Calligonum comosum L'Her.
Diagnostic description:
1-Calligonum comosum L'Her in Trans. Linn. Soc. London 1:180 (1791). Plate 169, b.
-Calligonum polygonoides L. ssp. comosum (L'Her.) Soskov (1975).
Arabic Name: Arta'a
ارطى
Thick-stemmed branched shrub up to about 1.5 m tall.
Young branches green,
thin mostly fascicled, flexuous . Leaves very small,
caducous Flower pedicels mostly s long as or longer than the perianth.
Fruits shades of red or yellowish green ,
ellipsoid up to 8 x 6 mm;
bristles arising from 4 vertical wing-like narrow ridges,
repeatedly divided providing a dense outer cover, up to c. mm long
Saudi Arabia: A widespread shrub of sandy deserts except most parts of the Empty Quarter.
Taxonomic name: