Difference between revisions of "Selenicereus grandiflorus"

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{{SPlantbox
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| name = ''LATINNAME''  <!--- replace LATINNAME with the actual latin name -->
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|familia=Cactaceae
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| common_names =     <!--- if multiple, list all, if none, leave blank -->
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|genus=Selenicereus
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| growth_habit = ?  <!--- tree, shrub, herbaceous, vine, etc -->
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|species=grandiflorus
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| high = ?  <!--- 1m (3 ft) -->
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|habit=cacti-succulent
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| wide =     <!--- 65cm (25 inches) -->
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|habit_ref=Flora - A Gardener's Encyclopedia
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| origin = ?  <!--- Mexico, S America, S Europe, garden, etc -->
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|Max ht box=17
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| poisonous =     <!--- indicate parts of plants which are known/thought to be poisonous -->
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|Max ht metric=ft
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| lifespan =     <!--- perennial, annual, etc -->
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|height_ref=Flora - A Gardener's Encyclopedia
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| exposure = ?  <!--- full sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->
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|Min wd box=7
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| water = ?  <!--- frequent, regular, moderate, drought tolerant, let dry then soak -->
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|Min wd metric=ft
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| features =     <!--- flowers, fragrance, fruit, naturalizes, invasive -->
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|Max wd box=10
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| hardiness =     <!--- frost sensitive, hardy, 5°C (40°F), etc -->
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|Max wd metric=ft
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| bloom =     <!--- seasons which the plant blooms, if it is grown for its flowers -->
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|width_ref=Flora - A Gardener's Encyclopedia
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| usda_zones = ?  <!--- eg. 8-11 -->
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|lifespan=perennial
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| sunset_zones =     <!--- eg. 8, 9, 12-24, not available -->
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|life_ref=Flora - A Gardener's Encyclopedia
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| color = IndianRed
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|exposure=sun, part-sun
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|sun_ref=Flora - A Gardener's Encyclopedia
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| image_width = 240px    <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->
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|features=flowers
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| image_caption =     <!--- eg. Cultivated freesias -->
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|flower_season=early summer, mid summer, late summer
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| regnum = Plantae  <!--- Kingdom -->
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|flower_ref=Flora - A Gardener's Encyclopedia
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| divisio =   <!--- Phylum -->
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|flowers=orange, yellow, white
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| classis =   <!--- Class -->
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|Temp Metric=°F
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| ordo =   <!--- Order -->
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|min_zone=9
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|usda_ref=Flora - A Gardener's Encyclopedia
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'''''Selenicereus grandiflorus''''' is a [[cactus]] [[species]] originating from the [[Antilles]], [[Mexico]] and [[Central America]]. The species is commonly referred to as [[Nightblooming Cereus]], [[Queen of the Night]] (though these two terms are also used for other species), '''Large-flowered Cactus''', '''Sweet-Scented Cactus''' or '''Vanilla Cactus'''. The true species is extremely rare in cultivation. Most of the plants under this name belong to other species or hybrids.
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Mexico to South America. Climbing on trees and on rocks. 700m alt. Extremely variable, especially in Jamaica, stems with slightly wavy to strongly knobby margins occurs in the same plant. Much confused in cultivation. Many species of ''[[Selenicereus]]'' should be reduced to synonyms of [[subspecies]] of this species, differing merely in degree rather than in kind.
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Stems scandent, clambering or sprawling, branching, sometimes forming tangles, producing aerial roots, stiff, to 10m long or more, (10)15-25(-30)mm thick; ribs (4-)7-8(-10), low, less so on older branches, separated by broad, rounded intervals, slightly wavy to strongly knobby; [[areole]]s small, wool white or greyish white, internodes (6-)12-20mm; spines 5-18, to 4,5-12mm, basally ca 0,25mm in Ø, acicular, elliptic or circular in cross section, bulbous basally, spreading, yellowish brown to brownish or yellow, grey in age, eventually deciduous]]; hairs from lower part of [[areole]] ± numerous white or brownish, mature vegetative areoles usually lacking hairs, [[juveline]] plants have spines shorter and fewer; epidermis glaucous green or bluish green, often ± purplish, smooth. [[Flowers]] 17-22,5&nbsp;cm long, fragrant reminding or vanilla and orange-flower; [[pericarpel]] 25mm long, with [[bracteoles]] 5mm, strap-shaped and yellowish, covered with nearly white or tawny hairs and sharp bristles; receptacle 7,5-8,7&nbsp;cm, bracteoles 5-14mm, strap-shaped to linear, yellowish with long, nearly white or tawny, wavy hairs and sharp bristles in their axils, ca 25mm long; outer tepals 7,5–10&nbsp;cm long, averaging 4,5mm wide, linear-attenuate, light brown, salmon to pink buff, yellowish [[adaxial]]ly; inner tepals 7,5–10&nbsp;cm long, 9- 12(-15)mm, shorter than outer tepals, wide, lanceolate, gradually narrowed into a pointed or acute apex, white; stamens 38-50mm long, delinate, white, anthers 1,5mm long, yellowish; style 15–20&nbsp;cm long, often longer than inner tepals, 1,5mm greatest Ø, stigma lobes 7-12, ca 7,5mm long, slender. Fruit ovoid, 5–9&nbsp;cm long, 4,5–7&nbsp;cm thick, whitish, partly pink, pink, yellow or orange, covered with clusters of spines and hairs which soon drop off, juicy, the imbilicus small and inconspicuous.
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{{Inc|
 
