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secondary vein |
< lateral vein |
STRUCTURE |
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A strand belonging to the second order of vasculature in a leaf or other basically laminar structure, except when that is the ultimate order (consisting of veinlets); branching directly from a primary vein or, with undiminished diameter, from another strand of the second order. See also costa, primary vein, rib, tertiary vein, veinlet. |
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spheric(al) |
= globose, globular, orbicular, rotund, spheroid(al) |
solid shape |
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Uniformly convex, circular in any median section and in outline when viewed from any angle; like a sphere or globe. |
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keeled |
= carinate |
solid shape |
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Having an elongate median longitudinal ridge that is basically triangular in transverse section, resembling the keel of a boat; esp. a leaf blade or sheath, glume, lemma, palea, sepal or petal. |
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carinal |
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aestivation |
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Having the petals of the keel (carina) enclosing the others. |
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vesture var. vestiture |
= indumentum |
STRUCTURE / SUBSTANCE |
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The trichomes and/or exuded substance that overlie a surface proper, regarded collectively. See also coating, pubescence. |
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barb 1 |
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STRUCTURE |
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Any relatively short, stiff, sharp, acutely inserted or bent, antrorse or retrorse, terminal or lateral appendage. |
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small-bristly |
= setulose |
pubescence |
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Finely setose (hispid). |
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tartar-like |
= tartareous |
relief |
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Rough and crumbling spontaneously, becoming erose. |
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trophophyll |
= sterile frond |
STRUCTURE |
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A frond that does not bear sporangia; in Polypodiophyta. See also fertile frond. |
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macula pl. maculae |
= blotch, spot |
FEATURE |
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An area that differs in color from the rest of a structure's surface, usually due to differing coloration. See also eyespot. |
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nectary |
< gland |
STRUCTURE |
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A multicellular, anatomically distinct structure that produces and exudes nectar. |
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stigma pl. stigmata, stigmas |
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STRUCTURE |
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An exposed, localized portion of a pistil that retains deposited pollen and stimulates its germination, the pollen tubes then growing through or along it toward the ovule(s). |
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gynandrium pl. gynandria |
= column, gynostemium |
STRUCTURE |
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A central floral structure consisting of the partly to wholly fused (connate and adnate) androecium and gynoecium; esp. in Orchidaceae. |
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inflexed |
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orientation |
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Bent adaxially at some point along its length. |
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mucilage |
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substance |
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A slimy exudate. |
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five-… |
= penta… |
prefix |
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Indicating presence of or constitution by five entities of the type denoted by the term's stem; as in five-grooved, five-stamened, five-tepaled. |
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scalariform |
= ladder-like |
arrangement |
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Disposed in vertical sequence with long axes horizontal and parallel. |
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enzymatic |
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exudation |
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Secreting a digestive exoenzyme; in carnivorous plants. |
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…ranked |
= …stichous |
arrangement |
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Disposed along the axis in the number of distinct ranks indicated by the prefix; as in two-ranked. |
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astomatiferous |
= non-stomate-bearing |
architecture |
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Lacking stomates in the epidermis. |
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cottony |
> lanuginose |
pubescence |
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Of or bearing relatively long and fine, intertwined, somewhat matted, capillate trichomes. See also lanuginose. |
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shining |
= glossy, laevigate, lustrous, polished, shiny |
reflectance |
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Uniformly reflecting a high proportion of incident light at all angles. |
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…furrowed |
= …colpate, …fossulate, …grooved, …sulcate, …valleculate |
architecture |
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Having the number of furrows indicated by the prefix; as in five-furrowed, 3-furrowed. |
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swollen |
= tumid, turgid |
solid shape |
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Engorged in appearance, convex overall with the surface appearing taut , as though from internal pressure. See also inflated, which is not clearly distinct in its application. |
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proximal |
> basal |
position |
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Upon or associated with the portion of a structure closest to its developmental origin. |
