Sagou du japon (Cycas revoluta)

Publié vendredi 30 mai 2014 Commenter 39
sagou du japon

Sommaire

Sagou du japon : en bref

Nom scientifique
Cycas revoluta
Provenance / Origine
Japon
Période de semi
Janvier
Période de floraison
Eté
Couleur de floraison
Brun
Température
Chaud, supporte mal le gel
Exposition à la lumière
Soleil
Composition du sol
Sol ordinaire
Hauteur
2 – 5 m
Acidité du sol
Neutre
Entretien
S'assurer que le sol est bien sec en hiver ou rentrer le pot
Type biologique
Arbre
Type de feuillage
Persistant
Insectes et animaux ravageurs
Araignées rouges, cochenille

Classification de la plante

Règne
Plantae
Sous-règne
Tracheobionta
Famille
Cycadaceae

Un faux palmier

Le Cycas du japon ou Sagou du japon est un arbuste dont l'aspect rappelle beaucoup celui des palmiers. Pour autant, les cycas sont en fait des plantes primitives prenant leurs orignines de la côte est de l'Afrique à l'Asie du sud. Ces faux palmiers sont relativement proche des conifères par leur mode de reproduction. Ils produisent des fleurs discrètent au centre de la rosette formée par leur feuilles.

Culture du Sagou

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Le Cycas revoluta vit dans des régions chaudes et supporte mal le gel. Il est plutot conseillé de les cultiver en plante d'intérieur. Installez le dans un endroit ensoleillé et sortez le uniquement l'été. Il faut penser à l'arrosser souvent pour que le substrat reste toujours humide; apportez un engrais liquide de temps en temps. Le rempotage du yucca se fait environ tous les 3 ans : quand les racine sortent de leur pot.

Le Cycas du japon est relativement peu sansible aux maladie, en revenche il est sujet aux invasion de cochenilles et araignées rouges. N'utilisez pas un produit trop fort pour les traiter, votre plante risquerait d'en souffrir, préférez des produits biologiques de type solution savonneuse... .

Multiplication

Les graines de cycas doivent être semées en janvier. Vous pouver tenter une bouture à partir des pousses auxquelles on enlèvera les feuilles ou des racines. Plantées dans un mélange 1/3 terre franche, 1/3 terre de bruyère et 1/3 sable, elle repartira peut être après quelques mois. Cette technique reste tout de même délicate à mettre en oeuvre pour le cycas.

Les propriétés du Sagou

Le sagou que l'on extrait de la moelle de la plante peut être dégusté comme pâte sur du pain. La médecine chinoise utilise les fruits bouillis comme expectorant ou emménagogues.

Attention, l'amidon contenu dans les graines est toxique

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