Phoenicaulis cheiranthoides

Nuttall in J. Torrey and A. Gray

in J. Torrey and A. Gray, Fl. N. Amer. 1: 89. 1838

IllustratedEndemic
Synonyms: Arabis pedicellata A. Nelson Parrya cheiranthoides (Nuttall) Jepson Parrya cheiranthoides var. lanuginosa (S. Watson) M. Peck Parrya menziesii var. glabra Jepson Parrya menziesii var. lanuginosa S. Watson Parrya pedicellata Phoenicaulis cheiranthoides var. glabra (Jepson) Abrams Phoenicaulis cheiranthoides subsp. lanuginosa (S. Watson) Abrams Phoenicaulis cheiranthoides var. lanuginosa (S. Watson) Rollins Phoenicaulis pedicellata
Treatment appears in FNA Volume 7. Treatment on page 415.

Stems simple or few from base (caudex), (0.8–)1.2–2.5(–3) dm, glabrous. Basal leaves: petiole (1–)2–5.5(–8) cm, thickened, glabrous at base; blade linear-oblanceolate to obovate, (2–)3–7(–10) cm × (5–)8–20(–26) mm, base attenuate, apex obtuse to acute, surfaces tomentose. Cauline leaves 5–12, not overlapping; blade ovate to oblong or linear lanceolate, 0.7–2 cm × 2–6 mm, surfaces usually densely to sparsely pubescent, rarely glabrate. Racemes glabrous. Fruiting pedicels divaricate, (6–)10–30(–35) mm. Flowers: sepals 4–6 × 1.5–2.2 mm, glabrous; petals 9–13(–15) × 2.5–4 mm, attenuate to base; filaments 4–5 mm; anthers 1–1.5 mm; gynophore obsolete or, rarely, to 2 mm. Fruits divaricate, (2–)3–6(–9) cm × (2–)3–5(–6) mm; style 0.5–2 mm. Seeds (2–)2.5–3.2 × (1.5–)1.8–2.5 mm. 2n = 28.


Phenology: Flowering mid Apr-mid Jun.
Habitat: Rocky scree, rocky basaltic slopes, volcanic rubble, barren clay slopes, rimrocks, scablands, ledges of metamorphic rock outcrops, rocky crevices and open knolls, sandy banks, gravelly meadows, grassy or gravelly hillsides, sagebrush scrub and slopes, alpine slopes, volcanic boulders
Elevation: 700-2800 m

Distribution

V7 611-distribution-map.gif

Calif., Idaho, Nev., Oreg., Utah, Wash.

Discussion

Selected References

None.

Lower Taxa

None.

Ihsan A. Al-Shehbaz +
Nuttall in J. Torrey and A. Gray +
Calif. +, Idaho +, Nev. +, Oreg. +, Utah +  and Wash. +
700-2800 m +
Rocky scree, rocky basaltic slopes, volcanRocky scree, rocky basaltic slopes, volcanic rubble, barren clay slopes, rimrocks, scablands, ledges of metamorphic rock outcrops, rocky crevices and open knolls, sandy banks, gravelly meadows, grassy or gravelly hillsides, sagebrush scrub and slopes, alpine slopes, volcanic bouldersd slopes, alpine slopes, volcanic boulders +
Flowering mid Apr-mid Jun. +
in J. Torrey and A. Gray, Fl. N. Amer. +
Illustrated +  and Endemic +
Arabis pedicellata +, Parrya cheiranthoides +, Parrya cheiranthoides var. lanuginosa +, Parrya menziesii var. glabra +, Parrya menziesii var. lanuginosa +, Parrya pedicellata +, Phoenicaulis cheiranthoides var. glabra +, Phoenicaulis cheiranthoides subsp. lanuginosa +, Phoenicaulis cheiranthoides var. lanuginosa +  and Phoenicaulis pedicellata +
Phoenicaulis cheiranthoides +
Phoenicaulis +
species +