''Boykinia aconitifolia'', also known as Brook saxifrage and Allegheny brookfoam, is a species of

vascular plant Vascular plants (), also called tracheophytes () or collectively Tracheophyta (), form a large group of land plants ( accepted known species) that have lignified tissues (the xylem) for conducting water and minerals throughout the plant. They al ...

in the genus

Boykinia ''Boykinia'' is a small genus of plants related to the saxifrages. It contains at least nine species, known as brookfoams. Brookfoams are glandular rhizomatous creeping perennials with highly lobed or toothed leaves and inflorescence An inf ...

. It is native to the southeastern region of the United States, ranging from West Virginia to Alabama and Georgia. It grows in wet woodlands, on the edges of ponds and lakes, or in other moist areas, flowering in the summer. It has both basal and cauline leaves, with petioles three to eighteen centimeters long. Leaves are generally

reniform Reniform is an adjective meaning "kidney-shaped" and may specifically refer to: * Reniform leaf The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single ...

, but can be orbiculate to

cordate Cordate is an adjective meaning 'heart-shaped' and is most typically used for: * Cordate (leaf shape), in plants * Cordate axe, a prehistoric stone tool See also * Chordate A chordate () is an animal of the phylum Chordata (). All chordat ...

with three to seven lobes. The seeds are black with

tubercle In anatomy, a tubercle (literally 'small tuber', Latin for 'lump') is any round nodule, small eminence, or warty outgrowth found on external or internal organs of a plant or an animal. In plants A tubercle is generally a wart-like projection ...

s. According to the Southern Appalachian Species Viability Project, Boykinia aconitifolia is at high risk due to sedimentation and other pollutants.

References

aconitifolia Flora of the Southeastern United States Flora of West Virginia Flora without expected TNC conservation status {{Saxifragaceae-stub