Cannabis : evolution and ethnobotany by Robert C. Clarke, Mark D. Merlin

By Robert C. Clarke, Mark D. Merlin

"'Cannabis: evolution and ethnobotany' is a entire, interdisciplinary exploration of the normal origins and early evolution of this recognized plant, highlighting its old position within the improvement of human societies. hashish has lengthy been prized for the robust and sturdy fiber in its stalks, its fit to be eaten and oil-rich seeds, and the psychoactive and medicinal compounds produced through its woman flora. The Read more...


hashish has been prized for the sturdy fiber in its stalks, and oil-rich seeds, and psychoactive and medicinal compounds produced through its lady plant life. This booklet comprises comprehensive, Read more...

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Extra resources for Cannabis : evolution and ethnobotany

Sample text

Vitis is similar to Cannabis in many respects, including its biology, reproduction, geographical origins, and human influences that include long-­ distance seed dispersal followed by localized distribution of select individuals via asexual propagation. The grapevine is much farther down the vegetative domestication path than Cannabis, and therefore an understanding of grapevine history and its interaction with humans may help us predict the future of Cannabis evolution. , see Myles et al. 2010), with evolutionary origins dating back to around 65 million years ago (This et al.

Clusters of male flowers (F) open to expose stamens that release pollen grains carried by breezes (G), and once exhausted the male flowers fall to the ground (H). A pollen grain carried by the wind lands on a receptive stigma; and if the ovule is fertilized it swells within the closely adhering bract until the seed reaches maturity (I). Seeds fall from the flowers and eventually the whole plant falls to the ground, leaving them dispersed and awaiting the next spring to germinate and grow again (J).

In order to support our hypothetical scenario of early human interactions with Cannabis presented in Chapter 1, we need to identify when and where the species originated. What were our planet’s environmental and biotic conditions during Cannabis’s early evolution? What are the environmental conditions in which it grows naturally without human help? Can we realistically understand how Cannabis evolved? And if so, where and how did it evolve? To answer these questions we must investigate the basic life cycle and ecological requirements of Cannabis.

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Cannabis : evolution and ethnobotany by Robert C. Clarke, Mark D. Merlin
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