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Selenicereus grandiflorus. Brit. & Rose (Cereus grandiflorus, Mill.). Creeping or clambering vines: sts. stout, often 1 in. diam., bluish green: ribs 7 or 8, low: spines acicular, yellowish brown or brownish: fls. very large, fragrant, 6-8 in. long. Jamaica, but said also to be native of Mex., which is doubtless wrong.—A number of species resembling S. grandiflorus in a general way, but specifically distinct, are often to be found under this name in collections; they need further study. This species is used in the manufacture of a heart-tonic.
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Selenicereus grandiflorus. Brit. & Rose (Cereus grandiflorus, Mill.). Creeping or clambering vines: sts. stout, often 1 in. diam., bluish green: ribs 7 or 8, low: spines acicular, yellowish brown or brownish: fls. very large, fragrant, 6-8 in. long. Jamaica, but said also to be native of Mex., which is doubtless wrong. B.M. 3381.—A number of species resembling S. grandiflorus in a general way, but specifically distinct, are often to be found under this name in collections; they need further study. This species is used in the manufacture of a heart-tonic.
 
 
{{SCH}}
 
{{SCH}}
 
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==Cultivation==
 
==Cultivation==
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An easily cultivated, fast growing [[epiphyte]] or [[lithophytic]] plant. Needs a compost containing plenty of humus and sufficient moisture in summer. Should not be kept under 5°C (41°F) in winter. Perform best if grown in full sun. Extra light in the early spring will stimulate budding. Flowers in late spring or early summer, only blooms one night a year or several years and withers within hours.
  
 
===Propagation===
 
===Propagation===
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===Pests and diseases===
 
===Pests and diseases===
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==Species==
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<!--  This section should be renamed Cultivars if it appears on a page for a species (rather than genus), or perhaps Varieties if there is a mix of cultivars, species, hybrids, etc    -->
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==Varieties==
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Four subspecies are recognized:
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**ssp. ''donkelaarii'' (Salm-Dyck) Ralf Bauer
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**ssp. ''grandiflorus''
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**ssp. ''hondurensis'' (K.Schum. ex Weing.) Ralf Bauer
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**ssp. ''lautneri'' Ralf Bauer
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Hybrids:
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'''''Selenicereus ×callianthus''''' (Gaillard) Lindinger (1942). This is a [[Hybrid (biology)|hybrid]] between this [[species]] and ''[[Selenicereus pteranthus]]''. Many plants under the name ''Selenicereus grandiflorus'' may belong to this cross. It is very similar to ''[[Selenicereus pteranthus]]'', but stems more slender and spines, longer and yellowish.
  
 
==Gallery==
 
==Gallery==
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<gallery perrow=5>
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Image:Upload.png| photo 1
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File:Selenicereus grandiflorus Michael Kesl.jpg| photo 1
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Image:Upload.png| photo 2
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File:Selenicereus grandiflorus subsp. hondurensis.jpg| photo 2
 
Image:Upload.png| photo 3
 
Image:Upload.png| photo 3
 
</gallery>
 
</gallery>
  
 
==References==
 
==References==
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<references/>
 
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
 
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
 
<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 
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Latest revision as of 19:37, 25 May 2010


Selenicereus grandiflorus Rich Hoyer.JPG


Plant Characteristics
Habit   cacti-succulent

Height: ⇕ 17 ft"ft" can not be assigned to a declared number type with value 17.
Width: ⇔ 7 ft"ft" can not be assigned to a declared number type with value 7. to 10 ft"ft" can not be assigned to a declared number type with value 10.
Lifespan: ⌛ perennial
Bloom: ❀ early summer, mid summer, late summer
Cultivation
Exposure: ☼ sun, part-sun
Features: ✓ flowers
USDA Zones: 9 to 12
Flower features: ❀ orange, yellow, white
Scientific Names

Cactaceae >

Selenicereus >

grandiflorus >


Selenicereus grandiflorus is a cactus species originating from the Antilles, Mexico and Central America. The species is commonly referred to as Nightblooming Cereus, Queen of the Night (though these two terms are also used for other species), Large-flowered Cactus, Sweet-Scented Cactus or Vanilla Cactus. The true species is extremely rare in cultivation. Most of the plants under this name belong to other species or hybrids.

