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Asclepias quadrifolia - Jacq.
                 
Common Name Fourleaf Milkweed
Family Asclepiadaceae
USDA hardiness 4-8
Known Hazards Although no specific reports have been seen for this species, many, if not all, members of this genus contain toxic resinoids, alkaloids and cardiac glycosides[274]. They are usually avoided by grazing animals[274].
Habitats Open deciduous woods and forest margins[222].
Range Eastern N. America - New Hampshire to South Carolina, west to Kansas and Minnesota.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun

Summary

Asclepias quadrifolia Fourleaf Milkweed


Thomas G. Barnes @ USDA-NRCS PLANTS Database / Barnes, T.G., and S.W. Francis. 2004. Wildflowers and ferns of Kentucky. University Press of Kentucky.
Asclepias quadrifolia Fourleaf Milkweed
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 29.
   
Physical Characteristics
 icon of manicon of flower
Asclepias quadrifolia is a PERENNIAL growing to 0.5 m (1ft 8in).
It is hardy to zone (UK) 5. It is in flower from Jul to August, and the seeds ripen from Aug to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, insects, lepidoptera.It is noted for attracting wildlife.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

Synonyms

Habitats
 Cultivated Beds;
Edible Uses
Edible Parts: Flowers;  Leaves;  Oil;  Oil;  Seed;  Seedpod.
Edible Uses: Gum;  Oil;  Oil;  Sweetener.

The following reports refer to other members of this genus and are possibly also appropriate for this species[K]. Unopened flower buds - cooked. They taste somewhat like peas. They are used like broccoli[183]. Flowers and young flower buds - cooked. Used as a flavouring and a thickener in soups etc[55, 102]. The flower clusters can be boiled down to make a sugary syrup[2, 85]. The flowers are harvested in the early morning with the dew still on them[95]. When boiled up it makes a brown sugar[95]. Young shoots - cooked. An asparagus substitute[2, 4, 43, 55, 62, 95, 183]. They should be used when less than 20cm tall[159]. A slightly bitter taste[159]. Tips of older shoots are cooked like spinach[85, 183]. Young seed pods, 3 - 4 cm long, cooked[2, 43, 55, 85]. They are very appetizing. Best used when about 2 - 4cm long and before the seed floss forms, on older pods remove any seed floss before cooking them[85, 159]. If picked at the right time, the pods resemble okra[183]. The sprouted seeds can be eaten[183]. An edible oil is obtained from the seed[55, 171]. The latex in the stems is made into a chewing gum[46, 61]. It is found mainly in the leaves and is destroyed by frost[112]. Yields are higher on dry soils[112].
Medicinal Uses


Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Diuretic;  Laxative;  VD;  Warts.

A tea made from the roots is diuretic and laxative[222, 257]. It has also been used in the treatment of venereal diseases[257]. The leaves have been rubbed on warts in order to remove them[222]. The latex from the leaves is used, it needs to be applied daily for some time in order to be effective[K].
Other Uses
Fibre;  Gum;  Latex;  Oil;  Oil;  Pollution;  Stuffing;  Wick.

The following reports refer to other members of this genus and are possibly also appropriate for this species[K]. A good quality fibre is obtained from the bark, used in making twine, cloth, paper etc[95, 112, 169]. It is of poor quality in wet seasons[112]. It is easily harvested in late autumn after the plant has died down by simply pulling the fibres off the dried stems[169]. The seed floss is used to stuff pillows etc or is mixed with other fibres to make cloth[112, 159, 169, 171]. It is a Kapok substitute, used in Life Jackets or as a stuffing material[112]. Very water repellent, it can yield up to 550 kilos per hectare[112]. The floss has also been used to mop up oil spills at sea. Candlewicks can be made from the seed floss[112, 207]. Rubber can be made from latex contained in the leaves and the stems[46, 57, 102, 159]. It is found mainly in the leaves and is destroyed by frost[112]. Yields are higher on dry soils[112]. Pods contain an oil and a wax which are of potential importance. The seed contains up to 20% of an edible semi-drying oil[74, 112]. It is also used in making liquid soap[74].
Cultivation details
Succeeds in any good soil[187]. Prefers a well-drained light rich or peaty soil[1, 200]. Requires a moist peaty soil and a sunny position[111, 134]. A good bee plant[50, 74]. The flower of many members of this genus can trap insects between its anther cells, the struggles of the insect in escaping ensure the pollination of the plant[207]. The small, pale-lilac flowers are sweetly scented[245]. Many members of this genus seem to be particularly prone to damage by slugs. The young growth in spring is especially vulnerable, but older growth is also attacked and even well-established plants have been destroyed in wet years[K]. Plants resent root disturbance and are best planted into their final positions whilst small[134].
Propagation
Seed - best sown in a greenhouse as soon as it is ripe in the autumn or in late winter[134, 169]. We have also had good results from sowing the seed in the greenhouse in early spring[K], though stored seed might need 2 - 3 weeks cold stratification[134]. Germination usually takes place in 1 - 3 months at 18°c[134]. As soon as the seedlings are large enough to handle, prick them out into individual pots and grow them on in the greenhouse for their first winter. Plant out when they are in active growth in late spring or early summer and give them some protection from slugs until they are growing away strongly. Division in spring. With great care since the plant resents root disturbance. Pot the divisions up and place them in a lightly shaded position in the greenhouse until they are growing away strongly, then plant them out in the summer, giving them some protection from slugs until they are established.. Basal cuttings in late spring. Use shoots about 10cm long with as much of their white underground stem as possible. Pot them up individually and place them in a lightly shaded position in a greenhouse until they are rooting and growing actively. If the plants grow sufficiently, they can be put into their permanent positions in the summer, otherwise keep them in the greenhouse until the following spring and when they are in active growth plant them out into their permanent positions. Give them some protection from slugs until they are established.

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Other Names
Found In
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 it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Asclepias asperulaAntelope Horns, Spider milkweed, Trailing Milkweed21
Asclepias brachystephanaBract milkweed00
Asclepias californicaCalifornia Milkweed, Greene's milkweed21
Asclepias decumbens 20
Asclepias eriocarpaWoollypod Milkweed22
Asclepias erosaDesert Milkweed20
Asclepias galioidesBedstraw Milkweed21
Asclepias halliiPurple Silkweed, Hall's milkweed31
Asclepias incarnataSwamp Milkweed, Swamp Butterfly Weed, Marsh Milkweed32
Asclepias involucrataDwarf Milkweed21
Asclepias lanceolataPurple Silkweed, Fewflower milkweed21
Asclepias latifoliaBroadleaf Milkweed01
Asclepias mexicana 10
Asclepias ovalifoliaOval-leaf milkweed20
Asclepias pumilaLow Milkweed, Plains milkweed21
Asclepias purpurascensPurple Milkweed21
Asclepias rubraRed Silkweed31
Asclepias speciosaShowy Milkweed32
Asclepias subulataRush Milkweed01
Asclepias sullivantiiPrairie milkweed00
Asclepias syriacaCommon Milkweed, Silkweed, Milkweed32
Asclepias tuberosaPleurisy Root, Butterfly milkweed, Rolfs' milkweed, Indian Paintbrush33
Asclepias viridifloraGreen Milkweed, Green comet milkweed32
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