Species: |
Amaranthus crispus (Lesp. & Thév.) N.Terracc. |
|
crisp-leaved amaranth |
Amaranthus cristulatus Speg.
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IUCN status: Not Evaluated (NE)
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Plants annual, sparsely pubescent. Stems prostrate to ascending, branched mainly from base, 0.1-0.4(-0.5) m. Leaves: petiole shorter than blade; blade rhombic-ovate to oblong, 0.5-1.5(-2.5) × 0.3-0.8(-1.5) cm, base cuneate, margins crisped-erose, conspicuously undulate, apex acute to subobtuse, with short mucro. Inflorescences axillary glomerules, green, axes not thickened, not indurage at maturity. Bracts lanceolate to oblong-lanceolate, 1.2-1.7 mm, ± equaling or slightly shorter than tepals. Pistillate flowers: tepals 5, spatulate-oblong, equal to subequal, 1.2-1.7 mm, margins entire, apex rounded to subacute; style branches spreading; stigmas 3, sessile. Staminate flowers intermixed with pistillate; tepals 5; stamens 5. Utricles ellipsoid or obovoid, 1.5-2 mm, slightly longer than tepals, smooth to slightly wrinkled, indehiscent. Seeds black to dark reddish brown, lenticular to obovoid-lenticular, 0.7-1 mm diam., smooth.
Flowering summer-fall. Waste places, other disturbed habitats, mostly at seaports and on ballast; 0-500 m.
Experts: Nadiya Sytschak: Plantae · Ekaterina Kalashnik: Plantae · Ivan Danylyk: Plantae · leopolitanus: Plantae · Tatjana Sova: Plantae · marina_golivets: Tracheophyta
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