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21. eriosyce (Phocagallery / eriosyce) ... Their extreme delicacy is the reason why they’re usually grafted on to Echinopsis multiplex, Cereus, Opuntia. Germinating seeds is also tricky, particularly so when they have been stored for some ... 22. eulychnia (Phocagallery / eulychnia) Habitat: foggy deserts of Chile and Peru. Description: columnar, tree-like cacti having conspicuous areoles with tufts of long white hairs. Formerly included in the genus Cereus. Soil: basic mix. Location: ... 23. gymnocalycium (Phocagallery / gymnocalycium) ... abundant water in the summer and a fair amount of humus, min. 8°C (46°F), the red-coloured species having no chlorophyll must be grafted on to Eriocereus and Hylocereus undatus; Gymnocalycium ... 24. haageocereus (Phocagallery / haageocereus) ... tips: cold temperatures are harmful to these slow-growing cacti. Main species of Haageocereus: Haageocereus decumbens; Haageocereus aureispinus; Haageocereus chrysacanthus; H. laradensis; Haageocereus ... 25. harrisia (Phocagallery / harrisia) ... Eriocereus. Soil: basic mix. Location: place in full sun. Temperature: minimum temperature of 6-8°C (43-46°F). Water: average. Cultivation tips: easy; propagation is from seed, cuttings ... 26. heliocereus (Phocagallery / heliocereus) ... the plants have no rest period, they may show an epiphytic habit. Spraying some water is beneficial also when plants are resting. Propagate from stem cuttings. Main species of Heliocereus: Heliocereus ... 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) ... In the wild they grow covered almost entirely with sand together with Haageocereus repens. They’re easy to raise from seed that can be stored for quite some time. They’re best grown in clay ... 29. lemaireocereus (Phocagallery / lemaireocereus) ... The apical or lateral flowers are bell-shaped. It is synonymous with Machaerocereus. They are often grouped under the genus Stenocereus. Polaskia is a subgenus within Lemaireocereus now moved under Pachycereus. ... 30. lophocereus (Phocagallery / lophocereus) ... are bristly and recurved. The nocturnal pink flowers appear in the summer. It has been moved into the genus Pachycereus. Soil: basic mix. Location: it requires full sun. Temperature: minimum temperature ... 31. machareocereus (Phocagallery / machareocereus) ... They produce roots where they touch the ground while the older parts die. According to Hunt is synonymous with Lemaireocereus. It is now considered part of Stenocereus. Soil: mineral mix. Location: ... 32. monvillea (Phocagallery / monvillea) ... now part of Acanthocereus, the remaining of Cereus. Soil: mineral mix. Location: grow in filtered sunlight. Temperature: the minimum should stay around 8-10°C (46-50°F). Water: average. ... 33. neoporteria (Phocagallery / neoporteria) ... hottest month the water applied should be a little less than average. Cultivation tips: not easy; they resent humid air in the wintertime and are slow-growing. They can be grafted onto Trichocereus spachianus. ... 34. nopalxochia (Phocagallery / nopalxochia) Habitat: Mexico, Costa Rica. Description: a group of plants resembling Epiphyllum that produce funnel-shaped, pink or red flowers. They are epiphytes and some are native to rainforests; the flattened ... 35. nyctocereus (Phocagallery / nyctocereus) Habitat: Mexico. Description: a creeping genus with large, white, nocturnal flowers. It is now part of Peniocereus. Soil: basic mix. Location: grow in dappled light. Temperature: minimum temperature ... 36. oreocereus (Phocagallery / oreocereus) ... solar radiation. They may have synonyms in Pilocereus, Morawetzia and Borzicactus. Soil: basic mix. Location: grow young plants in filtered light and adult ones in full sun. Temperature: they can ... 37. ortegocactus (Phocagallery / ortegocactus) ... treatment. Grafting first onto Pereskiopsis velutina and then onto Eriocereus or Echinopsis accelerates the growth rate. Main species of Ortegocactus: Ortegocactus macdougalii, syn. Neobesseya m., a ... 38. pachycereus (Phocagallery / pachycereus) ... In the summer, nocturnal flowers arise from the apex of adult plants There may be synonyms in the genus Lemaireocereus. It now includes Marginatocereus. Soil: basic mix. Location: full sun. Temperature: ... 39. peniocereus (Phocagallery / peniocereus) ... Water: less than average; the plant stores water in its caudex. Cultivation tips: propagate from seed or cutting. Main species of Peniocereus: Peniocereus jonstonii, syn. Cereus j. Peniocereus ... 40. pilosocereus (Phocagallery / pilosocereus) ... a kind of bristly cephalium from which nocturnal flowers of various colors arise in the summer. They have a few synonyms in the genera Cephalocereus and Pseudopilosocereus. Soil: basic mix. Location: ...
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