Mexico to South America. Climbing on trees and on rocks. 700m alt. Extremely variable, especially in Jamaica, stems with slightly wavy to strongly knobby margins occurs in the same plant. Much confused in cultivation. Many species of Selenicereus should be reduced to synonyms of subspecies of this species, differing merely in degree rather than in kind.

Stems scandent, clambering or sprawling, branching, sometimes forming tangles, producing aerial roots, stiff, to 10m long or more, (10)15-25(-30)mm thick; ribs (4-)7-8(-10), low, less so on older branches, separated by broad, rounded intervals, slightly wavy to strongly knobby; areoles small, wool white or greyish white, internodes (6-)12-20mm; spines 5-18, to 4,5-12mm, basally ca 0,25mm in Ø, acicular, elliptic or circular in cross section, bulbous basally, spreading, yellowish brown to brownish or yellow, grey in age, eventually deciduous]]; hairs from lower part of areole ± numerous white or brownish, mature vegetative areoles usually lacking hairs, juveline plants have spines shorter and fewer; epidermis glaucous green or bluish green, often ± purplish, smooth. Flowers 17-22,5 cm long, fragrant reminding or vanilla and orange-flower; pericarpel 25mm long, with bracteoles 5mm, strap-shaped and yellowish, covered with nearly white or tawny hairs and sharp bristles; receptacle 7,5-8,7 cm, bracteoles 5-14mm, strap-shaped to linear, yellowish with long, nearly white or tawny, wavy hairs and sharp bristles in their axils, ca 25mm long; outer tepals 7,5–10 cm long, averaging 4,5mm wide, linear-attenuate, light brown, salmon to pink buff, yellowish adaxially; inner tepals 7,5–10 cm long, 9- 12(-15)mm, shorter than outer tepals, wide, lanceolate, gradually narrowed into a pointed or acute apex, white; stamens 38-50mm long, delinate, white, anthers 1,5mm long, yellowish; style 15–20 cm long, often longer than inner tepals, 1,5mm greatest Ø, stigma lobes 7-12, ca 7,5mm long, slender. Fruit ovoid, 5–9 cm long, 4,5–7 cm thick, whitish, partly pink, pink, yellow or orange, covered with clusters of spines and hairs which soon drop off, juicy, the imbilicus small and inconspicuous.


Read about Selenicereus grandiflorus in the Standard Cyclopedia of Horticulture 

Selenicereus grandiflorus. Brit. & Rose (Cereus grandiflorus, Mill.). Creeping or clambering vines: sts. stout, often 1 in. diam., bluish green: ribs 7 or 8, low: spines acicular, yellowish brown or brownish: fls. very large, fragrant, 6-8 in. long. Jamaica, but said also to be native of Mex., which is doubtless wrong.—A number of species resembling S. grandiflorus in a general way, but specifically distinct, are often to be found under this name in collections; they need further study. This species is used in the manufacture of a heart-tonic. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

An easily cultivated, fast growing epiphyte or lithophytic plant. Needs a compost containing plenty of humus and sufficient moisture in summer. Should not be kept under 5°C (41°F) in winter. Perform best if grown in full sun. Extra light in the early spring will stimulate budding. Flowers in late spring or early summer, only blooms one night a year or several years and withers within hours.

Propagation

Pests and diseases

Varieties

Four subspecies are recognized:

    • ssp. donkelaarii (Salm-Dyck) Ralf Bauer
    • ssp. grandiflorus
    • ssp. hondurensis (K.Schum. ex Weing.) Ralf Bauer
    • ssp. lautneri Ralf Bauer

Hybrids: Selenicereus ×callianthus (Gaillard) Lindinger (1942). This is a hybrid between this species and Selenicereus pteranthus. Many plants under the name Selenicereus grandiflorus may belong to this cross. It is very similar to Selenicereus pteranthus, but stems more slender and spines, longer and yellowish.

Gallery

  • photo 1

  • photo 2

  • photo 3

References

External links


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