ARTICHOKE n.
The Cynara scolymus, a plant somewhat resembling a thistle, with a dilated, imbricated, and prickly involucre. The head (to which the name is also applied) is composed of numerous oval scales, inclosing the florets, sitting on a broad receptacle, which, with the fleshy base of the scales, is much esteemed as an article…
BUR; BURR n.
nd ornamental species of oak (Quercus macrocarpa) with ovoid acorns inclosed in deep cups imbricated with pointed scales. It grows in the Middle and Western United States, and its wood is tough, close-grained, and durable. -- Bur reed (Bot.), a plant of the genus Sparganium, having long ribbonlike leaves.…
QUINCUNCIAL n.
Having the leaves of a pentamerous calyx or corolla so imbricated that two are exterior, two are interior, and the other has one edge exterior and one interior; as, quincuncial æstivation. Quincuncial phyllotaxy (Bot.), an arrangement of five leaves in a spiral, each leaf two fifths of a circle from the next.…