South Dakota Native Plant Research
Ipomea leptophylla

Scientific Name

Ipomea leptophylla


Download Seed: Seeds are covered with short brown hair. (67 KB)

Download Seedling: One month old seedling grown in research greenhouse at SDSU. (74 KB)

Download Vegetative: Leaves (4-10 cm long) have a short petiole. Plant compact bush to 1.5 m diameter. (96 KB)

Download Flowering: Twisted buds open into funnel-shaped flowers (29 KB)

Download Research Gardens: First seasons growth of seeds planted in research garden near Brookings, S.D. (138 KB)

Family Name


Common Name

Bushmorning glory, man root, man-of-the-earth


Ipomea leptophylla is a(n) perennial shrub-like, herbaceous, which grows 0.3 to 1.2 m in height. This species is commonly found sandy prairie, waste ground, roadsides, and stream banks in South Dakota to Texas, New Mexico, and Montana. Also found insandy, silty, gravelly places from Texas to central Montana. The leaves are linear, linear-lanceolate. Ipomea leptophylla has lavender-pink red-purple flowers that bloom from June to October.

Additional Notes: Tap root is very large and woody, with extremely large specimens approaching 100 kg.

Horticulture Notes

Seed Collection: Collect seed in July-Sept. when dark brown in color
Germination: Scarification
Vegetative Propagation: Tubers
Soils: Sandy
Light: Full sun
Water: Tolerates dry to moist conditions
Notes: Plants that receive good soaking and freezing before warm weather won’t germinate until days and nights are warm. Soak seeds overnight in warm water. Transplant when dormant only.

Ipomea leptophylla