseases; List of coconut palm diseases; List of coffee diseases
Cotyledion tylodes is an extinct, stalked filter-feeder known from the Chengjiang lagerstatten.The living animal reached a couple of centimetres in height, and bore a loose scleritome of ovoid sclerites.
Dicotyledon plantlet Young castor oil plant showing its prominent two embryonic leaves (), which differ from the adult leaves. The dicotyledons, also known as dicots (or, more rarely, dicotyls), [2] are one of the two groups into which all the flowering plants (angiosperms) were formerly divided.
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Common Names of Diseases, The American Phytopathological Society Brunt A.A. (2005), Virus and Virus-like Diseases of Bulb and Flower Crops , John Wiley & Sons, New York 10158-0012, USA. Pp. 105–110.