Difference between revisions of "Chamaerops humilis"

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|genus=Chamaerops
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|species=humilis
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|image_caption=Chamaerops humilis var. humilis
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Chamaerops is a genus of flowering plants in the family Arecaceae (palm family), comprising a single species Chamaerops humilis (European fan Palm or Mediterranean dwarf Palm), representative of the Pre-Pliocene paleo-tropical ancestral lineages in the area.
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Chamaerops humilis, Linn. Fig. 896. This is the only palm native to Eu. St. 1-1½ ft- high: lvs. ragged, fibrous; margins of the petioles armed with stout, straight or hooked spines; blade suborbicular, truncate or cuneate at the base, rigid, palmately multifid; segms. acuminate, bifid. Medit. B.M. 2152. R.H. 1892:84 (showing habit and a colored plate of the fr.).—Reaches 20 ft. in a rather arborescent variety. Var. dactylocarpa, Becc., is interesting for its elongated frs. shaped like a date. Offered by Montarioso Nursery in 1912.
 
  
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It is a shrub-like clumping palm, with several stems growing from a single base. The stems grow slowly and often tightly together, eventually reaching 2–5 m tall with a trunk diameter of 20–25 cm. It is a fan palm (Arecaceae tribe Corypheae), with the leaves with a long petiole terminating in a rounded fan of 10-20 leaflets; each leaf is up to 1-1.5 m long, with the leaflets 50–80 cm long. It also has numerous sharp needle-like spines produced on the leaf stems; these protect the stem growing point from browsing animals. The flowers are borne in dense, short inflorescences at the top of the stems; it is usually (but not invariably) dioecious with male and female flowers on separate plants. The prophyll covers the flowers until the sexual phase (anthesis) and then splits open apically into two triangular lobes. The number of flowers per inflorescence is highly variable for both male and female plants, depending on the size of the inflorescence. Female flowers are tri-ovulate.[5] Unripe fruits are bright green, turning to dull yellow to brown when ripe during the fall (September–November). The seed (usually 0.6–0.8 g) comprises a small cylindrical embryo, which is surrounded by several layers, from inner to outer: (1) a nutritious endosperm, (2) a wide woody layer or endocarp, (3) a fleshy and fibrous mesocarp (the pulp), and (4) the thin outer layer or exocarp.[6] It has an underground rhizome which produces shoots with palmate, sclerophyllous leaves.
  
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Chamaerops humilis, Linn. This is the only palm native to Eu. St. 1-1½ ft- high: lvs. ragged, fibrous; margins of the petioles armed with stout, straight or hooked spines; blade suborbicular, truncate or cuneate at the base, rigid, palmately multifid; segms. acuminate, bifid. Medit. .—Reaches 20 ft. in a rather arborescent variety. Var. dactylocarpa, Becc., is interesting for its elongated frs. shaped like a date.{{SCH}}
 
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==Species==
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==Varieties==
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There is one species with two accepted [[variety (biology)|varieties]] <ref name=kew/> and two [[cultivars]] <ref>[http://www.rhs.org.uk/Databases/HortDatabase.asp?ID=162568]</ref>
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*''Chamaerops humilis'' var. ''argentea'' André (syn. var. ''cerifera''). Northwest Africa. Leaves glaucous.
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*''Chamaerops humilis'' var. ''humilis''. Southwest Europe. Leaves green.
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*''Chamaerops humilis'' 'Vulcano'.  Compact, thornless [[cultivar]] - may be silvery, but less so than ''argentea''. The leaves tend to be thicker, and the appearance of the plant is bushier than var. ''humilis'' or var. ''argentea''.
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*''Chamaerops humilis var. humilis''
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It is closely related to the genus ''[[Trachycarpus]]'' from [[Asia]], differing in clumping habit (''Trachycarpus'' only forms single stems without basal suckers), the spiny leaf stems (spineless in ''Trachycarpus''), and in small details of the flower anatomy.
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{{forestfarm|chhu155}}
  
