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The shape of a pseudobulb is variable.
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Tapered: widest at base, tapered to apex. |
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Reverse taper: narrow at base, widened to apex. |
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Conical/pyriform/ovoid/ellipsoid: widest toward the base or middle (cone/pear/egg/ellipse). |
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Fusiform: widest in the middle and tapered toward the apex and base (spindle-shaped). |
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Globular: almost spherical. |
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Obovoid: like an upside down egg - broader above the middle. |
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Cylindrical: round in cross section and not tapered. |
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Slender and cane-like: the stems resemble the cane-like growth of some grasses. |
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Tetragonal: cross section shows the stem to have four sides. |