rdcinilor

Rădăcinile, written without diacritics as radacinile, are the organs of vascular plants that typically grow underground. They serve to anchor the plant in the soil and to absorb water and minerals; many species also store carbohydrates. The form and complexity of root systems vary with species and environment. The term "rdcinilor" appears to be a misspelling or a variant of rădăcinilor in Romanian.

In most plants, a root consists of a root cap that protects the tip, a root meristem that drives growth, and distinct tissues organized into a cortex, endodermis with the Casparian strip, and a central vascular cylinder (stele) containing xylem and phloem. The outer epidermis often bears root hairs that increase surface area for water and nutrient uptake.

Roots can be primary (from the embryonic root), secondary in woody plants via cambial activity, or adventitious in parts of the stem or leaves. Major architectural types include taproots and fibrous root systems. They form symbiotic relationships with soil organisms, such as mycorrhizal fungi and nitrogen-fixing bacteria in nodules, which enhance nutrient acquisition.

In ecosystems, root architecture influences soil stability, carbon storage, and competition for resources. In agriculture, root health affects drought tolerance, nutrient efficiency, and crop yield. Studying roots involves methods like soil coring, imaging, and molecular approaches to understand growth patterns and functions.