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pyriform |
= pear-shaped |
solid shape |
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Basically circular in transverse section, broadest toward one end, attenuate toward and much narrower at the other, both ends rounded; slenderly turbinate or obturbinate; like a pear. |
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microspore |
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STRUCTURE |
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A male spore; a spore of the smaller of the two types produced by the sporophytes of a heterosporous taxon; produced in a microsporangium; giving rise upon germination to a microgametophyte. |
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velutinous |
= velvety |
pubescence |
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Of or bearing dense, moderately firm, more or less erect, capillate trichomes, like velvet pile to the touch. |
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bell-shaped |
= campanulate |
solid shape |
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Circular in cross-section, inflated proximally, thence broadening gradually to a flared distal portion. |
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globular |
= globose, orbicular, rotund, spheric(al), 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 globe or sphere. |
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partite |
? cleft, dissected, divided, lobate, lobed, parted, segmented |
solid shape |
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Having two or more component sectors or peripheral protrusions that are delimited by concavities in the surface or margin and that are not proximally distinct from the remainder of the whole. The meanings of this term and its approximate synonyms sometimes have been supposed to differ according to the depth of the delimiting concavities relative to the midline or midpoint of the overall structure, and/or to the shape or proportions of the protrusions or sectors; however, there has been little consistency in the applications of the various terms according to such distinctions, which are ones only of degree and are necessarily arbitrary in any case. In general usage, these terms differ only indistinctly and connotatively: cleft, lobed (or lobate), parted (or partite) and segmented tend to connote fewer protrusions or sectors; lobate usually connotes as well a generally rounded shape; dissected tends to connote more numerous sectors that are elongate and angular. See also cut (incised, lacerate, torn), laciniate (slashed). |
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symmetric(al) 1 |
|
solid shape |
|
Divisible into essentially equal halves along one or more lines or planes. |
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crumbling |
= fatiscent; > farinaceous, mealy |
texture |
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Easily disintegrating in relatively small pieces, either spontaneously or under pressure. |
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episepalous |
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insertion |
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Upon the sepals, or partially adnate thereto and apparently arising therefrom. |
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rigent |
= rigid, stiff |
texture |
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Strongly resisting deformation over its length. |
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obcordiform |
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solid shape |
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Inversely cordiform (heart-shaped). |
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pseudopetiole |
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STRUCTURE |
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A distinctly constricted, more or less stalk-like, proximal portion of a leaf, evolutionarily derived from the blade, the original petiole reduced to the point of absence or vestigiality; esp. in Poaceae (Gramineae). |
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lenticular 1 |
= biconvex, lens-shaped |
plane shape |
|
Elongate, narrow, broadest at the middle, attenuate to acute ends, the sides convex; like the outline of a double-convex lens viewed from its edge. |
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transparent |
< hyaline, pellucid |
coloration |
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Transmitting light uniformly and without diffusion; clear, like glass. See also translucent. |
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fixation |
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CHARACTER |
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Mode of attachment to a supporting structure. |
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sculpture |
= relief |
CHARACTER |
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General topographic aspect of a surface. Overlaps conceptually with solid shape. |
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banner |
= standard, vexillum |
STRUCTURE |
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The relatively large, erect adaxial (upper) petal in a papilionaceous corolla. |
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pandurate |
= fiddle-shaped |
plane shape |
|
Basically obovate but with deep, rounded sinuses opposite one another in the proximal half; like the frontal outline of an inverted fiddle body. |
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infrafoliar |
|
insertion |
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Upon the stem directly below a leaf insertion. |
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sunken |
> immersed, impressed |
prominence |
|
Below the general level of the surrounding surface. |
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endocarp |
|
STRUCTURE |
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The innermost tissue layer of a pericarp. |
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replum pl. repla |
< dissepiment, septum |
STRUCTURE |
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The persistent wall or partition that separates the two locules of a silicle or silique. |
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sinuous |
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course |
|
Regularly wavy in one plane, curved alternately and more or less regularly to either side. |
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capillary |
= capillate, hair-like |
solid shape |
|
Finely filiform; like a hair. |
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buckler-shaped |
= scutate, scutiform |
solid shape |
|
Relatively thin with opposite broad oblong faces, planate to shallowly concave-convex, sometimes thickened about the periphery such that each face has a marginal rim; like an oblong shield. See also platter-shaped (scutellate, scutelliform), which is not clearly distinct in its application. |
