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Together, the three species make up the Luxuriantes section in the genus Zea. [4] Z. perennis is the sole tetraploid in the genus and fertile hybrids with diploid Zea species are rare. Ribosomal ITS evidence suggested introgression between Z. perennis and Z. mays that must have come from either crossing the ploidy barrier or been from the ...
Zea diploperennis, the diploperennial teosinte, [2] is a species of grass (family: Poaceae) in the genus Zea and a teosinte (wild relative of maize or corn). It is perennial . Conservation
Microscopic view of Zea seed. Both annual and perennial teosinte species occur. Z. diploperennis and Z. perennis are perennial, while all other species are annual. All species are diploid (n=10) with the exception of Z. perennis, which is tetraploid (n=20). The different species and subspecies of teosinte can be readily distinguished based on ...
Glenn Ross Images/Getty Images. Siberian irises have pretty sword-shaped foliage and intricate-looking flowers in an array of colors ranging from yellow to pale purple to dark amethyst.
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Eupatorium capillifolium, or dog fennel (also written "dogfennel"), is a North American perennial herbaceous plant in the family Asteraceae, native to the eastern and south-central United States. [3] It is generally between 50 cm and 2 meters tall with several stems that fork from a substantial base. [ 4 ]
The principal phytochemicals are polyphenols in the leaves, stems, and roots of some Scutellaria species, including baicalin, baicalein, wogonin, and oroxylin A. [7] [8] [9] Other constituents include lateriflorin, melatonin, serotonin, viscidulin III-2’-O-glucoside, Chyrin-6-C-ara-glc, trans-verbascoside, viscidulin, trans-martynoside, oroxylin A-7-O-glc, wogonoside, chitin, and scutellarin ...
There are multiple environments and varieties of dog daycare service. For example, some facilities provide a cage-free environment where dogs play under the supervision of a trained staff member. [9] Other facilities may provide a cage free environment for dogs to play for a portion of the day, placing dogs in cages at other times of the day.