the world > plants > part of plant > reproductive part(s) > seed > [adjective] > of parts > of cotyledon or seed-leaf
tricotyledonous1828
cotyledonar1830
cotyledonous1830
cotyledonal1850
incumbent1851
cotyledonary1854
nursing1861
hypocotyledonary1875
hypocotyledonous1880
syncotyledonous1898
1880 C. Darwin & F. DarwinPower of Movement in Plants 5 With seedlings, the stem..has been called by many botanists the hypocotyledonous stem, but for brevity sake we will speak of it merely as the hypocotyl.