Category: R
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Runner
An elongating lateral shoot, giving rise to a new individual at its end (which may give rise to more runners). A long, slender, prostrate stem rooting at the nodes and tip. Creeping above-ground stem which may produce small plantlets along its length; also called a stolon. A slender, postrate branch, rooting at the end or…
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Runcinate
Pinnatifid with the lobes pointing towards the base. Coarsely-toothed, the teeth pointing toward the base of the leaf, as in the dandelion.
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Rumination
(Of seeds) the intrusions into the endosperm usually by the in-folding of the inner layer of the seed coat(s). In psychiatry, obsessive preoccupation with ideas and recollections; also rare eating disorder of early childhood consisting of a return of food from the stomach without nausea or retching. It leads to loss of weight, failure to…
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Ruminate
(Of seeds) showing intrusions into the endosperm usually by the infolding of the inner layer of the seed coat.
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Rugulose
Somewhat wrinkled. Minutely rugose.
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Rugulate
(In pollen) with an irregular pattern of ridges and empty spaces.
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Rugula
(In Acanthaceae) a channel-like structure on the inner surface of the upper lip, holding the style in place.
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Rugose
Wrinkled; (More strictly) covered in reticulate lines, with the spaces in between convex. With wrinkled or creased surface.
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Rugae
Wrinkles, folds. Folds and ridges of tissue present in mucous membranes of organs such as the intestine and vagina.
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Rufous
(Colour) reddish (various shades).