Senecio flaccidus var. monoensis

Common Name: Smooth Threadleaf Ragwort, Butterweed
O’odham Name: [unknown]
Group: Shrubs - Desert

Description

Senecio flaccidus var. monoensis is an annual that grows rapidly to form a large spray of bright green stems having thin, finely dissected leaves topped by yellow flowers. It grows in sandy and gravelly soils near rocks or in disturbed places at elevations between 1500 and 3500 ft.

Classification

Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae – Aster family
Genus Senecio L. – ragwort
Species Senecio flaccidus Less. – threadleaf ragwort
Variety Senecio flaccidus Less. var. monoensis (Greene) B.L. Turner & T.M. Barkley – smooth threadleaf ragwort

More Information

Arizona Distribution Map (USDA)