"Sphaero-crystals of unilin from tuber of Dahlia variabilis. A, precipitated from an aqueous solution;…
"Apparatus to measure root-pressure. T, large tube fastened to the stump of the dahlia stem by a rubber…
An illustration of a single dahlia flower. Dahlia is a genus of bushy, tuberous, perennial plants native…
An illustration of a double variety dahlia flower. Dahlia is a genus of bushy, tuberous, perennial plants…
Grafting is a method of asexual plant propagation widely used in agriculture and horticulture where…
Grafting is placing two cut surfaces of one or different plants under conditions which cause them to…
Dahlia rosea is also known as dahlia variabilis. It is the original of practically all of the old fashioned…
Cactus dahlia is the common name of dahlia juarezii. The flowers heads are a brilliant scarlet. The…
Dahlia coccinea flowers vary in color from scarlet through orange and yellow. There is no double form.