Buttonbush (Cephalanthus occidentalis var.
californicus)
Natural
History
Buttonbush is a member of the Madder
Family. It
appears as a shrub or bush to 3 feet in height. It
has shiny, dark green, lance shaped leaves with a prominent mid-vein
that grow in groups of three to 5 inches in length and 2.5 inches
in width. The plant grows near lakes and streams at elevations between
1000 - 5000 feet.
Though water birds feed on the
seeds of the Buttonbush, the foliage is poisonous
Buttonbush blooms
between June - September and produces tiny, white flowers
with 4 lobes to 0.5 inches in length and 0.13 inches in width that
grow in a ball shaped cluster. Flowers are followed by a button of
seeds to 0.75 inches in diameter.