Difference between revisions of "Cycas circinalis"

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| name = ''CYCUS CIRCINALIS'' 
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|familia=Cycadaceae
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| common_names = Queen Sago
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|genus=Cycas
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| origin = Japan
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|species=circinalis
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| poisonous = Seeds and leaves
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|common_name=Queen Sago
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| lifespan = Upwards of 100 years per individual stem
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|habit=palm-cycad
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| exposure = Prefers broken sunlight but tolerant of full sun to deep shade
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|Min ht metric=cm
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| water = Prefers variably moist conditions, but would probably not tolerate standing water for lengthy periods
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|lifespan=perennial
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| features = non-invasive, very slow grower, as a gymnosperm does not flower, females large, reddish fruits on a dome shaped structure in center of plant
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|Temp Metric=°F
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| hardiness = Lvs. likely damaged in low teens, growing bud likely killed at near zero Fahrenheit
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|jumpin=This is the plant information box - for information on light; water; zones; height; etc. If it is mostly empty you can help grow this page by clicking on the edit tab and filling in the blanks!
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| bloom =     <!--- seasons which the plant blooms, if it is grown for its flowers -->
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|image=Cycas Circinalis - 200 Years Old in Prague - DSC 0068.jpg
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| usda_zones = 8b-11 
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|image_width=200
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| sunset_zones =    <!--- eg. 8, 9, 12-24, not available -->
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|image_caption=A 200 year old specimen with a group of younger ones and a female cone
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| color = lvs. dark, shiny green, sexual parts yellow to reddish
 
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| image = Upload.png  <!--- Freesia.jpg -->
 
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| image_width = 240px    <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->
 
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| image_caption =     <!--- eg. Cultivated freesias -->
 
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| regnum = Plantae
 
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| divisio =  <!--- Phylum -->
 
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'''''Cycas circinalis''''', also known as the '''Queen Sago''', is a type of [[cycad]].
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Cycas circinalis, Linn. (C. Thouarsii, R. Br.). Fern Palm. A palm-like tree with cylindrical trunk and a crown of glossy, fern-like, stiff but gracefully curved pinnate lvs.: trunk clothed with the compacted woody bases of petioles, usually columnar and simple, but often branching when the terminal bud has been cut off, or in clusters of several springing from the base of an old trunk which has been cut down; in addition to the true lvs., modified lvs. in the form of simple short subulate woolly prophylla; true lvs. 5-8 ft. long, long-petioled, the petiole bearing short deflexed spines near the base; pinnae alternate, 10-12 in. long and quite narrow, linear-lanceolate, acuminate, subfalcate, the midrib stout and prominent beneath, bright green above, paler beneath: male infl. in the form of an erect woolly cone composed of scales bearing globose pollen- sacs on the under surface and tapering at the apex into a long spine; female infl. in the center of the crown of lvs., consisting of a tuft of spreading buff-colored, woolly, pinnately-notched lvs. (carpophylls) about 6-12 in. long, spinous toothed along the margin, and bearing in the notches the naked ovules; ovules 3-5 pairs, Borne above the middle: fr. about the size of a walnut, with a thin fleshy covering, and a fleshy starchy endosperm resembling that of a horse-chestnut. S. India, Ceylon, Sumatra, Java, Philippines, Madagascar, E. Trop. Afr.. Guam.—In Fla. the lvs. of this species are often destroyed by sharp frosts, but the trunk is rarely injured and will soon send forth new lvs. when the weather becomes warm again. Nehrling recommends that fine specimens be protected by a tent or by a house of lattice-work covered with canvas, and with the sides also inclosed if necessary. In this house a large kerosene lamp will be sufficient to keep the plant from freezing. In Tampa, Fla., this species appears to flourish, some of the specimens having trunks 6-8 ft. high. It grows best in rich moist soil and in partial shade. On the island of Guam, the nuts of this species form a food staple for the natives in times of famine following hurricanes. These are so poisonous that the water in which the kernels are soaked is fatal to animals. After having been soaked for some time and the water repeatedly changed, the kernels become harmless, and are ground up into meal and dried for future use. They are usually prepared in the form of cakes, which are said to be nutritious although rather tasteless.
 
