Scientific Name: Tecoma stans
Synonyms: Bignonia stans, Stenolobium stans
Common Names: Yellow Trumpetbush, Yellow Trumpet Bush, Yellow Bells, Yellow Trumpet-flower, Yellow Elder
Duration: Perennial, Frost deciduous
Growth Habit: Tree, Shrub
Arizona Native Status: Native
Habitat: Desert (upper elevation), Upland. Yellow Trumpetbush grows on rocky hillsides and is typically found in the lower mountain foothills. This plant is frost sensitive, so it prefers warm locations like sunny, south-facing hillsides where the cold winter air drains away at night. Because it has showy flowers and attractive foliage, this plant is also grown as a garden and landscaping plant here.
Flower Color: Yellow
Flowering Season: Spring, Summer, Fall
Height: To 20 feet (6.1 m) tall, but usually less here due to hard frosts and limited water
Description: The trumpet-shaped flowers are clustered at the branch tips. The individual flowers are broadly tubular, 2 inches (5 cm) long, and have 5 rounded lobes. The flowers are followed by 8 inch (20 cm) long, narrow, brown seed pods. The leaves are pinnately compound with an odd number of green, toothed, lanceolate leaflets.
Hummingbird Flower – The flowers attract hummingbirds and also large, black Carpenter Bees (Carpenter bees (Xylocopa spp.).
Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Family: Bignoniaceae – Trumpet-creeper family
Genus: Tecoma Juss. – trumpetbush
Species: Tecoma stans (L.) Juss. ex Kunth – yellow trumpetbush
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