25
Nov
2008
Rhipsalis grandiflora Haworth 1819
Cactus and succulent plants | House Plant | Magnoliopsida
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Genus Rhipsalis includes 35 species of cacti, originating from dry areas of Canada to Patagonia and naturalized in the tropics and subtropice. Pendente growth, numerous bends. Stem cylindrical, with ribbed or payment. The flowers are small. Fruit small, spherical, fleshy.

Rhipsalis grandiflora, or litofita epiphytic species, originally from Brazil. Pendence growth, reaching 1 m long. Strain segmented, cylindrical, 3 cm in diameter. Creamy-white colored flowers 10-12 mm long, 20 mm in diameter. Fruit spherical, white or red.

Grow well in soils rich in humus and well drained. Very sensitive to soil alkalinity.

It reproduces by stem cuttings or by seeds. For multiplication by seeds requires a substrate made of sand, compost for cacti andperlite. Temperature should be kept between 25 °C and 33 °C during the day and at least 15 °C at night. In these conditions seeds germinate within a week. Seed germination after 16-18 hours of daylight to ensure daily, but keep out of direct sunlight. Plants can transfuse after 1-2 years.

They need very much water, but fall to hold 6-8 weeks without watering to bloom in winter.

References

Ellen Zach - Tempting Tropicals: 175 Irresistible plants - Oregon, Timber Press, 2005

Ingrid JANTRA - The Hauseplant encyclopedia - U.S., Firefly Books, 2006

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