7a. Amaranthus blitoides var. blitoides

Description:— See above.

Iconography:— Bayón (2015: 307, Figura 21).

Phenology:— Flowering time february.

Habitat and elevation:— Human-made habitat (coastal plain), 5–15 m a.s.l.

Chromosome number:— 2n = 32, 34.

Occurrence in Saudi Arabia (Fig. 7):— Jizan (first record).

Alien status:— Neophyte species native to North America, it can be considered as casual in Saudi Arabia.

Specimina visa selecta:— SAUDI ARABIA. Jizan, human-made habitat (coastal plain), 5–15 m a.s.l., 17 February 2021, leg. Masrhai et Al-shaye, det. Masrhai, rev. Iamonico (PNUH!, RO!; Fig. 8); ibidem (PNUH!, RO!); ibidem (PNUH!, RO!).