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A major problem with soy ink is that it takes more time to dry than petroleum-based inks, due to its lack of evaporative solvents in the form of VOCs. [4] This creates challenges for some printing presses, especially those that use coated papers (such as magazines) instead of porous, uncoated paper (such as newspapers) where the ink can dry via absorption or IR in-line heaters.
The fruit of the Southern Catalpa resembles bean pods. The fruit is a long, thin seed pod 20–40 cm long and 8–10 mm in diameter; it often stays attached to the tree during winter. The capsule contains numerous flat light brown seeds with two papery wings. Despite its appearance, it is not closely related to true beans.
When the eggs hatch, tiny larvae bore into the immature green pods and begin to devour the seeds. The pods ripen, fall to the ground and separate into three smaller segments, and those segments are called Mexican jumping beans. As the tiny larvae inside curl up and uncurl, they hit the capsule's wall, and the bean appears to jump.
Mesquite flour is made from the dried and ground pods of the mesquite (some Prosopis spp.), a tree that grows throughout Mexico and the southwestern US in arid and drought-prone climates. The flour made from the long, beige-colored seedpods has a sweet, slightly nutty flavor and can be used in a wide variety of applications.
The bean pod may be smooth or rough, depending on the genotype. It is typically 15–22 cm (6– 8 + 1 ⁄ 2 in) long, rectangular in cross-section [2] (though sometimes appearing flat), and has four wings with frilly edges running lengthwise. The skin is waxy and the flesh partially translucent in the young pods.
Northern and southern catalpas are very similar in appearance, but the northern species has slightly larger leaves, flowers, and bean pods. Flowering starts after 275 growing degree days . Catalpa ovata from China, with pale yellow flowers, is also planted outside its natural range for ornamental purposes.
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The word 'bean', for the Old World vegetable, existed in Old English, [3] long before the New World genus Phaseolus was known in Europe. With the Columbian exchange of domestic plants between Europe and the Americas, use of the word was extended to pod-borne seeds of Phaseolus, such as the common bean and the runner bean, and the related genus Vigna.