Category: R
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Root-crown
The place where the root changes into the stem at ground level; Sometimes the hairy or bracteate apical part of the perennial rootstock where the annual shoots are burned or grazed off.
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Root boss
(In palms) swelling at the base of stem from which the roots arise.
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Rivulose
Marked with narrow, wavy, irregular lines.
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Ripe
Mature, complete for its function.
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Riparian
Of river banks or lake shores.
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Ringent
(In a 2-lipped corolla) with the lips gaping and widely separate [unusual term]. Gaping open.
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Rind
Outer layer, implying a thick and tough layer. A thick or firm outer coating of an organ, plant, or animal. The tough and usually inedible outer covering of certain foods, such as fruit, cheese, bacon, and other similar items, is commonly referred to as the “rind.” This outer layer serves as a protective barrier and…
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Rimose
(Of bark) full of cracks, crevices or fissures.
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Rim
Margin, edge.
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Rigid
Stiff, not moving.