The fascicle of light that it emits has a perfect concentration.
The variations are mainly in the number of leaves in the fascicle.
The collar with a dark area ventrad and also dorsad of the fascicle.
Sometimes, on the other hand, Danaë has a fascicle of flowers inserted on the middle of the upper surface, as in Ruscus.
The name Phacelia is from a Greek word signifying a fascicle, or bunch, and refers to the fascicled or clustered flower-racemes.
The cross-section of a cotyledon is, therefore, a triangle whose angles vary with the number composing the fascicle.
Theoretically the leaf, in section, should indicate the number of leaves composing its fascicle.
No fascicle of five leaves, that I have examined, is equally apportioned among its five members.
Therefore if absolute certainty is required, a fascicle of triquetral leaves is best determined by actual count.
It can be recognized at once by the connate leaves that form the fascicle or by the remarkable stout curved peduncle of its cone.