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Summary

Physical Characteristics

Orchis ustulata is a BULB growing to 0.2 m (0ft 8in).
See above for USDA hardiness. It is hardy to UK zone 5 and is not frost tender. It is in flower from May to June. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, Lepidoptera (Moths & Butterflies).
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very alkaline soils.
It cannot grow in the shade. It prefers moist or wet soil.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

Lawn; Meadow; Bog Garden;

Edible Uses

Edible Parts: Root
Edible Uses: Drink

Root - cooked[2, 4, 46]. It is a source of 'salep', a fine white to yellowish-white powder that is obtained by drying the tuber and grinding it into a powder[2, 105, 177]. Salep is a starch-like substance with a sweetish taste and a faint somewhat unpleasant smell[4]. It is said to be very nutritious and is made into a drink or can be added to cereals and used in making bread etc[100, 183]. One ounce of salep is said to be enough to sustain a person for a day[100, 115].

References More on Edible Uses

Medicinal Uses

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Antiflatulent Demulcent Nutritive

Salep (see above for more details) is very nutritive and demulcent[4]. It has been used as a diet of special value for children and convalescents, being boiled with water, flavoured and prepared in the same way as arrowroot[4]. Rich in mucilage, it forms a soothing and demulcent jelly that is used in the treatment of irritations of the gastro-intestinal canal[4]. One part of salep to fifty parts of water is sufficient to make a jelly[4]. The tuber, from which salep is prepared, should be harvested as the plant dies down after flowering and setting seed[4].

References More on Medicinal Uses

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Other Uses

None known

Special Uses

Scented Plants

References More on Other Uses

Cultivation details

Prefers a sunny position and a good limey loam soil[42]. Requires a deep rich soil[1]. Orchids are, in general, shallow-rooting plants of well-drained low-fertility soils. 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]. This symbiotic relationship makes them very difficult to cultivate, though they will sometimes appear uninvited in a garden and will then thrive. Transplanting can damage the relationship and plants might also thrive for a few years and then disappear, suggesting that they might be short-lived perennials[230]. Plants can succeed in a lawn in various parts of the country. The lawn should not be mown early in the year before or immediately after flowering[200]. Plant out bulbs whilst the plant is dormant, preferably in the autumn[200]. Bulbs can also be transplanted with a large ball of soil around the roots when they are in leaf, they are impatient of root disturbance[1]. Plants seem to be immune to the predations of rabbits[233]. The flowers diffuse a powerful almond-like scent[245]. Cultivated plants are very susceptible to the predation of slugs and snails[230].

References Carbon Farming Information and Carbon Sequestration Information

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Plant 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 of the tubers as the flowers fade[230]. This species produces a new tuber towards the end of its growing season. If this is removed from the plant as its flowers are fading, the shock to the plant can stimulate new tubers to be formed. The tuber should be treated as being dormant, whilst the remaining plant should be encouraged to continue in growth in order to give it time to produce new tubers[230]. Division can also be carried out when the plant has a fully developed rosette of leaves but before it comes into flower[230]. The entire new growth is removed from the old tuber from which it has arisen and is potted up, the cut being made towards the bottom of the stem but leaving one or two roots still attached to the old tuber. This can often be done without digging up the plant. The old tuber should develop one or two new growths, whilst the new rosette should continue in growth and flower normally[230].

Other Names

If available other names are mentioned here

Native Range

Coming Soon

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so itâ€™s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants

Latin Name	Common Name	Habit	Height	Hardiness	Soil	Shade	Moisture	Edible	Medicinal
Microtis unifolia	Onion-Leaf Orchis	Perennial	0.5	8-11	LMH	SN	M	1	0
Orchis coriophora	Bug Orchis	Bulb	0.3	4-8	LMH	N	M	2	2
Orchis italica		Bulb	0.3	4-8	LMH	N	M	2	2
Orchis laxiflora	Marsh Orchis	Bulb	0.8	4-8	LMH	N	MWe	2	2
Orchis mascula	Early Purple Orchis	Bulb	0.6	4-8	LMH	SN	DM	2	2
Orchis militaris	Military Orchis	Bulb	0.6	4-8	LMH	SN	M	2	2
Orchis morio	Green-Winged Orchid, Green-winged orchid	Bulb	0.3	4-8	LMH	N	DM	2	2

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

Orchis ustulata - L.