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knobby |
= knotty, nodose |
solid shape |
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Having knob-shaped (gongylodate, gongyloid, knot-shaped, nodiform) protrusions. See also nodulose. |
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obturbinate |
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solid shape |
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Inversely turbinate (top-shaped). See also pyriform (pear-shaped). |
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cruciate 2 |
= cross-shaped |
solid shape |
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Having two elongate, basically straight portions intersecting at a point interior to the ends of each. |
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dolabriform |
= axe-shaped |
solid shape |
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Elongate, basally terete, becoming strongly compressed toward an abruptly and unilaterally broader apex; like an axe (handle plus head). This term is not semantically distinct from dolabrate, but botanically they have had somewhat different applications. |
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spire-shaped |
= strombuliform |
solid shape |
|
Attenuate-spiral in three dimensions, the coils contiguous or not. |
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ascidiform |
= pitcher-shaped |
solid shape |
|
Having a more or less tubular, radially or bilaterally symmetrical body closed at the base and broadening toward a more or less open apex sometimes lidded or overarched by a prolongation of one side; like a pitcher. |
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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. |
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circinate 1 |
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solid shape |
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Terete and rolled downward from the apex in a tight coil. |
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acicular 2 |
= acerose, needle-shaped |
solid shape |
|
Rounded in cross-section and very slenderly elongate, broadest near the middle, and gradually attenuate to an acute apex and a slightly blunter base; like a needle. |
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boat-shaped |
= cymbiform, 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. |
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ensiform |
= sword-shaped |
solid shape |
|
Elongate and moderately slender, strongly compressed, the opposite faces plane, parallel, broadest at the base and gradually attenuate to a short, more strongly attenuate, acute apex; like a broadsword blade. |
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flask-shaped |
= ampulliform, lageniform |
solid shape |
|
Generally circular in cross-section, broadest at or below the middle, approximately globose below that and constricted above to a relatively narrow neck; like a flask. |
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turbinate |
= top-shaped |
solid shape |
|
Broadly obovoid-obconic; like a spinning top. See also pyriform (pear-shaped), obturbinate. |
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cariniform |
= keel-shaped |
solid shape |
|
Elongate, basically triangular in transverse section, tapering at one or both ends, the outer edge thus somewhat arcuate, the whole resembling the keel of a boat. |
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orbicular |
= globose, globular, rotund, spheric(al), spheroid(al) |
solid shape |
|
Uniformly convex, circular in any median section and in outline when viewed from any angle; like a sphere or globe. |
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pulley-wheel-shaped |
= trochlear |
solid shape |
|
Discoid (disciform) but with the circumferential surface concave between faces. |
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knot-shaped |
= gongylodate, gongyloid, knob-shaped, nodiform |
solid shape |
|
Approximately globose, the surface convoluted or not, like a knob or knot; usually applied only to structures or components that are relatively small. |
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bag-shaped |
= pouch-shaped, saccate, sack-shaped |
solid shape |
|
Irregularly obovoid with an exterior aspect intermediate between inflated and flaccid; like a closed pouch or bag. |
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dome-shaped |
= tholiform |
solid shape |
|
Convex overall, broadest at the base, and transversely more or less circular to elliptical throughout. |
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sellaeform |
|
solid shape |
|
See selliform. |
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lobed |
? cleft, dissected, divided, lobate, parted, partite, segmented |
solid shape |
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Having one or more component sectors or peripheral protrusions that is/are delimited by concavities in the surface or margin and that is/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 protusions 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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palmatifid |
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solid shape |
|
Palmately lobate; having three or more lobes whose longitudinal axes radiate from a common point. |
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flattened |
> complanate, compressed, depressed, obcompressed |
solid shape |
|
Convex overall but with one or more sides or ends distinctly deviating toward plane, as though pressed or squeezed there. |
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turgid |
= swollen, tumid |
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. |
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setaceous |
= bristle-shaped, setiform |
solid shape |
|
Elongate, slender, terete, straight, terminating in a fine point, and apparently stiff; like a bristle. |
