carpenter's-square, eastern figwort, late figwort
Etymology: Scrophularia: named in 1474 by an Italian physician who noticed the resemblance between the rhizomal knobs of some species and the tubercular condition of human lymph nodes called scrophula
Plants: erect, perennial, up to 10' tall forb; sides of stems roundly-angled and with prominent grooves
Leaves: opposite, the stalk usually more than 1/3 as long as the blade
Flowers: red/brown, 5-parted, 1/4"-1/3" long, tubular-shaped; 4 stamens, the sterile stamen purple; inflorescence a loose, irregularly-branched, pyramid-shaped cluster often 3"- 6" wide; blooms July-Aug.
Fruits: somewhat shiny capsule
Habitat: open; woods, roadsides
Conservation Status: Native
- sterile filament dark brown or purple, often longer than wide
- mature capsules 4-6(-7) mm long
- larger leaf blades often cordate
Floristic Rating: Coefficient of Conservatism = 4, Wetland Indicator = FACU-* USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"