PHYLLODIUM
Phyl*lo"di*um, n.; pl. Phyllodia. Etym: [NL., fr. Gr. (Bot.)

Defn: A petiole dilated into the form of a blade, and usually with vertical edges, as in the Australian acacias.

PHYLLODY
Phyl"lo*dy, n. Etym: [See Phyllodium.] (Bot.)

Defn: A retrograde metamorphosis of the floral organs to the condition of leaves.

PHYLLOID
Phyl"loid, a. Etym: [Phyllo- + -oid.]

Defn: Resembling a leaf.

PHYLLOMANIA
Phyl`lo*ma"ni*a, n. Etym: [Phyllo- + mania.] (Bot.)

Defn: An abnormal or excessive production of leaves.

PHYLLOME
Phyl"lome, n. Etym: [Gr. (Bot.)

Defn: A foliar part of a plant; any organ homologous with a leaf, or produced by metamorphosis of a leaf.