Evolvulus nummularius (L.) L.

DEPARTMENT OF BOTANY
MEDICINAL PLANTS

Evolvulus nummularius (L.) L.

Evolvulus nummularius, commonly known as blue rock bindweed or creeping bindweed, is a low-growing, perennial herbaceous plant that belongs to the Convolvulaceae family. This species is native to tropical and subtropical regions of the Americas, particularly in places like the Caribbean, Central America, and parts of South America. It is often used as a groundcover in landscaping due to its attractive flowers and its ability to spread quickly.
• Scientific Name: Evolvulus nummularius (L.) L.
• Family: Convolvulaceae (Morning Glory Family)
• Genus: Evolvulus
• Species: nummularius
Common Names:
• English: Blue Rock Bindweed, Creeping Bindweed, Blue Daze, Small Bindweed
• Malayalam: ഒട്ടുകുരു (Ottukuru), കണിയപ്പൊടി (Kaniyappodi)
• Tamil: திருக்குறி பசலை (Thirukuri Pasalai), சின்ன குறிகம்பி (Chinna Kurikambi)
• Hindi: नीला बिन्दी (Neela Bindi)
Synonyms:
• Convolvulus nummularius L.
• Evolvulus repens (L.) Lour.
• Evolvulus radicans (L.) Schult.
• Evolvulus serpens (L.) L.
Botanical Description:
• Growth Habit:
o A perennial, prostrate, and creeping herb with stems that can spread over the ground.
o It typically grows up to 30–45 cm (12–18 inches) in length.
• Leaves:
o The leaves are small, round to ovate, and are dark green in color.
o The leaf margin is entire, and the leaves are smooth on both sides, measuring around 1-2 inches in length.
• Flowers:
o The flowers are bright blue, funnel-shaped, and have a yellowish center.
o Flowers are about 1 inch (2.5 cm) across and bloom in clusters at the leaf axils.
o It is known for its continuous blooming during warm seasons, producing masses of blue flowers.
• Fruit:
o The fruit is a small capsule that contains numerous seeds. The seeds are dispersed naturally by wind and animals.
Uses:
1. Ornamental Landscaping:
o Widely used in landscaping for ground cover due to its low-growing nature and dense spread.
o It’s ideal for hanging baskets, containers, window boxes, and as a ground cover in garden beds. Its vivid blue flowers make it an attractive addition to gardens.
2. Traditional Medicinal Uses:
o In some cultures, particularly in traditional medicine systems, various parts of the plant have been used for mild medicinal purposes, though its usage is not widely recognized or heavily researched in modern pharmacology.
o Infusions of the leaves may be used as a mild remedy for ailments such as coughs or respiratory issues, although these uses are mostly anecdotal.
3. Erosion Control:
o The spreading habit of the plant can help in erosion control in gardens, by binding the soil in areas prone to runoff.