Polygala obscura – Velvetseed Milkwort

Polygala obscura - Velvetseed Milkwort

Polygala obscura - Velvetseed Milkwort

Plant Name

Scientific Name: Polygala obscura

Synonyms: Polygala orthotricha, P. puberula

Common Name: Velvetseed Milkwort

Plant Characteristics

Duration: Perennial

Growth Habit: Subshrub, Herb/Forb

Arizona Native Status: Native

Habitat: Upland, Mountain

Flower Color: Greenish purple

Flowering Season: Summer. This wildflower blooms after the summer monsoon rains have arrived.

Height: To 2 feet (61 cm) tall

Description: The flowers have 2 petal-like lateral sepals and a tubular, dorsally-cleft, central keel of fused petals. The flowers are followed by velvety, ovate, green seed capsules that dry and flatten to translucent seed disks. The leaves are green, alternate and broadly linear to narrowly lanceolate. The stems are green, upright, and covered in fuzzy, flattened or curved hairs.

The similar Blue Milkwort (Polygala barbeyana) has narrower leaves.

Classification

Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Rosidae
Order: Polygalales
Family: Polygalaceae – Milkwort family
Genus: Polygala L. – polygala
Species: Polygala obscura Benth. – velvetseed milkwort

More About This Plant

Arizona County Distribution Map