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North Africa Trees
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Sorbus umbellata (Desf.) Fritsch

Crataegus umbellata Desf., Aria umbellata (Desf.) Sennikov & Kurtto

Fra.: Alisier d’Orient.   Esp.: Serbal oriental.   Ang.: Oriental whitebeam.

Arbre de jusqu’à 10 m de haut, plus rarement à port arbustif. Rameaux glabres, à écorce lisse. Bourgeons poilus. Feuilles de (3,8)5-7,1(10) cm, arrondies à ovales, à sommet aigu et base cunéiforme, base doublement serrée à légèrement lobée, poilues sur l’endroit et blanches-tomenteuses sur l’envers, à 5-7 paires de nervures secondaires non visibles sur l’endroit, et pétiole de (6)9-13(16.5) mm. Inflorescences corymbiformes, poilues. Fleurs de c. 12-14 mm de diamètre. Sépales aigus, épars, persistants. Pétales blancs, épars, glabres. Styles libres. Fruit en piridion subglobuleux, de 7,6-10,4 × 5,2-8,4 mm, rougeâtre.

Floraison:

mai-juin.

 

Fructification:

septembre-novembre.

Habitat:

Versants de montagne et lisières des forêts.

Distribution:

N. de l’Afrique, Méditerranée orientale, Balkans, Caucase et Moyen-Orient. Dans le N. de l’Afrique, elle est citée en Algérie (Batna, Djebel Touggourt) et en Tunisie (Djebel Serdj).

État de conservation:

Espèce peu commune mais à aire de répartition vaste. Elle n’est actuellement pas évaluée à l’échelle mondiale dans la Liste rouge des espèces de l’UICN.

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