FLOWERS: Scarlet flowers are long-tubular and may appear partly two-lipped. Blooming mostly mid spring through early summer.
PERENNIAL: Tall, herbaceous wands from a perennial root-stock. Some stems may surpass 1½ m tall; mature plants may have a dozen or more stems from base.
LEAVES: Leaves are lanceolate to linear and are opposite on the stems. Leaves and stems are glabrous.
RANGE: Fairly common in the mid to upper elevations ( above 600 meters) of the Sonoran Desert along cliff faces and high on wash banks.
FRUIT: Dry capsules with a number of seeds.
UNARMED.
Like most red flowers, the flowers of P. subulatus are highly attractive to hummingbirds. Indeed hummingbirds are the principal, if not only, effective pollinator.
Notes: Corolla glabrous, narrowly tubular, and 2-lipped.Stamens didynamous, the 5th a staminode.Staminode nearly glabrous. References: Kearney & Peebles; Arizona Flora. McDougall; Seed plants of Northern Arizona. ASU specimans