Vascular Plants of North Carolina
Account for Fernleaf Phacelia - Phacelia bipinnatifida   Michaux
Members of Hydrophyllaceae:
Members of Phacelia with account distribution info or public map:
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Section 6 » Order Solanales » Family Hydrophyllaceae
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AuthorMichaux
DistributionEssentially throughout the Mountains, and also ranges barely into the western edge of the Piedmont.

This is an Ohio/Tennessee Valley species, ranging mostly west of the state. It ranges from WV and OH west to MO, and south to northern GA and AL.
AbundanceFairly common to locally common across nearly all of the Mountains; uncommon at the upper portions of the western Piedmont.
HabitatThis is a characteristic Rich Cove Forest species, growing on moist soil and also often grows where the terrain is somewhat rocky, as long as the soils are rich. It also grows along rocky streams, as long there is a forest canopy.
PhenologyBlooms in April and May, and fruits in June.
IdentificationThis is a fairly slender species, containing a few branches and reaching about 1-1.5' tall. There are scattered alternate leaves along the stem, each with long petioles of 1-2" in length, and a blade about 3" long. The blade is deeply cut, often to the midrib, into about 5 segments, with additional smaller teeth along the leaf margins. The inflorescence is typically solitary, at the end of the stem, but there are multiple "branches" within this cluster of helicoid cymes, such that there can be 15-20 or more moderate-sized purple to lilac to blue-purple flowers visible at a single time. Each flower is about 1/2" across, with 5 rounded petals, in an open bell shape; in this species, the petals are entire and not fringed. The species might be somewhat difficult to identify by most biologists when not in bloom, and a few other plants have strongly jagged leaves like this species. But, once the soft purple flowers are present, it cannot be confused, as other Phacelia species have white or pale pink flowers, several species with fringed petals. Actually, Hydrophyllum virginianum is the most similar species, as that species has strongly dissected leaves and often purple flowers. But, its flowers are in dense, compact "heads", the flowers are more bell-shaped and not as flat in profile as is Phacelia, plus Hydrophyllum flowers have stamens that protrude far beyond the petals. You should be able to find this species on some of the spring wildflower walks in mountain coves in late April or early May, and relatively few such species have soft purple to blue-purple flowers.
Taxonomic CommentsNone

Other Common Name(s)Purple Phacelia, Forest Phacelia, Loose-flowered Phacelia
State RankS3S4 [S4]
Global RankG5
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