In architecture, an opening or a panel dividing by cusps or foliations into four leaves, or more correctly…
An illustration of white clover (left) and red clover (right). Clover (Trifolium), or trefoil, is a…
Illustrated is the root system of trifolium pratense, a variety of clover.
Crimson clover is the common name of trifolium incarnatum. It is an annual from southern Europe.
A healthy potted clover plant.
A red clover plant. It does not reproduce except from seed.
Branch of white clover showing the method of forming new plants.
A white clover plant grown from a single seed, showing spreading habit.
Crimson Clover (Trifolium incarnatum).
A genus of parasitic plants, natural order Concolvulaceae. Dodder.
A horseshoe covered in clovers.
"A genus of clover-like plants of the natural order Leguminosae, with ternate leaves, differing from…
Red clover (Trifolium pratense).
Illustrated is the penetrating root of red clover. It is a fifteen month old plant that grew in hard…
Of the sorrel family (Oxalidaceae), Oxalis filipes.
Of the sorrel family (Oxalidaceae), Oxalis grandis.
Of the sorrel family (Oxalidaceae), Oxalis repens.
White clover (Trifolium repens).