monophyllous

The involucre is very remarkable, monophyllous, broad at top and 6 or 8-cleft, almost wholly concealing the calyx. —

Journal of an Expedition into the Interior of Tropical Australia 2003

'Barley and wheat come up monophyllous, but peas, beans, and chick peas polyphyllous.

The Legacy of Greece Essays By: Gilbert Murray, W. R. Inge, J. Burnet, Sir T. L. Heath, D'arcy W. Thompson, Charles Singer, R. W. Livingston, A. Toynbee, A. E. Zimmern, Percy Gardner, Sir Reginald Blomfield Various

The monophyllous condition has been considered to be the result of fusion of two or more leaflets, but however true this may be in some cases, it is not the case with this strawberry.

Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Maxwell T. Masters

They form cylindrical fascicles, rarely monophyllous, prevalently of 2, 3 or 5 leaves, occasionally of 4, 6, 7, or 8 leaves.

The Genus Pinus George Russell Shaw 1892

Seeds of the laciniated beech gave only 10\% of laciniated plants in experiments made by Strasburger; seeds of the monophyllous acacia, _Robinia Pseud-Acacia monophylla_, were found to be true in only 30\% of the seedlings.

Species and Varieties, Their Origin by Mutation Hugo de Vries 1891

Lastly real intermediates are seen between the monophyllous and the pinnate types.

Species and Varieties, Their Origin by Mutation Hugo de Vries 1891

So, for instance, in the case of Sinning, who after sowing the seeds of the common ash, got as large a proportion as 2\% of monophyllous trees in a culture of some thousand plants.

Species and Varieties, Their Origin by Mutation Hugo de Vries 1891

The walnut likewise, has its monophyllous variety.

Species and Varieties, Their Origin by Mutation Hugo de Vries 1891

The monophylly may therefore be considered as a reversion to a more primitive state and the monophyllous varieties may be called atavistic.

Species and Varieties, Their Origin by Mutation Hugo de Vries 1891

The monophyllous bastard-acacia originated in the same way.

Species and Varieties, Their Origin by Mutation Hugo de Vries 1891