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Marcus, Joseph A. Lady Bird Johnson Wildflower Center. Natural Area. |
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| Richardson, Charmaine Lady Bird Johnson Wildflower Center |
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Summary
Wavyleaf milkvine is a native desert vine recognized by its milky sap, twining stems, and clusters of attractive flowers. It thrives in harsh desert environments where few other vines prosper. Although edible uses have been documented, it is not a plant to be consumed casually. Its value lies more in traditional knowledge, ecological importance, and occasional emergency food use than as a dependable wild vegetable. Wavyleaf milkvine (Funastrum crispum) belongs to the Dogbane family (Apocynaceae), which now includes the former Milkweed family (Asclepiadaceae). Common names include wavyleaf milkvine, wavyleaf twinevine, rope-star, and milk-star. It is a perennial twining desert vine generally suited to USDA Zones 8–11. Stems commonly climb through shrubs and may reach 1–3 m in length.
Physical Characteristics

Funastrum crispum is a PERENNIAL CLIMBER growing to 2 m (6ft) by 0.1 m (0ft 4in) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 9. The flowers are pollinated by Bees, Insects.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.
UK Hardiness Map
US Hardiness Map
Synonyms
Philibertella crispa (Benth.) Vail. Philibertia crispa (Benth.) Hemsl. Sarcostemma crispum Benth.
Plant Habitats
Edible Uses
The flowers are reported to be edible after thorough cooking. All parts contain caustic latex and should be consumed only in small quantities and only after proper preparation [2-3]. Edible Uses & Rating: Food value is low to moderate. The flowers can be cooked as a vegetable, but the plant is primarily of ethnobotanical interest rather than practical food value [2-3]. Taste, Processing & Kitchen Notes: Fresh flowers possess a peculiar fragrance combining floral sweetness with musty and latex-like notes. Cooking reduces these unusual characteristics considerably. Boiled flowers develop a milder flavor, though some bitterness often remains. Discarding the cooking water is advisable. Seasonality (Phenology): Flowering generally occurs from April through August, although timing varies according to rainfall. Desert populations may bloom after seasonal moisture events. Safety & Cautions (Food Use): All milkvines contain milky latex and potentially irritating compounds. Flowers should always be cooked. Raw consumption is not recommended. Use only in moderation [2-3]. Harvest & Processing Workflow: Collect fresh flowers during peak bloom. Rinse thoroughly, boil, discard the cooking water, and use as a cooked vegetable or mixed green. Cultivar/Selection Notes: No cultivated food forms are known. Look-Alikes & Confusion Risks: May be confused with other Funastrum species. Accurate identification is important because edible parts differ between species. Traditional and Historical Uses: While not a major staple food, milkvines were occasionally utilized by Indigenous peoples of the Southwest. Their primary significance was often medicinal rather than nutritional [2-3].
References More on Edible Uses
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.
Funastrum crispum is a perennial vine with no widely documented direct medicinal uses in modern or historical herbalism. While there are general reports of traditional therapeutic properties in its broader family (Apocynaceae) and some related species, there is no reliable clinical evidence or formal consensus supporting any safe or effective medicinal use for Funastrum crispum. The lack of recognized medical applications can be broken down as follows: Family Characteristics: The genus Funastrum belongs to the dogbane and milkweed family (Apocynaceae). Some plants in this family contain active compounds such as cardiac glycosides, which are highly toxic but can be used under strict medical supervision to regulate heart function. Lack of Ethnobotanical Record: While certain related twinevines (Funastrum clausum) have been historically used in traditional remedies—such as using the milky latex to treat eye infections or crushed leaves as poultices—formal ethnobotanical records specific to Funastrum crispum are generally categorized as unknown. Safety Warning: Ingesting plants within this family without expert guidance is dangerous. The toxic compounds, such as latex and alkaloids, can cause severe gastrointestinal distress, cardiac issues, or skin/eye irritation.
References More on Medicinal Uses
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Other Uses
Flowers attract native bees, wasps, butterflies, and other nectar-feeding insects.
Special Uses
References More on Other Uses
Cultivation details
A minor edible desert vine with limited food value but considerable ethnobotanical interest. Growing Conditions: Prefers full sun, rocky soils, desert washes, and open shrublands. Habitat & Range: Native from Arizona and New Mexico to western Texas and northern Mexico. Size & Growth Habit: A twining perennial vine climbing through surrounding vegetation. Pollinators: Flowers attract native bees, wasps, butterflies, and other nectar-feeding insects. Identification Features. Twining stems with milky sap, opposite leaves with wavy margins, and clusters of pale flowers with distinctive milkweed-like floral structures. Wavyleaf milkvine (Funastrum crispum) belongs to the Dogbane family (Apocynaceae), which now includes the former Milkweed family (Asclepiadaceae). Common names include wavyleaf milkvine, wavyleaf twinevine, rope-star, and milk-star. It is a perennial twining desert vine generally suited to USDA Zones 8–11. Stems commonly climb through shrubs and may reach 1–3 m in length.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Primarily by seed. Wind dispersal occurs through silky-haired seeds released from mature follicles.
Other Names
If available other names are mentioned here
Wavyleaf milkvine, wavyleaf twinevine, rope-star, and milk-star.
Native Range
US. USA. Arizona, California, Colorado, Mexico Northeast, Mexico Northwest, New Mexico, Oklahoma, Texas.
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.
Low. Native and generally well-behaved within its natural range.
Conservation Status
IUCN Red List of Threatened Plants Status : Not listed.
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.
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Expert comment
Author
(Benth.) Schltr.
Botanical References
Links / References
For a list of references used on this page please go here
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Subject : Funastrum crispum
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