Corallorrhiza maculata
 
Spotted Coralroot

Column and Ovary, Bottom/Side

Center Block, Cypress Hills Interprovincial Park
09-July-2011

The basal portions of the two lateral sepals are extended to form a projection called a mentum.  Note the pollinia are often unequal in size.

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Maculata: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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stems often over 3 mm wide; NOT [stems usually less than 3 mm wide]

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stems usually purplish; NOT [stems yellowish]

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flowers longer than 10 mm; NOT [flowers small, not longer than 10 mm]

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flowers more spotted than striped; NOT [flowers conspicuously striped]

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sepals and petals 3-nerved; NOT [sepals and petals 1-nerved]

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lip over 5 mm long; NOT [lip 4-5 mm long]

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lip with 2 lateral lobes; NOT [lip entire or undulate]

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lip usually white and purple-spotted; NOT [lip usually purple-striate]

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spur conspicuous; NOT [spur none, but petals and sepals somewhat gibbous at base]

 

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Corallorrhiza: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 
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rhizome coralloid

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plants saprophytic, without chlorophyll

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plants with reduced, scale-like non-green leaves; NOT [leaves with well-developed blades]

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flowers 2 to many, in racemes or spikes; NOT [flower solitary]

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flowers mostly smaller; NOT [flowers large, to 8 cm long]

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lip concave or flag, not mocassin-shaped; NOT [lip a large, inflated sac or pouch, mocassin-shaped]

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fertile anther 1; NOT [fertile anthers 2]