Polanisia dodecandra – Redwhisker Clammyweed

Polanisia dodecandra - Redwhisker Clammyweed, Red-whisker Clammyweed, Roughseed Clammyweed, Clammy-weed

Polanisia dodecandra - Redwhisker Clammyweed, Red-whisker Clammyweed, Roughseed Clammyweed, Clammy-weed

Plant Name

Scientific Name: Polanisia dodecandra

Common Names: Redwhisker Clammyweed, Red-whisker Clammyweed, Roughseed Clammyweed, Clammy-weed

Plant Characteristics

Duration: Annual

Growth Habit: Herb/Forb

Arizona Native Status: Native

Habitat: Desert, Upland, Riparian. This weedy wildflower grows in dry, sandy washes.

Flower Color: White to cream

Flowering Season: Spring, Summer, Fall

Height: To 3 feet (91 cm) tall

Description: The flowers are in terminal clusters. The individual flowers are 3/4 inch (1.9 cm) across and have 4 white, spoon-shaped, clawed petals on the top side of the flower, a bright orange nectary, and up to 20 long, reddish to red-purple stamens (the red "whiskers"). The flowers are followed by erect, elongated, cylindrical seed capsules. The leaves are light green, hairy, sticky, coldly clammy to the touch, and trifoliate with 3 lanceolate or elliptic leaflets. The stems are hairy, upright, and branched.

Special Characteristics

Foul-smelling – The glandular-hairy foliage has a strong, weird, unpleasant smell.

Classification

Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Dilleniidae
Order: Capparales
Family: Capparaceae – Caper family
Genus: Polanisia Raf. – clammyweed
Species: Polanisia dodecandra (L.) DC. – redwhisker clammyweed

More About This Plant

Arizona County Distribution Map