Cycas circinalis, Linn. (C. Thouarsii, R. Br.). Fern Palm. A palm-like tree with cylindrical trunk and a crown of glossy, fern-like, stiff but gracefully curved pinnate lvs.: trunk clothed with the compacted woody bases of petioles, usually columnar and simple, but often branching when the terminal bud has been cut off, or in clusters of several springing from the base of an old trunk which has been cut down; in addition to the true lvs., modified lvs. in the form of simple short subulate woolly prophylla; true lvs. 5-8 ft. long, long-petioled, the petiole bearing short deflexed spines near the base; pinnae alternate, 10-12 in. long and quite narrow, linear-lanceolate, acuminate, subfalcate, the midrib stout and prominent beneath, bright green above, paler beneath: male infl. in the form of an erect woolly cone composed of scales bearing globose pollen- sacs on the under surface and tapering at the apex into a long spine; female infl. in the center of the crown of lvs., consisting of a tuft of spreading buff-colored, woolly, pinnately-notched lvs. (carpophylls) about 6-12 in. long, spinous toothed along the margin, and bearing in the notches the naked ovules; ovules 3-5 pairs, Borne above the middle: fr. about the size of a walnut, with a thin fleshy covering, and a fleshy starchy endosperm resembling that of a horse-chestnut. S. India, Ceylon, Sumatra, Java, Philippines, Madagascar, E. Trop. Afr.. Guam.—In Fla. the lvs. of this species are often destroyed by sharp frosts, but the trunk is rarely injured and will soon send forth new lvs. when the weather becomes warm again. Nehrling recommends that fine specimens be protected by a tent or by a house of lattice-work covered with canvas, and with the sides also inclosed if necessary. In this house a large kerosene lamp will be sufficient to keep the plant from freezing. In Tampa, Fla., this species appears to flourish, some of the specimens having trunks 6-8 ft. high. It grows best in rich moist soil and in partial shade. On the island of Guam, the nuts of this species form a food staple for the natives in times of famine following hurricanes. These are so poisonous that the water in which the kernels are soaked is fatal to animals. After having been soaked for some time and the water repeatedly changed, the kernels become harmless, and are ground up into meal and dried for future use. They are usually prepared in the form of cakes, which are said to be nutritious although rather tasteless.
 
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Image:Cycas circinalis male cone in Olomouc.jpg|Male cone
 
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Latest revision as of 01:54, 22 December 2009


A 200 year old specimen with a group of younger ones and a female cone


Plant Characteristics
Habit   palm-cycad

Lifespan: ⌛ perennial
Cultivation
Scientific Names

Cycadaceae >

Cycas >

circinalis >


This is the plant information box - for information on light; water; zones; height; etc. If it is mostly empty you can help grow this page by clicking on the edit tab and filling in the blanks!"This is the plant information box - for information on light; water; zones; height; etc. If it is mostly empty you can help grow this page by clicking on the edit tab and filling in the blanks!" is not in the list (If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!) of allowed values for the "Jump in" property.


Cycas circinalis, also known as the Queen Sago, is a type of cycad.


Read about Cycas circinalis in the Standard Cyclopedia of Horticulture 

Cycas circinalis, Linn. (C. Thouarsii, R. Br.). Fern Palm. A palm-like tree with cylindrical trunk and a crown of glossy, fern-like, stiff but gracefully curved pinnate lvs.: trunk clothed with the compacted woody bases of petioles, usually columnar and simple, but often branching when the terminal bud has been cut off, or in clusters of several springing from the base of an old trunk which has been cut down; in addition to the true lvs., modified lvs. in the form of simple short subulate woolly prophylla; true lvs. 5-8 ft. long, long-petioled, the petiole bearing short deflexed spines near the base; pinnae alternate, 10-12 in. long and quite narrow, linear-lanceolate, acuminate, subfalcate, the midrib stout and prominent beneath, bright green above, paler beneath: male infl. in the form of an erect woolly cone composed of scales bearing globose pollen- sacs on the under surface and tapering at the apex into a long spine; female infl. in the center of the crown of lvs., consisting of a tuft of spreading buff-colored, woolly, pinnately-notched lvs. (carpophylls) about 6-12 in. long, spinous toothed along the margin, and bearing in the notches the naked ovules; ovules 3-5 pairs, Borne above the middle: fr. about the size of a walnut, with a thin fleshy covering, and a fleshy starchy endosperm resembling that of a horse-chestnut. S. India, Ceylon, Sumatra, Java, Philippines, Madagascar, E. Trop. Afr.. Guam.—In Fla. the lvs. of this species are often destroyed by sharp frosts, but the trunk is rarely injured and will soon send forth new lvs. when the weather becomes warm again. Nehrling recommends that fine specimens be protected by a tent or by a house of lattice-work covered with canvas, and with the sides also inclosed if necessary. In this house a large kerosene lamp will be sufficient to keep the plant from freezing. In Tampa, Fla., this species appears to flourish, some of the specimens having trunks 6-8 ft. high. It grows best in rich moist soil and in partial shade. On the island of Guam, the nuts of this species form a food staple for the natives in times of famine following hurricanes. These are so poisonous that the water in which the kernels are soaked is fatal to animals. After having been soaked for some time and the water repeatedly changed, the kernels become harmless, and are ground up into meal and dried for future use. They are usually prepared in the form of cakes, which are said to be nutritious although rather tasteless. 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

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Propagation

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Pests and diseases

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Species

Gallery

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  • Male cone

  • photo 1

  • photo 2

  • photo 3

References

External links


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