Coast Boykinia, Coastal Brookfoam, Slender Boykinia
Boykinia occidentalis
Synonyms: Boykinia cincinnata, Boykinia elata, Boykinia vancouverensis, Therofon cincinnatum
Images of coast boykinia as seen in the webmaster's garden in Gresham, OR.........June 17, 2016.
Characteristics:
Coast boykinia is a perennial with slender, leafy stems from 15-60 cm high
arising from several basal leaves. The stem may be sparsely glandular-hairy,
sometimes red- or brown- woolly below. The leaves are orbicular, sharply cleft
5-7 times, the lobes toothed and with sharp points.. The leaves are thin and
have smooth surfaces except for the veins below. The leaves are 4-8 cm wide.
The basal and lower leaves of the stem have long, slender petioles which are
glandular-hairy, while the upper leaves become sessile. The stem leaves are
alternate. The inflorescence is an open, loose panicle. The white flowers have 5 petals
which are 5-6 mm long and are broadly spatulate or obovate in shape. The calyx
is is bell-shaped and about 4 mm long.
Habitat:
Coast boykinia may be found in moist shady woods and along streams.
Range:
Coast boykinia may be found between the coast and the western slopes of the
Cascades from British Columbia south to southern Oregon, and south along the
coast and in the Sierra Nevada of California.
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Images of coast boykinia as seen in the webmaster's garden in Gresham, OR.........June 17, 2016.
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What might be coast boykinia as seen near Ahlstroms Prairie, Olympic National Park..........July 26, 2014.
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Coast boykinia as seen along the Cape Arago Trail at Shore Acres State Park.........April 19, 2016.
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Basal leaf of coast boykinia as seen at left along the Neahkanie Mountain South Trail in northwestern Tillamook County, Oregon........April 6, 2016. The photo at right shows a leaf of coast boykinia as seen along the Castle Rock Trail #3506, Willamette National Forest........June 24, 2018.
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These 4 photos show coast boykinia as seen in a clearing along the Wolf Creek Falls Trail in the Umpqua National Forest..........June 26, 2005.
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Coast boykinia from Saddle Mt. State Park, Coast Range,
OR.
Paul Slichter