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Habenaria sparsiflora

Common name:   Family: Orchidaceae
Author: Watson. Botanical references: 71
Synonyms: Platanthera sparsiflora ((S. Watson.) Schlechter.)
Known Hazards: None known
Range: Western N. America - Washington to Arizona and California.
Habitat: Found mainly along the sides of streams or in boggy places in montane coniferous forests, 1200 - 3300 metres[71]
Edibility Rating (1-5): 1Medicinal Rating (1-5):0

Other Possible Synonyms:From various places across the web, may not be correct. See below.
Limnorchis sparsiflora[B,P] Platanthera sparsiflora var. sparsiflora[B,P]
Other Common Names:From various places around the Web, may not be correct. See below.
Canyon Bog Orchid [B,P],
Epithets:From a Dictionary of Botanical Epithets
flora = flowered sparsiflora = sparsely flowered
Systematics:From a USDA Plants Database
Order: Orchidales. Orchid family

Physical Characteristics

Perennial growing to 0.6m. . The flowers are hermaphrodite (have both male and female organs). We rate it 1/5 for edibility and 0/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It requires moist soil.

Habitats and Possible Locations

Bog Garden, Woodland, Sunny Edge, Dappled Shade.

Edible Uses

Leaves.

The plant has been used as food in times of food shortage[257].

Medicinal Uses

Disclaimer

None known

Other Uses

None known

Cultivation details

We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in many parts of this country.
Orchids are, in general, shallow-rooting plants of well-drained low-fertility soils. Even those species that grow in bogs tend to be in the drier areas of the bog with plenty of water 15cm or more below soil level. Their symbiotic relationship with a fungus in the soil allows them to obtain sufficient nutrients and be able to compete successfully with other plants. They are very sensitive to the addition of fertilizers or fungicides since these can harm the symbiotic fungus and thus kill the orchid[230].

Propagation

Seed - surface sow, preferably as soon as it is ripe, in the greenhouse and do not allow the compost to dry out. The seed of this species is extremely simple, it has a minute embryo surrounded by a single layer of protective cells. It contains very little food reserves and depends upon a symbiotic relationship with a species of soil-dwelling fungus. The fungal hyphae invade the seed and enter the cells of the embryo. The orchid soon begins to digest the fungal tissue and this acts as a food supply for the plant until it is able to obtain nutrients from decaying material in the soil[200]. It is best to use some of the soil that is growing around established plants in order to introduce the fungus, or to sow the seed around a plant of the same species and allow the seedlings to grow on until they are large enough to move.
Division in autumn. The plant is very intolerant of root disturbance, any moving or dividing should be attempted in the autumn, keep a large ball of soil around the plant[1].

Suppliers

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

Web References

References for Platanthera sparsiflora (a possible synonym). References for Platanthera sparsiflora var. sparsiflora (a possible synonym).

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).

[71] Munz. A California Flora. University of California Press 1959
An excellent flora but no pictures. Not for the casual reader.

[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

[230] Cribb. P. & Bailes. C. Hardy Orchids. Orchids for the Garden and Frost-free Greenhouse. Christopher Helm. London. 1989 ISBN 0 7470 0416 1
An excellent book looking at the orchids that can be grown outdoors in temperate climates and giving lots of information on how to grow them. Very lttle information on their uses.

[257] Moerman. D. Native American Ethnobotany Timber Press. Oregon. 1998 ISBN 0-88192-453-9
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.


Readers Comments


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Plant information taken from the Plants For A Future - Species Database. Copyright (c) 1997-2003.
WEB search engine by Rich Morris - Home Page- Contact Info
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