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Accepted Scientific Name: Echinopsis cv. Maria Piazza
Origin and Habitat: Garden origin (A distictive cultivar created by cacti enthusiast and hybridiser Bob Schick )
Echinopsis cv. Maria Piazza
Description: Echinopsis cv. Maria Piazza is one of the most popular and appreciated Echinopsis cultivars with large sized rich purplish-pink blooms. It is the result of more than 20 years of devoted work by cacti enthusiast and hybridiser Bob Schick. (ISI 97-19; HBG 80605, Schick 1373-52.) This beautiful crested variant is very-very rare and priced by cactus collectors.
Central spines: Up to 30 mm long.
Flowers: Large sized up to 15 cm across.
Tepals: Lance-shaped to linear, involute and broadly ruffled, rich purplish-pink with dark pinkish-red midrib.
Stigma: Exserted, white.
Subspecies, varieties, forms and cultivars of plants belonging to the Echinopsis hybrid (Schick Hybrids) group
- Echinopsis cv. Anastasia: has delicate bicoloured white with lilac-pink flowers, with a brighter pink midrib on outer petals.
- Echinopsis cv. Beautiful Dreamer: has apricot or salmon pink flowers outer tepals pinkish with a purple-violet mid-line.
- Echinopsis cv. Candlelight: has small to medium sized bicolored blooms (up to 9 cm across) sand yellow and pure yellow.
- Echinopsis cv. Cassandra: has two-toned blooms up to 11/12 cm across. Bright purple/red whit a light orange midrib.
- Echinopsis cv. Coquette: has bright yellow, fragrant blooms, up to 11(-12) cm across, but usually less than 10 cm.
- Echinopsis cv. Crepe Crusader: light magenta with cream-colored to light orange basal stripe and dark pinkish-red midrib.
- Echinopsis cv. Daydream: has bicolored blooms, Up to 11.5 cm across, tannish-orange and pink with darker pink midrib.
- Echinopsis cv. Don Juan: has bicoloured blooms, deep purple with a deep red base and midrib, outer tepals largely red.
- Echinopsis cv. Eclipse: flowers up to 11 cm across, pinkish-red with a lighter midrib. Outer tepals yellow and project beyond the darker inners.
- Echinopsis cv. Eddie: has delicate pink blooms with fine pink outer margin, light pinkish-red basal stripe and salmon-pink darker midrib.
- Echinopsis cv. Edwardian Lady: has bicolored purplish-pink and white flowers with narrow bright yellow basal stripe. Up to 12 cm across.
- Echinopsis cv. Elegant Lady: Flowers white, with outer tepals projecting beyond inners, bicolored white and light pinkish-purple.
- Echinopsis cv. Eroica: Flowers up to 10,5 cm cm across, rich pink with darker midrib and paler margin.
- Echinopsis cv. Galaxy: flowers white with prominent purplish-pink basal stripe and midrib.
- Echinopsis cv. Gossamer: flowers light lavender-pink with darker midrib and a small rounded white area at base.
- Echinopsis cv. Hot Lips: flowers dark scarlet about 10-11cm across.
- Echinopsis cv. Icarus: flowers pale pastel yellow with bright yellow midrib.
- Echinopsis cv. Intrigue: Flowers dark red tinted purple with an orange midrib. Outer tepals pale tawny-colored.
- Echinopsis cv. Jealousy: flowers bright to pastel yellow. Sepaloids pinkish-purple longer than tepals.
- Echinopsis cv. Lochinvar: flowers lavender-pink with darker midrib.
- Echinopsis cv. Madame Pele: flowers bicoloured flowers up to 10/12 cm across, dark vermilion with bright paler magenta margin.
- Echinopsis cv. Maria Piazza: has large sized flowers up to 15 cm across, rich purplish-pink with dark pinkish-red midrib.
- Echinopsis cv. Maria Piazza f. cristasta: Crested form.
- Echinopsis cv. Monet: flowers bicolored pastel magenta to dusky purplish-red and bronzy-orange. Outer tepals paler than inners.
- Echinopsis cv. Princess Anne: flowers pale pink with a white base the midrib may be slightly deeper pink.
- Echinopsis cv. Romance: flowers dark velvety pink with narrow pale purplish-pink margins and dark reddish-pink midrib.
- Echinopsis cv. Samantha Smith: blooms are about 12 cm in diameter, ruffled, yellowish-orange.
- Echinopsis cv. Sierra Skyline: Up to 14 cm across prominently fringed apricot to salmon. Outers mainly light purplish-pink.
- Echinopsis cv. Sorceress: flowers bicolored mainly deep magenta with thin, dark bronzy-orange or deep red basal stripe and midrib.
- Echinopsis cv. Spring Blush: flowers beige-pink with white to yellow basal stripe and pink midrib.
- Echinopsis cv. Spring Symphony: flowers light purplish-pink with darker midrib, a white margin and yellow to ivory-coloured basal stripe.
- Echinopsis cv. Syncopation: petals subequal, dark pinkish-purple, with darker reddish midrib.
- Echinopsis cv. Temptress: blooms are about 11 cm across, dark satiny fuchsia with deep red at base.
- Echinopsis cv. Träumerei: blooms large, up to 13 cm in diameter pastel orange suffused with magenta, midrib light yellow/amber.
- Echinopsis cv. Windigo: Bicolored magenta and bronzy orange to bright red with paler midrib.
Cultivation and Propagation: It is not too difficult in a greenhouse, although grows quite slowly. It is usually seen as a grafted plant but can grow on its own roots too.
Soil: Use a mineral well permeable soil with little organic matter (peat, humus).
Exposure: They need a good amount of light shade to full sun this help to keep the plants healthy, although slow growth.
Watering: Water sparingly from March till October (weekly during summertime, if the weather is sunny enough), with a little fertilizer added. Less or no water during cold winter months, or when night temperatures remain below 10° to prevent root loss. It is sensitive to overwatering (rot prone).
Fertilization: Feeding may not be necessary at all if the compost is fresh then, feed in summer only if the plant hasn't been repotted recently. Do not feed the plants from September onwards as this can cause lush growth which can be fatal during the darker cold months.
Hardiness: Keep perfectly dry in winter at temperatures from 5 to 15 degrees centigrade. (but it is relatively cold resistant and hardy to -5° C, or possibly colder for short periods) In the rest period no high atmospheric humidity!! (Temperature Zone: USDA 9-11)
Crested growth: Unlike 'monstrose' varieties of plants, where the variation from normal growth is due to genetic mutation, crested growth can occur on normal plants. Sometimes it's due to variances in light intensity, or damage, but generally the causes are unknown. A crested plant may have some areas growing normally, and a cresting plant that looks like a brain, may revert to normal growth for no apparent reason. If you have any of the crested part left you need to remove the normal growth and leave the crested part behind this will need to be done regularly.
Propagation: Grafting or cuttings. Plants are usually grafted onto column-shaped cacti but proved to be able to produce their own roots if degrafted. Cuttings will take root in a minimum temperature of 20° C (but better in hot weather). Cuttings of healthy shoots can be taken in the spring and summer. Cut the stem with a sharp, sterile knife, leave the cutting in a warm, dry place for a week or weeks (depending on how thick the cutting is) until a callus forms over the wound. Once the callus forms, the cutting may be inserted in a container filled with firmed cactus potting mix topped with a surface layer of coarse grit. They should be placed in the coarse grit only; this prevents the cut end from becoming too wet and allows the roots to penetrate the rich compost underneath. The cuttings should root in 2 to 6 weeks. Large crested piece must be placed on the soil surface without burying the plant base down in the soil.
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