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Description: — Herbs 1 – 85 (– 120) dm tall, monoecious, annual (therophyte), rarely biennial.
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Description: — Herbs 1 – 85 (– 120) dm tall, monoecious, annual (therophyte), rarely biennial. Stems usually erect, ± glabrous (sometimes sparsely pubescent in the inflorescence region), white to white-greenish, much branched. Leaves green (usually pale green), ovate, elliptic to spathulate (3.5 – 6.0 × 1.5 – 3.0 cm in the main axis, greater than the leaves on the branches), often with undulate margins (sometimes with a white marginal vein), apex obtuse and mucronate, base cuneate, glabrous (rarely pubescent on the veins), petioled (petiole 1.6 – 3.0 cm long). Synflorescences arranged in axillary glomerules, light green. Floral bracts greenish, ovate-lanceolate [(2.0 –) 3.0 – 4.0 (– 6.0) × 0.3 – 0.6 mm], 2 (– 2.5) times longer than the perianth, awned, margin entire, glabrous. Staminate flowers with 3 tepals, lanceolate; stamens 3. Pistillate flowers with 3 tepals, linear to lanceolate [0.9 – 1.1 × 0.3 – 0.4 (– 0.5) mm], with acute apex; stigmas 3. Fruit brownish-black, ellipsoidal [(1.2 –) 1.4 – 1.8 × 1.0 – 1.2 (– 1.4) mm], as long as or slightly longer than the perianth, rugose when dry, dehiscent. Seed lenticular [(0.8 –) 0.9 – 1.1 (– 1.3) mm in diameter], black to brownish-black. Iconography: — Chaudhary (1998: 245, Plate. 126 a – e), Bayón (2015: 304, Figura 19).
Phenology: — Flowering time April (Al-Eisawi & Al-Ruzayza 2015). Habitat and elevation: — Human-made habitat, at about 300 m a. s. l. (Al-Eisawi & Al-Ruzayza 2015). Chromosome number: — 2 n = 32, 34. Alien status: — Neophyte species native to North America, it can be considered as invasive in Saudi Arabia (see Aljeddani et al. 2021).
cbd_2014_pathway:contaminant_on_animals
cbd_2014_pathway:contaminant_seed
established
Eingeführt
Albanien, Algerien, Australien, Belarus, Belgien, Bulgarien, Kanada (Alberta), Chile, China, Kroatien, Zypern, Tschechien
Dänemark, Estland, Frankreich, Georgien, Deutschland, Irland, Israel, Italien, Japan, Kirgisistan, Lettland, Litauen, Mexiko, Republik Moldau, Marokko, Niederlande, Polen, Portugal (Portugal Continental), Rumänien, Russland, Saudi-Arabien, Serbien, Slowenien, Spanien, Schweden, Schweiz, Türkei, Vereinigtes Königreich, Usbekistan, Yugoslavia, Sardegna, Saskatchewan, Sicilia, South Dakota, South European Russi, Tadzhikistan, Tasmania, Tennessee, Transcaucasus, Tunesien, Turkey-in-Europe, Turkmenistan, Tuva, Uruguay, Vermont, Washington, West Siberia, West Virginia, Wisconsin, Wyoming, Xinjiang, Afghanistan, Alaska, Alberta, Altay, Amur, Argentina Northeast, Argentina Northwest, Argentina South, Arkansas, Österreich, Baleares, Baltic States, Bangladesch, British Columbia, Kambodscha, Canary Is., Central European Rus, Chile Central, China North-Central, Colorado, Connecticut, Corse, Czechoslovakia, Delaware, District of Columbia, East Aegean Is., East European Russia, Ägypten, Finnland, Griechenland, Gulf States, Ungarn, Idaho, Illinois, Indiana, Inner Mongolia, Iowa, Iran, Irak, Kansas, Kasachstan, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Labrador, Lebanon-Syria, Libyen, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Mexico Northwest, Michigan, Minnesota, Missouri, Mongolei, Montana, Nebraska, New Brunswick, New Hampshire, New Jersey, New York, New Zealand North, New Zealand South, Newfoundland, North Caucasus, North Dakota, Northwest European R, Norwegen, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Palestine, Pennsylvania, Portugal, Primorye, Prince Edward I., Québec, Rhode I.
Weitere
Kanada (Newfoundland), Chile (Coquimbo Region, Metropolitana Region), Dänemark, Griechenland, Norwegen, Slowakei, Türkei, Ukraine, Vereinigte Staaten (Vermont-US), Vereinigte Staaten (conterminous 48 United States), Vereinigte Staaten (Alaska), Arizona
Georgia, Utah, Mississippi, Louisiana, North Carolina, Kentucky, Alabama, Virginia, New Mexico, California, South Carolina, Mexico Northeast, Texas, Florida, Nevada
Occurrence in Saudi Arabia (Fig. 1): — Jizan, Qassim (El-Ghazali & Al-Soqeer 2013), Makkah (Al-Eisawi & Al-Ruzayza 2015), Tabuk and Taif (Aljieddani et al. 2021). No finding was done during the field surveys. Further researches are necessary to verify the distribution of Amaranthus albus in the country.
Northern America (WGSRPD:7)