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obconic(al) |
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solid shape |
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Transversely round, essentially triangular in median longitudinal section, and broadest distally; inversely conic(al) (cone-shaped). |
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…angled |
= …gonous |
solid shape |
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Elongate with the number of longitudinal angles indicated by the prefix, the intervening sides transversely flat or curved; as in four-angled. See also …angular (…gonal), deltoid, obdeltoid, triquetrous. |
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lens-shaped 2 |
= biconvex, lenticular |
solid shape |
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Relatively thin with two round, convex, opposite broad faces intersecting acutely at the circumferential edge; like a double-convex lens. See also disciform (discoid), meniscoid. |
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fistulose |
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solid shape |
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Basically tubular with closed ends. |
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scrotiform |
= scrotum-shaped |
solid shape |
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Saccate (bag-, pouch- or sack-shaped) and somewhat swollen bilaterally in the distal portion; like a scrotum. |
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palmatifid |
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solid shape |
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Palmately lobate; having three or more lobes whose longitudinal axes radiate from a common point. |
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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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needle-shaped |
= acerose, acicular |
solid shape |
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Rounded in cross-section and very slenderly elongate, broadest near the middle, and gradually attenuate to an acute apex and a slightly blunter base. |
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lancehead-shaped 2 |
= lanceoloid, lanciform |
solid shape |
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Considerably longer than broad, compressed or not, broadest near the base and somewhat concavely attenuate to the apex, the attenuation in all median longitudinal planes or else largely confined to one, depending upon the extent of compression, if any. See also oblanceoloid (oblanciform). |
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complanate |
= compressed; < flattened |
solid shape |
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Flattened bilaterally, parallel to the longitudinal axis, as though pressed or squeezed from opposing sides, the external surface otherwise basically convex. This term usually implies a strong degree of flattening. See also depressed, obcompressed. |
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acephalous 2 |
= headless |
solid shape |
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Not terminating in a head-like portion, esp. when one might be expected. |
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squamiform |
= scale-like |
solid shape |
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Isodiametric to elongate in broad outline, relatively very thin, and planate to moderately concave-convex. |
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hook-shaped |
= unciform |
solid shape |
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Very slenderly elongate with a more or less straight proximal portion and a recurved terminal portion, the whole resembling a hook. |
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globose |
= globular, 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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ridged |
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solid shape |
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Having one or more ridges; esp. fruits of Apiaceae (Umbelliferae). |
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dimidiate |
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solid shape |
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Halved, figuratively; bilaterally asymmetric, nearly or wholly lacking one side as implicitly compared with some corresponding bilaterally symmetric structure, real or imagined. |
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scrotum-shaped |
= scrotiform |
solid shape |
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Saccate (bag-, pouch- or sack-shaped) and somewhat swollen bilaterally in the distal portion; like a scrotum. |
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feather-shaped |
= plumose |
solid shape |
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Having a slender central axis bearing two opposite ranks of numerous, closely proximate, ascending, very slender branches or appendages; resembling the generalized form of a feather. |
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prismatic |
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solid shape |
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Uniformly polygonal in transverse section, basally and apically truncate, all faces essentially plane. |
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acerose |
= acicular, needle-shaped |
solid shape |
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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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kneecap-shaped |
= patelliform |
solid shape |
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Thickly meniscoid, like a human kneecap. |
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dolabrate |
= axehead-shaped |
solid shape |
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Like an axehead oriented cutting edge downward. This term is not semantically distinct from dolabriform, but botanically they have had somewhat different applications. |
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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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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). |
