Nothochelone nemorosa
Brittonia 18: 85. 1966.
Stems clustered, 22–120 cm. Leaves: petiole 0–2(–5) mm; blade ovate to lanceolate or elliptic, (18–)40–140 × (4–)15–40 mm, base cuneate to rounded, margins with (0 or)1–5(–7) teeth per cm, ape× acute to acuminate, surfaces glabrous or puberulent-pubescent mostly along veins. Cymes 3–38 cm. Pedicels 3–27 mm; bracteoles lanceolate, 3–10 × 1–2 mm. Flowers: calyx lobes (1–)3–13 × 1–3(–4) mm; corolla tube (14–)17–23 × 8–11 mm, abaxial lip (3–)4–10 × 1–5 mm, adaxial keeled, shorter than abaxial, 2.4–5 mm; adaxial filaments 12–20 mm; staminode 7–15 mm, coarsely bearded for entire length, hairs tan to orange; ovary glabrous, septum complete, locules equal, subtended by nectariferous disc; style terete, 15–28 mm, glabrous. Capsules ovoid, 9–15 × 5–9 mm. Seeds 2–4 × 0.5–1.1 mm, including wings. 2n = 30.
Phenology: Flowering Jun–Aug.
Habitat: Cliffs, rocky places, trails in moist, humid, conifer and mixed evergreen forests.
Elevation: 0–2700(–3100) m.
Distribution
B.C., Calif., Oreg., Wash.
Discussion
Nothochelone nemorosa has sometimes been included in Chelone or Penstemon; studies of anatomy (R. M. Straw 1966; A. D. Nelson 1995) and molecular variation (A. D. Wolfe et al. 1997, 2002) support its separation in a monospecific genus.
Selected References
None.