Amaranthus blitoides var. blitoides

Hassan, Walaa A., Al-Shaye, Najla A., Alghamdi, Salma, Korany, Shereen M. & Iamonico, Duilio, 2022, Taxonomic revision of the genus Amaranthus (Amaranthaceae) in Saudi Arabia, Phytotaxa 576 (2), pp. 135-157 : 146

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!).

Figures

FIGURE 7. Map of Amaranthus blitoides var. blitoides.

FIGURE 8. Specimen of Amaranthus blitoides var. blitoides collected at Jizan in february, 17 2021 by Y. Masrhai et al. (RO!).