acanthous
adj. C2 Proficiency acan·t·hous
adj. having a leaf shape that looks like a thorn or a sharp point. It describes leaves that are narrow and pointed at the ends.
adj. having a leaf shape characterized by a narrow, pointed tip and a broad base. Often used to describe leaves that are acuminate in form.
The plant has acanthous leaves that point upward.
The botanist noted that the acanthous leaves of this species are adapted to reduce water loss in the desert climate.
While many species in the genus exhibit broad, rounded foliage, this particular variety is distinguished by its acanthous leaves, which provide a sharp contrast to the surrounding vegetation.