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scar |
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FEATURE |
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A discontinuity in surface color and/or relief due to abscission of a structure formerly borne there. |
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crena pl. crenae |
= scallop |
FEATURE |
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A rounded, marginal convexity or concavity in a series of such that alternate regularly and are oriented more or less perpendicular to the generalized perimeter of a laminar structure. See also crenule (scalloplet), dens (tooth), sawtooth, sawtoothlet, toothlet. |
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fovea pl. foveae |
= pit, scrobis |
FEATURE |
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A small, rounded depression. |
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leaf scar |
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FEATURE |
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A scar on a twig or stem due to abscission of a megaphyll; having an outline like that of a transverse section through the base of the petiole, sheath, or blade that was inserted there. |
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laesura pl. laesurae |
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FEATURE |
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An elongate aperture in the proximal face of a spore at or near its pole, coterminous with a tetrad scar; in Psilotophyta, Lycopodiophyta, Equisetophyta, Polypodiophyta. Depending upon tetrad configuration and resultant scar pattern, a laesura may be either unbranched or branched, the branches when present (usually 3) radiating from the pole and of approximately equal lengths. |
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bundle scar |
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FEATURE |
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A smaller scar within the bounds of a leaf scar at the point where a vascular bundle traversed the abscission layer between stem and leaf. |
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chamber (not recommended) |
= cell (not recommended), locule |
FEATURE |
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Any structurally distinct compartment within an anther, ovary, fruit or other organ; not necessarily having any evolutionary integrity. |
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hilum 1 pl. hila |
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FEATURE |
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The scar left on a seed at the point of its abscission from the funiculus. |
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crenule |
= scalloplet |
FEATURE |
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A diminutive crena (scallop). See also dens (tooth), sawtooth, sawtoothlet, toothlet. |
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fissure |
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FEATURE |
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A relatively narrow, split or crack in the outer tissue(s) of a structure. |
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hilum 2 pl. hila |
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FEATURE |
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The more or less central point within a starch grain of intracellular origin, about which the successive layers of starch were accreted more or less symmetrically. |
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locule |
= cell (not recommended), chamber (not recommended) |
FEATURE |
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Any structurally distinct compartment within an anther, ovary, fruit, sporangium or other organ; not necessarily having any evolutionary integrity. |
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channel |
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FEATURE |
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A longitudinal, transversely rounded depression; esp. along the adaxial surface of a petiole or petiolule. |
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emargination |
= notch |
FEATURE |
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A relatively small, acute sinus at the distal end of a laminar structure. |
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colpus pl. colpi |
= fossula, furrow, groove, sulcus, vallecula |
FEATURE |
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An elongate depression that is relatively shallow and narrow. |
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pore |
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FEATURE |
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A small aperture or opening in a wall or covering that allows transport between interior and exterior. |
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sinus pl. sinus, sinuses |
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FEATURE |
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The space, indentation, or invagination (or, for some descriptive purposes, the outline thereof) between and delimiting any two consecutive or adjacent lobes or teeth of a structure. |
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oil-secreting |
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exudation |
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Producing and exuding an oily substance, often aromatic; when oil-secreting glands are indicated in the nominative, often they are called simply oil glands. |
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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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glandular 2 |
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exudation |
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Anatomically distinct and producing and exuding a particular substance. |
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laticiferous |
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exudation |
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Producing and exuding latex. |
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salt-excreting |
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exudation |
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Accumulating salt and discharging it directly to the exterior in a concentrated aqueous solution, the salt then crystallizing on the exterior following evaporation of the fluid medium; when salt-excreting glands are indicated in the nominative, usually they are called simply salt glands. |
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nectariferous |
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exudation |
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Producing and secreting nectar; when glands are nectariferous, they are usually indicated nominatively as nectaries. |
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full |
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extent |
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Reaching from the ovary wall or pericarp to the center of the ovary or fruit and from the apex to the base of its interior, thus separating adjacent locules completely. |
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partial |
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extent |
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Not reaching fully from the ovary wall or pericarp to the center of the ovary or fruit and/or from the apex to the base of its interior, thus not completely separating adjacent locules, which are recognized and delimited by extrapolating from the incomplete septal boundary(ies), the ovary or fruit nonetheless effectively unilocular. |
