Cypripedium acaule


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Related to Cypripedium acaule: moccasin flower, Lady slipper
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Synonyms for Cypripedium acaule

once common rose pink woodland orchid of eastern North America

References in periodicals archive ?
All but one of the three living Larix laricina noted by Swinehart (1994) have died, and the Cypripedium acaule noted by Lindsey in 1972 and Swinehart in 1993 were not observed, nor were the Lycopodium lucidulum and Lycopodium obscurum that Swinehart found in 1993.
Cost of reproduction in the pink lady's slipper orchid (Cypripedium acaule, Orchidaceae): an eleven-year experimental study of three populations.
Cypripedium acaule is highly fertile and often sets 100% of its fruits after hand-pollination.
Cypripedium acaule flowers in late spring, when deciduous trees have not yet put out their leaves.
Distribution of male and female pollination success in the orchid Cypripedium acaule in two Nova Scotia populations, expressed as percentage of the total observations (number of individuals in parentheses).
Some of the flowers are familiar to many, such as violets (Violas) and Pink Lady's Slipper (Cypripedium acaule), while others, like Trout Lily (Erythronium americanum) and Celandine Poppy (Stylophorum diphyllum), are less known but just as beautiful.
Other notable but more local herbaceous species include Carex trisperma, Coptis trifolia, Cypripedium acaule, Dryopterus spinulosa, Isotria verticillata, Lycopodium lucidulum, L.
-- -- -- Cypripedium acaule -- -- -- Decodon verticillatus -- -- P Drosera intermedia -- -- -- Drosera rotundifolia - 17, 0.17, 2 P Dryopteris spinulosa -- -- -- Dulichium arundinaceum -- -- -- Eleocharis sp.
Orchid species demonstrate more consistent pollen limitation in fruit set across years, e.g., Tipularia discolor (Snow and Whigham 1989), Cyclopogon cranichoides (Calvo 1990), Cypripedium acaule (Primack and Hall 1990), and Epidendrum ciliare (Ackerman and Montalvo 1990).
Four years of data collected in two populations of the Cypripedium acaule (Primack and Hall 1990) demonstrated consistent pollen limitation on fruit set but inconsistent results for the detection of reproductive costs.