Growing and Collecting Cacti
16.02.2024 - 21:29
/ backyardgardener.com
/ Frederick Leeth
The growing and collecting of cacti has been a popular hobby in this country for many years. Their varied shapes and colors together with the colored spines make them fascinating and their spectacular flowers are an added interest for the grower. Some of the larger types may not flower in this country owing to the lack of intense sunshine, but many hundreds of other species should flower every year.
Some species flower the year after the seed has been sown, while very many more can produce flowers within two years. As the native habitats of these plants are arid regions it is essential that they be allowed all the sunshine possible to enable them to grow at their best. Most cacti come from Mexico and the southern States of the USA, and also from many countries in South America, including Peru, Paraguay, Uruguay, Chile and Brazil. A few are found in the West Indies but none in Africa, India or anywhere in the east.
Defining cacti All cacti are succulents but not all succulents are cacti. Spines are found on all true cacti and these spines grown from a small tuft of hair or wool. This is known as an areole and no other plant has it. No cacti have leaves except the genus Pereskia. This plant has areoles and leaves and also a multiple flower, unlike true cacti which have a simple or single flower. The flowers of cacti have no stem or stalk, the ovary being connected directly with the plant. Exceptions to this rule are the pereskias.
The flowers of most cacti are formed at the areole but a few genera produce flowers away from this point. Plants of the genus Mammillaria produce their flowers at the axil, the spot between the tubercles. This genus also makes new plants or offsets at the axil as well, whereas most cacti make
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