The almost upright fleshy, stiff-haired, woody
annual ;Leaves and stems: to leaf stalks. Broad-side of leaves are squared-oval to round to long and to wide. Upper leaf surfaces have straight and hooked hairs and the lower leaf is densely white-wooly with hair. Small leafy outgrowth at the base of the leaf are rounded, to long, to wide, persistent and dry—not green. ;Flowers: Five involucral
bracts narrow and tapering to a point, to long and densely wooly. Four to eight male flowers and two to six female flowers in the center of the flower head which is attached right to the stem. Three unequal sepals; long stamen with a pointy anther and a conical long ovary which is surrounded with dense wool. The stigma is as long as the ovary. ;Seeds:
Achenes are elliptical, reddish-brown and long.
F. tenacissima has been observed living low in
wadis with these plant species: :*
Acacia tortilis :*
Aerva javanica :*
Lotononis platycarpa :*
Farsetia longisiliqua It has also been found growing in rock crevices and water-receiving depressions above the stone pavements of the
Hamadas along with: :*
Anastatica hierochuntica :*
Fagonia latifolia :*
Farsetia aegyptia :*
Nauplius graveolens :*
Reseda villosa :*
Salvia aegyptiaca :*
Enneapogon desvauxii :*
Enneapogon scaber ==Distribution==