As a rule, however, the number in a whorl is irregular.
In the staminal whorl especially it is common to find additional rows.
When there is more than one row or whorl in a flower, those on the outside are sometimes longest, as in many Rosaceae; at other times those in the interior are longest, as in Luhea.
B, C, D, E, enlarged.) branched rootstock from which spring slender aerial shoots which are green, ribbed, and bear at each node a whorl of leaves reduced to a toothed sheath.
xvii.), and in Clavatella each whorl consists regularly of eight (Allman, loc. cit.
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