 
==Gallery==
 
==Gallery==
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<gallery perrow=5>
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Image:Chamaerops humilis.jpg|Flowers
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<gallery>
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Image:Chamaerops humilis (Zingaro)034.jpg|Mature fruit
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Image:Upload.png| photo 1
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Image:Chamaerops humilis (Zingaro)021.jpg|Mature fruit, close-up
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Image:Upload.png| photo 2
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Image:Chamaerops humilis argentea2.jpg|''Chamaerops humilis'' var. ''argentea'', south slopes of the High Atlas, Morocco
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Image:Upload.png| photo 3
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Image:ChamaeropsHumilisLeaf.jpg|Chamaerops humilis leaf.
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Image:ChamaeropsHumilis.jpg
 
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Latest revision as of 06:49, 29 November 2011


Chamaerops humilis var. humilis


Plant Characteristics
Habit   palm-cycad

Height: ⇕ 2 m"m" can not be assigned to a declared number type with value 2. to 5 m"m" can not be assigned to a declared number type with value 5.
Lifespan: ⌛ perennial
Cultivation
Exposure: ☼ sun
Water: ◍ moderate
Features: ✓ foliage
Scientific Names

Arecaceae >

Chamaerops >

humilis >


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!


Chamaerops is a genus of flowering plants in the family Arecaceae (palm family), comprising a single species Chamaerops humilis (European fan Palm or Mediterranean dwarf Palm), representative of the Pre-Pliocene paleo-tropical ancestral lineages in the area.

It is a shrub-like clumping palm, with several stems growing from a single base. The stems grow slowly and often tightly together, eventually reaching 2–5 m tall with a trunk diameter of 20–25 cm. It is a fan palm (Arecaceae tribe Corypheae), with the leaves with a long petiole terminating in a rounded fan of 10-20 leaflets; each leaf is up to 1-1.5 m long, with the leaflets 50–80 cm long. It also has numerous sharp needle-like spines produced on the leaf stems; these protect the stem growing point from browsing animals. The flowers are borne in dense, short inflorescences at the top of the stems; it is usually (but not invariably) dioecious with male and female flowers on separate plants. The prophyll covers the flowers until the sexual phase (anthesis) and then splits open apically into two triangular lobes. The number of flowers per inflorescence is highly variable for both male and female plants, depending on the size of the inflorescence. Female flowers are tri-ovulate.[5] Unripe fruits are bright green, turning to dull yellow to brown when ripe during the fall (September–November). The seed (usually 0.6–0.8 g) comprises a small cylindrical embryo, which is surrounded by several layers, from inner to outer: (1) a nutritious endosperm, (2) a wide woody layer or endocarp, (3) a fleshy and fibrous mesocarp (the pulp), and (4) the thin outer layer or exocarp.[6] It has an underground rhizome which produces shoots with palmate, sclerophyllous leaves.


Read about Chamaerops humilis in the Standard Cyclopedia of Horticulture 

Chamaerops humilis, Linn. This is the only palm native to Eu. St. 1-1½ ft- high: lvs. ragged, fibrous; margins of the petioles armed with stout, straight or hooked spines; blade suborbicular, truncate or cuneate at the base, rigid, palmately multifid; segms. acuminate, bifid. Medit. .—Reaches 20 ft. in a rather arborescent variety. Var. dactylocarpa, Becc., is interesting for its elongated frs. shaped like a date.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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Varieties

There is one species with two accepted varieties [1] and two cultivars [2]

  • Chamaerops humilis var. argentea André (syn. var. cerifera). Northwest Africa. Leaves glaucous.
  • Chamaerops humilis var. humilis. Southwest Europe. Leaves green.
  • Chamaerops humilis 'Vulcano'. Compact, thornless cultivar - may be silvery, but less so than argentea. The leaves tend to be thicker, and the appearance of the plant is bushier than var. humilis or var. argentea.
  • Chamaerops humilis var. humilis

It is closely related to the genus Trachycarpus from Asia, differing in clumping habit (Trachycarpus only forms single stems without basal suckers), the spiny leaf stems (spineless in Trachycarpus), and in small details of the flower anatomy.

Purchase a Chamaerops humilis plant

Forestfarm

You can order this plant online at Forestfarm nursery. They ship across the United States and Canada, and have been providing excellent plants for decades.

Order Chamaerops humilis plant here.

Gallery

  • Flowers

  • Mature fruit

  • Mature fruit, close-up

  • Chamaerops humilis var. argentea, south slopes of the High Atlas, Morocco

  • Chamaerops humilis leaf.

  • ChamaeropsHumilis.jpg

References

External links


  1. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named kew
  2. ↑ [1]
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