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The stages of germination of a pea plant: A. seed coat, B. radicle, C. primary root, D. secondary root, E. cotyledon, F. plumule, G. leaf, H. tap root. The part of the plant that first emerges from the seed is the embryonic root, termed the radicle or primary root. It allows the seedling to become anchored in the ground and start absorbing water.
Like phototropism, a thigmotropic response in stems requires light. Plant biologist Mark Jaffe performed a simple preliminary experiment using pea plants that led to this conclusion. [7] He found that when he snipped a tendril off of a pea plant and placed it in the light, then repeatedly touched one side of it, the tendril would begin to curl.
Chamaecrista nictitans, the sensitive cassia, [2] sensitive partridge pea, [3] small partridge pea [4] or wild sensitive plant, [4] is a herbaceous species of legume widely distributed through the temperate and tropical Americas. [5] It is an annual plant capable of rapid plant movement—its leaflets fold together when touched. [6]
Chamaecrista fasciculata, the partridge pea, is a species of legume native to most of the eastern United States. [2] It is an annual which grows to approximately 0.5 meters (1 ft 8 in) tall. [ 2 ] It has bright yellow flowers from early summer until first frost, [ 3 ] with flowers through the entire flowering season if rainfall is sufficient.
Many crop plants are known as peas, particularly . Pisum sativum. pea; marrowfat peas; snap pea; snow pea; split pea; and: chickpea, Cicer arietinum; cowpea, Vigna ...
Podalyria calyptrata (locally called keurtjie or water blossom pea) is a small, resilient, fast-growing tree of the Fabaceae (legume) family. It has velvety silver leaves, bears masses of bright-pink, sweetly scented flowers , and is indigenous to the Western Cape , South Africa .
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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).