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A leaf (pl.: leaves) is a principal appendage of the stem of a vascular plant, [1] usually borne laterally above ground and specialized for photosynthesis.Leaves are collectively called foliage, as in "autumn foliage", [2] [3] while the leaves, stem, flower, and fruit collectively form the shoot system. [4]
Leaves are boiled and strained and the water discarded. [350] Sesamum alatum: Sésame de gazelle: Eaten in dry regions of Africa like Chad as a vegetable. Considered as famine food in some areas [351] [352] [353] Sesamum indicum: Sesame [354] [355] Sesamum radiatum: Benniseed: Fresh leaves and young shoots are a popular leafy vegetable in ...
Cotyledon from a Judas-tree (Cercis siliquastrum, a dicot) seedling Comparison of a monocot and dicot sprouting. The visible part of the monocot plant (left) is actually the first true leaf produced from the meristem; the cotyledon itself remains within the seed Schematic of epigeal vs hypogeal germination Peanut seeds split in half, showing the embryos with cotyledons and primordial root Two ...
The initial leaves form a rosette shape comprising 7 to 15 leaves, each measuring 25–35 cm (10–14 in) by 20–30 cm (8–12 in); [6] after this, leaves with shorter petioles develop and heads form through the leaves cupping inward. [9] Many shapes, colors and leaf textures are found in various cultivated varieties of cabbage.
Bulbs are a combination of stem and leaves so may better be considered as leaves because the leaves make up the greater part. Caespitose: When stems grow in a tangled mass or clump or in low growing mats. Cladode (including phylloclade): A flattened stem that appears leaf-like and is specialized for photosynthesis, [4] e.g. cactus pads.
The U.S. Environmental Protection Agency said leaves and other yard debris make up more than 13% of the nation’s solid waste, which comes out to 33 million tons a year.
First of all, a thick layer of leaves on your lawn acts as a barrier, blocking sunlight and air circulation essential for photosynthesis and overall grass health.
More leaves (or spines, or other photosynthesizing organs) means a bigger surface area and more stomata for gaseous exchange. This will result in greater water loss. Number of stomata: More stomata will provide more pores for transpiration. Size of the leaf: A leaf with a bigger surface area will transpire faster than a leaf with a smaller ...