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The root hairs curled in the direction of the application, demonstrating the action of a root hair attempting to curl around a bacterium. Even application on lateral roots caused curling. This demonstrated that it is the nod factor itself, not the bacterium that causes the stimulation of the curling.
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).
A true root system consists of a primary root and secondary roots (or lateral roots). the diffuse root system: the primary root is not dominant; the whole root system is fibrous and branches in all directions. Most common in monocots. The main function of the fibrous root is to anchor the plant.
It is believed to have evolved in the Middle East, around Syria and Jordan, along with other leguminous species which have a centre of diversity in that region. [4] [5] Edible species of pea were first cultivated in the Fertile Crescent, while weeds such as L. aphaca are believed to have adapted naturally to an arable or similar human-disturbed habitat between about 23,000 and 11,000 years ago ...
Development of fruiting spurs on an apple tree. Left: A two-year-old shoot; Right: A three-year-old shoot with fruit spurs. Many woody plants have distinct short shoots and long shoots. In some angiosperms, the short shoots, also called spur shoots or fruit spurs, produce the majority of flowers and fruit.
Apodytes dimidiata (white pear or umDakane) is a bushy tree with white flowers bearing a fragrance reminiscent of fresh coconut, and small black and red fruits. It is usually about 5 m tall (but reaches a height of 20 m when growing in deep forest), and it is indigenous to Southern Africa .
The Callery pear, or Bradford pear, is one of those vampires. Over the years, Callery pear (Pyrus calleryana) has become one of the most widely planted ornamental trees in the US. But over that ...
Lepidodendron is an extinct genus of primitive lycopodian vascular plants belonging the order Lepidodendrales.It is well preserved and common in the fossil record. Like other Lepidodendrales, species of Lepidodendron grew as large-tree-like plants in wetland coal forest environments.