“Current evidence suggests that teosinte was first tended for its green ears and sugary pith by hunter-gatherers as an occasional rainy-season food in small “garden” populations away from its homeland, and not for its abundant grain-containing, hard fruitcases, which easily mass-collected but useless as food, are as yet unknown from the archeological record. A rare grain-liberating teosinte mutation (probably expressed in only one “founder” plant, a mazoid “Eve”), which exposed the encased grain for easy harvest, was soon recognized as useful, collected and planted (or self-planted). Thus maize was started on its way to a unique horticultural domestication that is not comparable to that of the temperate Old World mass-selected agricultural grains.”
[January 2000, Homeotic Sexual Translocations and the Origin of Maize (Zea mays, Poaceae): A New Look at an Old Problem, Economic Botany, 54, 1, 7–42, 10.1007/BF02866598] (quote from p. 7)
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Hugh Iltis 3
Czech-American botanist and environmentalist 1925–2016Related quotes

Thomas Jefferson, In Memoir, Correspondence, and Miscellanies from the Papers of T. Jefferson (1829), Vol. 1, 144
Posthumous publications, On botany
Source: The Quotable Jefferson

“Every grain of experience is food for the greedy growing soul of the artist.”
Non-Fiction, Here Comes Everybody: An Introduction to James Joyce for the Ordinary Reader (1965)
Variant: Every grain of experience is food for the greedy growing soul of the artist.

Vol. 9 http://www.whiteestate.org/books/egwhc/EGWHCc27.html#sth6, p. 159
Testimonies for the Church (1855 - 1868)

“Meeting of the Presidium of the Petrograd Soviet With Delegates From the Food Supply Organisations” (27 January 1918); Collected Works, Vol. 26, p. 503.
1910s

“A grain of poetry suffices to season a century.”
Dedication of the Statue of Liberty (1887)
Source: Versos Sencillos: Simple Verses

Letter VIII, July 3rd, 1870.
Letters to Carl Nägeli