resin |
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SUBSTANCE |
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A substance of high molecular weight consisting of organic acids, esters, and/or terpenes, produced within plant tissue and exuded from wounds as a liquid that hardens to an amorphous glassy state upon exposure. |
mucilage |
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substance |
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A slimy exudate. |
latex pl. latices, latexes |
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SUBSTANCE |
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A moderately viscous and sticky exudate, often milky, sometimes otherwise colored or clear. Overlaps conceptually with gum. |
viscin |
= elastoviscin |
SUBSTANCE |
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A sticky, elastic material, especially that forming the threads that sometimes connect pollen grains. |
nectar |
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SUBSTANCE |
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An aqueous exudate of high sugar content. |
gum |
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SUBSTANCE |
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A highly viscous and sticky exudate that becomes more or less elastic and/or deformably solid upon drying. Overlaps conceptually with latex. |
sap |
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SUBSTANCE |
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Generally, the fluid content of a plant body; more precisely, the sugary fluid transported by the phloem. |
medullose |
= pithy |
texture |
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Loose or spongy internally, denser and firmer externally. |
callous |
= callose |
texture |
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Hard-leathery; callous tissue usually is also thicker than comparable adjacent tissue. |
horny |
= corneous |
texture |
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Hard, dense, fine-grained or compactly fibrous, and tough; resembling the substance of animal horn. |
brittle |
= friable |
texture |
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Dry, firm and easily broken. |
sclerocaulous |
= hard-stemmed |
texture |
plant |
Having hard, relatively dry, but essentially herbaceous main stems that contain a significant proportion of sclerotic tissue or fibers. |
filamentous |
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texture |
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Composed of filiform (thread-like) strands with no intervening tissue. |
elastic |
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texture |
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Resiliently deformable with no loss of structural integrity. |
sarcocaulous |
= fleshy-stemmed |
texture |
plant |
Having main stems that are sarcous (carnose, fleshy). |
watery |
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texture |
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Liquid and weakly cohesive, flowing freely; like water. This term often implies also transparency. |
sarcous |
= carnose, fleshy |
texture |
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Fairly firm and dense, juicy or at least moist, and easily cut. |
rigent |
= rigid, stiff |
texture |
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Strongly resisting deformation over its length. |
papery |
= chartaceous, papyraceous |
texture |
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Very thin, flexible, and readily torn; like paper. See also membranaceous (membranous), pergamentaceous (parchment-like). |
farinaceous 1 |
= mealy; < crumbling, fatiscent |
texture |
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Of minute, relatively stout trichomes that are collectively meal- or flour-like and easily detached. See also farinose. |
ligneous |
= woody |
texture |
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Of or resembling xylem (wood). |
rigid |
= rigent, stiff |
texture |
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Strongly resisting deformation over its length. |
carnose |
= fleshy, sarcous |
texture |
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Fairly firm and dense, juicy or at least moist, and easily cut. |
waxen 2 |
= ceraceous, cereous, waxy |
texture |
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Having the consistency of wax. |
oily 2 |
= greasy, oleaginous, unctuous |
texture |
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Liquid or deformably solid, cohesive, and slippery to the touch. |