spearleaf

Spearleaf refers to a common name that can be applied to several different plant species, particularly within the genera *Dracontium* and *Arisaema*. These plants are characterized by their distinctive leaf shape, which is elongated and tapers to a point, resembling a spearhead. The exact species referred to by "spearleaf" can vary regionally and by common usage.

In the context of *Dracontium*, commonly known as spearworts or devil's tongue, the spearleaf is a large, undivided leaf that grows from a subterranean tuber. These plants are found in tropical and subtropical regions. The inflorescence, which appears before the leaf, is often a spadix surrounded by a spathe.

Similarly, certain species within the *Arisaema* genus, often called Jack-in-the-pulpit or cobra lilies, can also be described as having spear-shaped leaves. These plants are native to temperate regions of the Northern Hemisphere. Their leaves are typically compound or deeply lobed, but the overall outline can suggest a spearhead.

The term "spearleaf" is descriptive of the foliage's morphology rather than indicating a single taxonomic entity. Identification of the specific plant requires consideration of its geographical origin, habitat, and other botanical characteristics beyond just the leaf shape.