Search results
Results from the WOW.Com Content Network
An assortment of different caryopses. Wheat spikelet with the three anthers sticking out. Caryopsis cross-section. In botany, a caryopsis (pl. caryopses) is a type of simple fruit—one that is monocarpellate (formed from a single carpel) and indehiscent (not opening at maturity) [1] and resembles an achene, except that in a caryopsis the pericarp is fused with the thin seed coat.
A sclereid which contains a druse and has the lignin deposited excentrically on the cell wall to form a cup shape, or in cross-section, a ∪-shape. crown See canopy. cross To make something interbreed; the act of hybridization. cruciform Cross-shaped. crustaceous Hard, thin and brittle. crustose Forming a closely applied surface layer or crust ...
The floral diagram is a graphic representation of the arrangement of the floral parts and the arrangement of the different whorls, in a cross section of the flower. Each whorl is represented, by convention, with a concentric circumference around the gynoecium, indicated by a cut at the level of the ovary.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Zea species are used as food plants by the larvae (caterpillars) of some Lepidopteran species including (in the Americas) the fall armyworm (Spodoptera frugiperda), the corn earworm (Helicoverpa zea), and the stem borers Diatraea and Chilo; in the Old World, it is attacked by the double-striped pug, the cutworms heart and club and heart and ...
A cross-section of an ear of corn, showing the cob. A corncob, also called corn cob or cob of corn, is the hard core of an ear of maize, bearing the kernels, made up of the chaff, woody ring, and pith. Corncobs contain mainly cellulose, hemicellulose, and lignin. [1]
The usage of corn for maize started as a shortening of "Indian corn" in 18th-century North America. [22] The historian of food Betty Fussell writes in an article on the history of the word corn in North America that "[t]o say the word corn is to plunge into the tragi-farcical mistranslations of language and history". [8]
This cross-sectional schematic shows the flow of material through a typical combine harvester: the stalks of mature crop plants are cut by a series of blades at the front of the combine and conveyed to the interior of the machine (red); the useful grain (yellow) is then loosened and separated from the cut stalks and retained in an internal ...