Abstract
Morphological characters, seed coat sculpturing (SEM) of seed, leaf, pollen grains and also a key aspects were revisited to revise relationships between dissimilar taxa of the genus Neurada in Saudi Arabia. The present revision shows the occurrence of three distinctive varieties (var. procambens, var. al-eisawii and var. stellate); the last two varieties considered a new registration in Flora of Saudi Arabia. Key words: Morphological characters, Neuradaceae, Saudi Arabia.
Highlights
Neurada L. is a desert monotypic plant labeled from Aegypto-Arabia
He described the new species by some morphological characters in the fruit in insertion to the plant habit
In Saudi Arabia, N. procumbens is comprised in the family Neuradaceae as a monotypic genus (Migahed, 1974; Mandaville, 1990; Chaudhary, 1999)
Summary
Neurada L. is a desert monotypic plant labeled from Aegypto-Arabia. Neurada al-eisawii was described by Barsotti et al (2000) as a new species from the Southern desert of Jordan He described the new species by some morphological characters in the fruit in insertion to the plant habit. In Saudi Arabia, N. procumbens is comprised in the family Neuradaceae as a monotypic genus (Migahed, 1974; Mandaville, 1990; Chaudhary, 1999). Neurada seeds are likely heteromorphic, with both spinose and spineless sides, which involve the vertical scattering of seeds and diaspores, and the exact site in which they lie in the soil (Hegazy et al, 2014) This family is symbolized by its connate carpels inside the calyx tube. Terms of pollen conferring to El-Ghazaly (1991)
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