Platanthera

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Platanthera

(butterfly orchid), a genus of perennial plants of the family Orchidaceae. They are grasses with paired underground tubers, the larger of which is withered, and the smaller juicy. The stem is single with one or two contiguous leaves near the base. The flowers, which are in a loose inflorescence, are white or greenish white and have an entire lip and a long spur. There are more than 50 species (according to other sources, up to 200), distributed in the northern hemisphere. Eight species are found in the USSR. The lesser butterfly orchid (Platanthera bifolia), which has white flowers that are particularly fragrant at night, grows in the southern forest and foreststeppe zones of the European USSR and in forest meadows and thickets in the southern part of Western Siberia. Like the tubers of other orchids, the tubers of butterfly orchids are called salep and are used medicinally.

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Platanthera praeclara usually occurs in mesic swales or draws in tallgrass prairie; ideal habitats are subirrigated.

Influence of environmental factors and preliminary demographic analyses of a threatened orchid, Platanthera praeclara

In addition, other six species (Bletilla striata, Galearis cyclochila, Neottianthe cucullata, Pelatantheria scolopendrifolius, Platanthera hologlottis, and Pogonia minor, Table 1) also harbor extremely low levels of within-population genetic variation.

Patterns of Genetic Diversity in Rare and Common Orchids Focusing on the Korean Peninsula: Implications for Conservation

Data gathered subsequently in the laboratory using several analytical techniques all pointed to the discovery of a new species, and suggested that the species - named Platanthera azorica.

Rare butterfly orchid, lost for 175 years, rediscovered in the Azores

A multivariate approach to post-pollination changes in the floral scent of Platanthera bifolia (Orchidaceae).

Anatomia microscopica y metabolitos secundarios volatiles en tres estadios del desarrollo de las inflorescencias de Lantana camara (Verbenaceae)

Crossing effects on seed viability and experimental germination of the federal threatened Platanthera leucophoea (orchidaceae).

Efecto del carbon activado y acido indol acetico en el desarrollo de protocormos de Masdevallia coccinea Linden ex Lindl. y Maxillaria nutans Lindl. in vitro

Blooms: June and July Northern green orchid Platanthera aquilonis

Orchids of New York

On Java, for instance, Platanthera suzane has been used as a remedy for skin ailments (Suryowinoto 1982).

9. Orchids as a catalyst for conservation by the local communities of Danau Sentarum

Bayesian approaches for the analysis of populatioa genetic structure: an example from Platanthera leucophaea (Orchidaceae).

Inferencia Bayesiana na analise genetica de populacoes diploides: estimacao do coeficiente de endogamia e da taxa de fecundacao cruzada

The Manitoba Orchid Society, as part of its mandate, has funded research into the survival and conservation of the Western Prairie Fringed-Orchid (Platanthera praeclara) and the Small White Lady's Slipper (Cypripedium candidum).

A rose by any other name would ... still not be an orchid

84 YEARS THAT HAD ELAPSED between the discovery of the Yosemite bog orchid (Platanthera yosemitensis)by George Henry Grinnell and its official distinction as a separate species in July.

84 years that had elapsed

The Fish and Wildlife Service listed the eastern prairie fringed orchid (Platanthera leucophaea) as a threatened species in 1989.