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21. eriosyce (Phocagallery / eriosyce) Habitat: deserts of Peru and Chile. Description: these spherical cacti have approximately forty ribs with tough spines. Pink or purplish pink flowers appear once the plant has reached maturity, that ... 22. euphorbiaceae (Phocagallery / euphorbiaceae) ... at the base of the leaf stalk and often develop into spines or gland-like structures. The flowers are monosexual, inconspicuous and are gathered in umbrella-like inflorescences (cyathium), usually surrounded ... 23. frailea (Phocagallery / frailea) ... (1-1.5 in) in width and 6-7 cm (2.5-3 in) in height, that often form clumps. The spines are thin and short and the diurnal flowers appear in the summer; these may sometimes remain closed, yet seeds are ... 24. gymnocactus (Phocagallery / gymnocactus) Habitat: Mexico. Description: cacti with a globular or cylindrical green stem, apex usually covered with wool-like hairs, conical tubercles and radial spines. The flowers appear in the summer and open ... 25. gymnocalycium (Phocagallery / gymnocalycium) ... that produce flowers when still young. They have curved, short spines and large flowers with a long, hairless tube. Soil: half basic mix plus half garden soil. Location: they prefer partial shade, ... 26. haageocereus (Phocagallery / haageocereus) Habitat: foggy coastal deserts of Peru. Description: a genus of yellow or green-spined cacti with upright or sprawling habit, usually branching. The nocturnal flowers come in a variety of colours. Soil: ... 27. hylocereus (Phocagallery / hylocereus) ... differ from Selenicereus in having the stem with few ribs and the absence of hairs or spines on the exterior of the flower. They can be simply referred to as Cereus. Soil: fertile mix. Location: choose ... 28. islaya (Phocagallery / islaya) ... stem. The ribs are slightly protruding, the areoles closely-spaced and covered with dense spines. Flowers are variable in colour and appear at the top of the stem which usually has a felty appearance. ... 29. lophocereus (Phocagallery / lophocereus) Habitat: Arizona, Mexico. Description: a group of columnar, upright cacti branching from the base that form greenish shrub-like structures. They have prominent ribs and large woolly areoles. The spines ... 30. lophophora (Phocagallery / lophophora) Habitat: Texas, south-east of United States, Mexico. Description: they have a globular, green, spineless stem with a fleshy taproot resembling a beetroot. Some species produce offsets from the base. ... 31. mammillaria (Phocagallery / mammillaria) ... It now includes the genera Bartschella and Krainzia. Soil: basic mix. The species with white spination benefit from the addition of 10% of limestone. Those with hooked spines need more sandy soil and ... 32. matucana (Phocagallery / matucana) Habitat: Peruvian Andes. Description: a group of globular or columnar cacti with spines of variable length and colour and long-tubed flowers in the summer, followed by small green fruits. They once were ... 33. monvillea (Phocagallery / monvillea) Habitat: Paraguay, northeastern Argentina, Brazil, Peru. Description: a genus of clumping cacti whose slender stems are up to 2 metres (6.5 ft) long with more or less rounded ribs (up to nine) bearing ... 34. myrtillocactus (Phocagallery / myrtillocactus) ... small blooms are borne on the large areoles and are followed by edible fruits that resemble blackcurrants. The bluish stems are marked by 5 or 6 ribs and have short spines. The cristate form is much sought ... 35. neolloydia (Phocagallery / neolloydia) ... and develop branches with age. They have woolly axils, elongated tubercles with conical, elliptical or rhomboidal section, radial spines and produce large flowers in the spring. It is not easy to distinguish ... 36. neoporteria (Phocagallery / neoporteria) ... Main species of Neoporteria: Neoporteria napina, has a beetroot-like root; N. nidus, with curly spines; Neoporteria calderana; Neoporteria chilensis; Neoporteria curvispina; N. villosa; Neoporteria ... 37. notocactus (Phocagallery / notocactus) Habitat: prairies of Brazil, Uruguay, Argentina. Description: cacti with a globular or cylindrical stem that produce yellow, quite large flowers from the centre of the apex or just below it. Spines may ... 38. opuntia (Phocagallery / opuntia) ... articles (pads) covered with spines of varying length that arise from the areoles. The hybrid species often flower more profusely but are incapable of setting seed. The flowers are large, yellow or red-coloured ... 39. oreocereus (Phocagallery / oreocereus) ... a columnar stem covered with dense bristles from which long, different coloured spines arise. The hairs enveloping the stem act as a blanket that protects the plant from the bitter cold and the strong ... 40. oroya (Phocagallery / oroya) Habitat: foggy deserts on Peruvian Andes. Description: a group of small, globular, slightly squashed cacti with variable spination, often pectinate that flower in the summer after five years or so from ...
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