Many pores are scattered over the surface of the grain, which could increase the possibility of the small pores coming into contact with the stigma; this could facilitate germination of the pollen ...

Don’t let this ghostly image frighten you. Though spectral-looking, this depiction of a thale-cress flower is the result of chemically clearing its outer tissue so you can see inside the flower. Don’t ...

the pollen tubes may remain short and burst during their passage ; (3) even if the tubes grow successfully, their progress may be so slow that the ovary becomes abscissed before they reach the ovules.

Baker, H G. 1948. Dimorphism and monomorphism in the Plumbaginaceae. I. A survey of the family. Ann Bot, ns, 12, 207–219.

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There are several common reasons for pain in the eustachian tubes, the small tubes that run from the back of the upper throat to the middle ear. Conditions that cause eustachian tube pain can be ...

You’ve reached your account maximum for followed topics. The Pixel Weather app update brings new features like a pollen count card. Detailed pollen forecasts are now available in select regions ...

Tall to sometimes massive evergreen trees with a typically conical, tapering crown when young, becoming billowing and multi-domed with age, with numerous semi-rigid glossy-surfaced awl-shaped leaves ...

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