Plant Name
Scientific Name: Vinca major
Common Names: Bigleaf Periwinkle, Large Periwinkle, Greater Periwinkle, Big Periwinkle
Plant Characteristics
Duration: Perennial, Evergreen
Growth Habit: Vine, Herb/Forb
Arizona Native Status: Introduced. This naturalized ornamental garden plant and groundcover is native to southern Europe.
Habitat: Upland, Mountain, Riparian. This plant grows in partly shady riparian woodlands in mountain canyons, where it can be quite invasive and smother other plants.
Flower Color: Violet, purple, or blue, White (rare)
Flowering Season: Spring, Summer, Early fall
Height: Up to 1 foot (30 cm) tall, but mostly prostrate and spreading
Description: The flowers are tubular, up to 2 inches (5 cm) wide, and have 5 curved, blunt-tipped, pinwheel-like lobes and a paler, pentagonal throat. The leaves have finely hairy (ciliate) margins and a truncate, rounded, or heart-shaped leaf base, and are shiny dark green, mostly hairless, opposite, and oval, egg-shaped, or heart-shaped. The longer main stems are prostrate and root at the nodes, while the shorter flowering stems are erect to leaning.
The similar Common Periwinkle (Vinca minor) has smaller flowers and smaller leaves with hairless margins and a narrower leaf base that tapers towards the stem.
Special Characteristics
Poisonous – The plants are poisonous.
Classification
Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Asteridae
Order: Gentianales
Family: Apocynaceae – Dogbane family
Genus: Vinca L. – periwinkle
Species: Vinca major L. – bigleaf periwinkle
More About This Plant