Pollen morphology of Amygdalus L. [Rosaceae] in Iran

• Autorzy: Vafadar M , Attar F. , Maroofi H. , Mirtadzadini M.
• Języki publikacji: EN

Abstrakty

EN

Pollen grain of 16 species and three hybrids of the genus Amygdalus L., representing two subgenera and two sections distributed in Iran were examined by light and scanning electron microscopy. All pollen grains are tricolporate. The shape of grains varies from subprolate through prolate. Regarding outline, in polar view, pollen grains are triangular-circular and in equatorial view, elliptic. Regarding sculpturing of exine, the frequent type like many members of family Rosaceae is striate with or without perforations that can be subdivided into three subtypes: type I (A-B), type II (A-B) and type V. In three species, A. trichamygdalus, A. spinosissima and A. orientalis, exine sculpture type is completely different. In the first species is rugulate, in the second species is reticulate and in A. orientalis, it is gemmate-perforate. Ornamentation of ridges (muri) in the striate sculpture is parallel to ectocolpus. Number of perforations in tectum, diameter of them, striae intervals and the thickness of ridges varies among studied taxa. The striae have different depth and slope. Results showed that among pollen grain characters, shape is useful character solely for separating of taxonomic ranks in Iranian Amygdalus specially in subgeneric or section level.

Słowa kluczowe

EN

pollen morphology; Amygdalus; Rosaceae; taxonomy; Iran

• Wydawca: -
• Czasopismo: Acta Societatis Botanicorum Poloniae
• Rocznik: 2010
• Tom: 79
• Numer: 1
• Opis fizyczny: p.63-71,fig.,ref.

Twórcy

autor

Vafadar M

• University of Tehran, P.O.Box: 14155-6455, Tehran, Iran

autor

Attar F.

autor

Maroofi H.

autor

Mirtadzadini M.

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