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Pea (pisum in Latin) is a pulse, vegetable or fodder crop, but the word often refers to the seed or sometimes the pod of this flowering plant species. Carl Linnaeus gave the species the scientific name Pisum sativum in 1753 (meaning cultivated pea).
Roots of Vicia with white root nodules visible. Cross-section through a root nodule of Vicia observed through a microscope. Biological nitrogen fixation (BNF, performed by the organisms called diazotrophs ) is a very old process that probably originated in the Archean eon when the primitive atmosphere lacked oxygen .
Growth from any such meristem at the tip of a root or shoot is termed primary growth and results in the lengthening of that root or shoot. Secondary growth results in widening of a root or shoot from divisions of cells in a cambium. [8] In addition to growth by cell division, a plant may grow through cell elongation. This occurs when individual ...
The protective external layer of tissue on the stem s and root s of woody trees and shrubs; includes all of the living and non-living tissue external to the cambium. basal Situated or attached at or close to the base (of a plant or a phylogenetic tree diagram). basifixed Something attached by its base, e.g. an anther attached to the filament.
Peas also contain nearly 7% of your daily amount of iron, Derocha adds, which is a good reminder "because often people think (iron has to come from) liver, organ meats or a steak, but it doesn't ...
Mexican bird-of-paradise tree Fabaceae (legume family (peas)) Caesalpinia pulcherrima: red bird-of-paradise tree; flowerfence poinciana Fabaceae (legume family (peas)) Caragana: Asian pea trees; Caragana arborescens: Siberian pea tree Fabaceae (legume family (peas)) Cassia: cassias; Cassia leptophylla: gold medallion tree Fabaceae (legume ...
Plant taxonomy is the science that finds, identifies, describes, classifies, and names plants.It is one of the main branches of taxonomy (the science that finds, describes, classifies, and names living things).
Adventitious roots arise out-of-sequence from the more usual root formation of branches of a primary root, and instead originate from the stem, branches, leaves, or old woody roots. They commonly occur in monocots and pteridophytes, but also in many dicots , such as clover ( Trifolium ), ivy ( Hedera ), strawberry ( Fragaria ) and willow ( Salix ).