Phyllon

In this following the analogy of phyton already appropriated for the integer of the axis plus the phyllon or phylla it bears.

Source: wiktionary

Phylloceras ptychoicum is one of the most interesting species of all those found in the Kutch Jura, [...] The lobes are most characteristic, and on them the external and first lateral saddle are the most important parts. The external saddle is beautifully symmetrical, finishing in four phylla, of which the two corresponding ones are equal; the first lateral saddle is also divided into four terminating phylla, which are, however, not quite symmetrical.

Source: wiktionary

Corona double; phylla of the outer row almost free, 1.8 to 2 mm. long, lanceolate, [...]

Source: wiktionary

It were to be wished true, and women would idolize him, could that be made out which he recordeth of phyllon, mercury, and other vegetables, that the juice of the male plant drunk, or the leaves but applied unto the genitals, determines their conceptions unto males.

Source: wiktionary