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Humans most commonly eat the seeds (e.g. maize, wheat), fruit (e.g. tomato, avocado, banana), flowers (e.g. broccoli), leaves (e.g. lettuce, spinach, and cabbage), roots (e.g. carrots, beets), and stems (e.g. asparagus of many plants. There are also a few edible petioles (also known as leaf stems) such as celery or rhubarb. Plant stems have a ...
Vine maple (Acer circinatum) Samara of Combretum zeyheri. A samara (/ s ə ˈ m ɑːr ə /, UK also: / ˈ s æ m ər-/) [1] is a winged achene, [2] a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary wall. A samara is a simple dry fruit, and is indehiscent (not opening along a seam).
An edible seed [n 1] is a seed that is suitable for human or animal consumption. Of the six major plant parts, [ n 2 ] seeds are the dominant source of human calories and protein . [ 1 ] A wide variety of plant species provide edible seeds; most are angiosperms , while a few are gymnosperms .
Usually monoecious, the flowers are produced in spring at the same time as the leaves open, yellow-green, in erect clusters 4–6 cm (1.6–2.4 in) across, and are insect-pollinated. The fruit is a samara with two winged achenes aligned at 180°, each achene is 8–10 mm (0.31–0.39 in) wide, flat, with a 2 cm (0.79 in) wing.
Vine maples produce single flowers (a single flower is a flower that produces one fruit) that are 6–9 mm (1 ⁄ 4 – 3 ⁄ 8 in) in diameter, with dark red sepals and 5 yellow petals. The fruit, a two-seeded winged samara, is adapted for wind-dispersal. Each wing is 2–4 cm in length, and holds a seed approximately 9 mm (3 ⁄ 8 in) in ...
Today, specialty candy shops still carry "maple sugar candy": an individual-consumption-sized block of compacted maple sugar, usually molded into the shape of a maple leaf. Maple butter – also known as maple cream or maple spread, it is a confection made by heating maple syrup to approximately 112 °C (234 °F), cooling it to around 52 °C ...
Acer negundo, also known as the box elder, boxelder maple, Manitoba maple or ash-leaved maple, is a species of maple native to North America from Canada to Honduras. [3] It is a fast-growing, short-lived tree with opposite, ash-like compound leaves.
Maples flower in late winter or early spring, in most species with or just after the appearance of the leaves, but in some before the trees leaf out. [8] Maple flowers are green, yellow, orange or red. Though individually small, the effect of an entire tree in flower can be striking in several species.