Angelica acutiloba with distinct calyx and white corolla. However, the calyx is often reduced with obsolete calyx teeth. The flowers have five petals, sepals, and stamens. The white petals are often obovate to oblong. The inflorescences contain fifteen to forty-five pubescent rays, 1–10 cm in length, which surround about thirty small disk flowers. The peduncles which hold the entire inflorescence are glabrous or pubescent and 5–20 cm long. While the stalks of each single flower in the flower clusters called pedicels, are thin and often sessile. The whorl of bracts beneath the inflorescences is called involucre. It consists of phyllaries, modified bracts,
Scutellaria nana each borne in a calyx of sepals with a prominent ridge on the upper surface. The corolla is up to 2 centimeters long, tubular in shape, and generally white or yellowish with purple mottling on the lips. Like several other skullcap species, this plant is used medicinally. Scutellaria nana Scutellaria nana is a species of flowering plant in the mint family known by the common names dwarf skullcap and dwarf scullcap. It is native to the western United States, especially in and around the Great Basin. It grows in plateau scrub, often on volcanic soils. It is a small perennial