Caption: Light micrograph of a section through a haustorium of a parasitic dodder plant (Cuscuta sp.). A haustorium is a modified root of a parasitic plant, which penetrates the tissues of its host plant. Once inside, it sucks sugars from the host's phloem tissues, and water and minerals from the xylem. Dodder is a widespread parasitic plant that attacks a huge variety of plants, including crops. It derives all its nutrients from the host. It is an annual in temperate regions but can grow year-round in tropical areas. Importing it is illegal in many areas, and batches of seed are checked for contamination by its own seeds.

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Keywords: 10 seconds or greater, anatomical, anatomy, angiosperm, angiosperms, attached, attachment, biological, biology, botanical, botany, bundles, cell, cells, close up, close-up, closeup, cuscuta, dodder, entwined, flora, growth, haustoria, haustorium, histological, histology, host, light micrograph, microscope, microscopic, microscopy, natural, nature, no one, no-one, nobody, out, pan, panning, panning shot, parasite, parasitic, parasitic plant, parasitised, parasitising, penetrated, penetrating, phloem, plant, real time, real-time, realtime, root, section, sectioned, structure, tissue, tissues, vascular bundle, vascular tissue, wildlife, xylem, zoom, zooming

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Parasitic dodder and host, microscopy

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