There are, also, cases of dimorphism and trimorphism, both with animals and plants.
"On the Origin of Species" by Charles Darwin
Publishes papers on dimorphic and trimorphic plants.
"The Life and Letters of Charles Darwin, Volume II (of II)" by Charles Darwin
All dimorphic and trimorphic plants present such difference in function and in size.
"More Letters of Charles Darwin Volume II" by Charles Darwin
On the character and hybrid-like nature of the offspring from the illegitimate unions of dimorphic and trimorphic plants.
"Life of Charles Darwin" by G. T. (George Thomas) Bettany
TRIMORPHIC plants, conditions of reproduction in, ii.
"The Variation of Animals and Plants Under Domestication, Volume II (of 2)" by Charles Darwin
Hexachlorethane is trimorphous, forming rhombic, triclinic and cubic crystals; the successive changes occur at about 44 deg.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various
Dimorphism and trimorphism in plants, papers on, 45.
"Charles Darwin: His Life in an Autobiographical Chapter, and in a Selected Series of His Published Letters" by Charles Darwin