|
undulate |
= wavy |
margin |
|
Having regular, curved, smoothly connected, alternating, wave-like deviations upward and downward from the general plane of the structure. |
|
cymbiform |
= boat-shaped, navicular |
solid shape |
|
Like the generalized form of a boat hull, the walls relatively thin to moderately thick, the interior essentially empty and open along one side. |
|
funiculus pl. funiculi |
= funicle; < stalk |
STRUCTURE |
|
A stalk that attaches an ovule to a placenta of the ovary wall. |
|
sigmoid 1 |
= S-shaped |
course |
|
Curved more or less regularly first in one direction and then in the opposite direction, like the letter S. |
|
annular |
= ring-shaped |
solid shape |
|
More or less evenly tubular in a closed circle; like a ring or doughnut. |
|
laesura pl. laesurae |
|
FEATURE |
|
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. |
|
testa pl. testae |
= seed coat |
STRUCTURE |
|
The outer protective layer of a seed, developed from the ovular integument(s). |
|
concave-tapered 1 |
= acuminate |
apex |
|
Gradually diminishing in width or diameter to a slender tip, the sides longitudinally concave. Corresponds with attenuate for base shape. |
|
falcate 2 |
= sickle-shaped |
solid shape |
|
Elongate, strongly compressed, and arcuate in the plane of compression, the two faces more or less plane and parallel, the degree of curvature decreasing distally or not; like a sickle blade. |
|
sagittate 2 |
= arrowhead-shaped |
plane shape |
|
Generally triangular, tapering gradually from the base to an acute apex, the base with a relatively large, acute, retrorse lobe to either side; like the outline of the broad lateral face of an arrowhead. |
|
napiform |
= turnip-shaped |
solid shape |
|
Depressed-globose overall and strongly acuminate (concave-tapered) at the base; like the generalized form of a turnip. |
|
whip-like |
= flagelliform |
solid shape |
|
Very slender, terete, generally straight, and apparently supple. |
|
divergent |
|
arrangement |
|
Directed at individually different angles from a common point or relatively limited zone of origin, thus farther apart distally than proximally. |
|
half-obterete |
= semiobterete |
solid shape |
|
Inversely half-terete; obterete but flattened on one side. |
|
spur 2 |
= short-shoot |
STRUCTURE |
|
A first- or higher-order woody stem branch having relatively unelongated internodes, thus proximate nodes, and limited duration of growth, usually branching little if at all; often a main locus of flower production; usually more or less perpendicular to the axis that bears it and resembling a spur projecting from it; sometimes becoming more or less spinose after elongation ceases; esp. in Rosaceae. |
|
location |
|
CHARACTER |
|
Position with respect to aspects of environmental context. |
|
tumid |
= swollen, turgid |
solid shape |
|
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. |
|
beak 1 |
= rostrum |
STRUCTURE |
|
A relatively long, tapering, more or less rigid and pointed enation or termination. |
|
epiphyllous |
|
position |
|
Upon the leaves, or partially adnate thereto and apparently arising therefrom. |
|
pellucid |
= hyaline; > translucent, transparent |
coloration |
|
Transmitting light uniformly. |
|
radical |
|
insertion |
|
Upon, arising from, or otherwise directly associated with the root. |
|
vestigial |
< obsolete (not recommended), rudimentary |
manifestation |
|
Not developing fully and not functional compared with corresponding structures in other taxa, and thought to have devolved to that state from a fully developed and functional structure in an ancestral taxon. |
|
granular |
= granulate, granulose |
texture |
|
Composed of grain-like particles; loose, dry, and coarsely particulate. |
