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Review
. 2017 Nov;24(7):1574-1579.
doi: 10.1016/j.sjbs.2015.10.016. Epub 2015 Oct 31.

Systematic studies on the Zygophyllaceae of Saudi Arabia: A new variety and new variety combination in Tetraena

Dhafer Ahmed Alzahrani  1 , Enas Jameel Albokhari  2
Affiliations
Review

Systematic studies on the Zygophyllaceae of Saudi Arabia: A new variety and new variety combination in Tetraena

Dhafer Ahmed Alzahrani et al. Saudi J Biol Sci. 2017 Nov.

Abstract

During 2013-2014, fresh material of Tetraena alba was collected from two localities in Saudi Arabia. Detailed morphological examination of these specimens revealed that there is a new variety of this species, for which the name T. alba var. arabica is proposed. Fresh material of Zygophyllum amblyocarpum was also collected from a different locality, and based on its characteristics is transferred to Tetraena with the new combination T. alba var. amblyocarpa. T. alba and its varieties are illustrated and morphological characters supplied to differentiate among them.

Keywords: New variety; New variety combination; Saudi Arabia; Taxonomy; Tetraena; Zygophyllaceae; Zygophyllum.

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Figures

Figure 1
Figure 1
Distribution of Tetraena varieties in Saudi Arabia: ▴ T. alba var. alba, ★T. alba var. arabica, ■ T. alba var. amblyocarpa.
Figure 2
Figure 2
(A–I): (A) Leaf of T. alba var. alba, (B) leaf of T. alba var. arabica, (C) leaf of T. alba var. amblyocarpa, (D) fruit of T. alba var. alba, (E) fruit of T. alba var. arabica, (F) fruit of T. alba var. amblyocarpa, (G) capsule lobe of T. alba var. alba, (H) capsule lobe of T. alba var. arabica, (I) capsule lobe of T. alba var. amblyocarpa.
Figure 3
Figure 3
(A–D): (A) Leaves, flowers, and fruits of T. alba var. alba, (B) leaves and fruits of T. alba var. alba, (C) leaves, flowers, and fruits of T. alba var. arabica, (D) leaves, flowers, and fruits of T. alba var. amblyocarpa.
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