Cornus canadensis

Cornus canadensis

''Cornus canadensis'' is a species of flowering plant in the Cornaceae family, native to eastern Asia and the Russian Far East), northern USA, Colorado, New Mexico, Canada and Greenland. Unlike its relatives, which are for the most part substantial trees and shrubs, ''C. canadensis'' is a creeping, rhizomatous perennial growing to about 20 cm tall.
Bunchberry - Cornus canadensis A small herb that grows from creeping roots and is topped by four white, petal-like bracts above a whorl of leaves.  The flowers are tiny, yellowish-green, and are surrounded by the bracts.  Spotted in a coniferous forest.

One awesome thing about this plant is that it launches pollen from its anthers in one of the fastest known plant actions.  Each flower has highly elastic petals that can flip backward, releasing the filaments that are cocked underneath the petals. The filaments fling pollen out of containers that hinged to the filaments. The pollen spores are released at 24,000 meters per second and reach an altitude of 2.5 cm, where they can remain suspended until they reach a stigma on another plant. 

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Appearance

''Cornus canadensis'' is a slow-growing herbaceous subshrub growing 10–20 cm tall, generally forming a carpet-like mat. The above-ground shoots rise from slender creeping rhizomes that are placed 2.5–7.5 cm deep in the soil, and form clonal colonies under trees. The vertically produced above-ground stems are slender and unbranched. The leaves are oppositely arranged on the stem, but are clustered with six leaves that often seem to be in a whorl because the internodes are compressed. The leafy green leaves are produced near the terminal node and consist of two types: 2 larger and 4 smaller leaves. The smaller leaves develop from the axillary buds of the larger leaves. The shiny dark green leaves have 2 to 3 mm long petioles and leaf blades that are obovate. The blades have entire margins and are 3.5 to 4.8 cm long and 1.5 to 2.5 cm wide, with 2 or 3 veins and cuneate shaped bases and abruptly acuminate apexes. In the fall, the leaves have red tinted veins and turn completely red.
Dwarf Dogwood Dwarf dogwood with a backdrop of deer ferns, found trailside W. Fork Foss River trail, Washington Cornus canadensis,Foss River,Geotagged,United States,Washington state,dwarf dogwood,ferns,flower,ground cover

Habitat

''Cornus canadensis'' is a mesophytic species that needs cool, moist soils. It inhabits montane and boreal coniferous forests, where it is found growing along the margins of moist woods, on old tree stumps, in mossy areas, and amongst other open and moist habitats.Birds are the main dispersal agents of the seeds, consuming the fruit during their fall migration. In Alaska, bunchberry is an important forage plant for mule deer, black-tailed deer and moose, which consume it throughout the growing season.

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderCornales
FamilyCornaceae
GenusCornus
SpeciesC. canadensis