Streptanthus bracteatus Streptanthus bracteatus Streptanthus bracteatus is a species of flowering plant in the mustard family known by the common names bracted jewelflower and bracted twistflower. It is endemic to Texas in the United States. This annual or biennial herb has a branching stem up to 1.2 meters tall. It is hairless and generally waxy in texture. The basal leaves have lobed or toothed blades on long petioles, and the leaves higher on the stem have smooth or toothed edges. The inflorescence is a raceme of flowers and bracts. Each flower has a bell-shaped calyx of sepals and four purple petals which
Conradina grandiflora to 1.5 centimeters in length. Each flower has a hairy, maroon-tinged calyx of pointed sepals. The flower corolla is about 2 centimeters long, with a funnel-shaped throat and a hairy, lipped mouth. It is lavender in color with darker lavender spots. This species has the largest flowers of the genus "Conradina". The plant flowers year-round. This plant grows on dunes and other landforms with deep, sandy soils, often near the coast. The habitat is generally Florida scrub, and the plant is common in remaining remnants of scrub habitat. It is well-adapted to a regime of frequent fires. It does not