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1. acanthocalycium (Phocagallery / acanthocalycium) Habitat: Argentina. Description: a genus of globular or cylindrical cacti. The flowers have a scaly tube and are borne at the top. Soil: basic mix. Location: full sun and plenty of air circulation. ... 2. aizoaceae (Phocagallery / aizoaceae) Habitat: mainly South Africa although they also occur in Madagascar, Horn of Africa, Arabian peninsula, Island of Elba, Australia and New Zealand. Description: the Aizoaceae (Rudolphi) family of ... 3. ancistrocactus (Phocagallery / ancistrocactus) Habitat: Mexico, Texas. Description: globular, sometimes upright cylindrical, cacti with big areoles each of them bearing a central hooked spine; they may develop a taproot. The diurnal flowers are borne ... 4. aporocactus (Phocagallery / aporocactus) Habitat: Mexico. Description: this epiphytic genus is commonly referred to as ‘rat’s tail cactus’ because of the long, slender stems of the plants. They produce purplish red flowers ... 5. ariocarpus (Phocagallery / ariocarpus) Habitat: Texas, New Mexico, Northern Mexico. Description: they have a short stem with hard, large tubercles and a fleshy taproot. The white, pink or purple flowers arise from the centre. They are adapted ... 6. asclepiadaceae (Phocagallery / asclepiadaceae) Tribes: PERIPLOCEAE, CYNANCHEAE, MARSDENIEA, CEROPEGIEAE, STAPELIEAE. Habitat: they occur in a wide range of climates, from temperate to subtropical or tropical regions and even deserts; semi-arid regions ... 7. asphodelaceae-hyacinthaceae (Phocagallery / asphodelaceae-hyacinthaceae) Habitat: South Africa, Madagascar, Malawi, Australia, America, Arabian Peninsula, Socotra. Description: a family of monocotyledonous plants comprising about 500 species, mostly herbaceous perennials, ... 8. astrophytum (Phocagallery / astrophytum) Habitat: Mexico, Texas. Description: cacti with globular but more often columnar stems which may have four to eight ribs (up to ten as the plants grow older) and be covered with a variable number of ... 9. aylostera (Phocagallery / aylostera) Habitat: mountainous regions of South America, particularly in Bolivia and Argentina. Description: globular cacti with tubercles arranged in spirals; they tend to sucker. Young as well as adult plants ... 10. blossfeldia (Phocagallery / blossfeldia) Habitat: Northern Argentina, Bolivia. Description: a dwarf genus with short ribless stems, spiny tubercles, beetroot-like roots. Flowers are borne from April to September. In the wild they grow in fissures ... 11. burseraceae (Phocagallery / burseraceae) Habitat: the Tropics. Description: this group embraces dicotyledonous, deciduous plants that grow into shrubs or trees; they are related to the Rutaceae and produce resins and oils. The leaves are alternate ... 12. cephalocereus (Phocagallery / cephalocereus) Habitat: Central and South America, particularly Brazil. Description: a columnar ribbed cactus with spiny areoles bearing flowers near the top when the plant is mature, usually after several years. It ... 13. chamaecereus (Phocagallery / chamaecereus) Habitat: Northern Argentina, sub-Andean mountain ranges. Description: this genus tends to develop large clusters of stems 5 to 10 cm (2 to 4 in) long; they bear numerous red flowers in late summer. A ... 14. convolvulaceae (Phocagallery / convolvulaceae) Habitat: India, South Africa,Transvaal region, Namibia. Description: these woody or herbaceous plants often show a climbing habit and may contain latex. They generally have a large rhizome or caudex. ... 15. copiapoa (Phocagallery / copiapoa) Habitat: Chilean deserts. Description: a genus of globular plants, some of which may develop a cylindrical stem and form clusters with age. The yellow or reddish yellow bell-shaped flower arise from ... 16. coryphantha (Phocagallery / coryphantha) Habitat: United States, Mexico. Description: globular or columnar cacti, usually densely spined with a tuberous taproot system. The tubercles, each bearing an areole, are arranged in spirals and vertically ... 17. cryptocereus (Phocagallery / cryptocereus) Habitat: Mexico. Description: a genus of cacti with flat, leaf-like, deeply incised stems bearing showy, very fragrant, nocturnal, yellowish flowers, red on the outside. It is now within the genus Selenicereus. ... 18. discocactus (Phocagallery / discocactus) Habitat: Brazil, Paraguay, Bolivia. Description: a group of globular cacti with white, large, fragrant night-blooming flowers that wither the following day. Mature plants develop a cephalium which will ... 19. echinomastus (Phocagallery / echinomastus) Habitat: Mexico, United States. Description: a genus of globular or cylindrical cacti with felty areoles bearing numerous spines. The funnel-shaped flowers may be from purple to red or pink but they’re ... 20. echinopsis (Phocagallery / echinopsis) Habitat: Bolivia, Argentina, Uruguay, Paraguay. Description: globular, cylindrical when older, half-hardy cacti with spiny ribs. Some grow in semi-desert regions sheltered by tufts of grasses, others ...
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