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Lepidium ostleri S.L. Welsh & Goodrich  

No occurrences found

Family: Brassicaceae
Ostler's pepperweed
Lepidium ostleri image
Daniela Roth
  • FNA
  • Resources
Ihsan A. Al-Shehbaz, John F. Gaskin in Flora of North America (vol. 7)
Perennials; (pulvinate, caudex woody, many-branched, covered with persistent petiolar remains); densely (grayish) puberulent. Stems simple from base (caudex branch), erect to ascending, un-branched distally, (0.1-)0.3-0.8 dm. Basal leaves not rosulate; petiole often undifferentiated, (expanded base to 2 mm); blade (somewhat fleshy), linear to linear-oblanceolate (when margins entire), or spatulate in outline (when apically 3-5-lobed, lobes obovate to oblong), 3-12(-15) cm × 5-15 mm, margins entire. Cauline leaves sessile; similar to basal, smaller, base not auriculate. Racemes slightly elongated in fruit; rachis puberulent, trichomes straight or curved, cylindrical. Fruiting pedicels divaricate-ascending to subhorizontal, straight or slightly curved, (not winged), (2.5-)3-5(-6.5) × 04-0.5 mm, densely puberulent throughout. Flowers: sepals orbicular to broadly obovate, 1.5-2(-2.5) × 1-1.5(-2) mm; petals white to pale purple, suborbicular to obovate, 2-3.5 × 1.5-2.5(-2.8) mm, claw to 0.5 mm; stamens 6; filaments 1.5-1.8 mm, (glabrous); anthers 0.3-0.5 mm. Fruits ovate, 2.5-3.5(-4) × 2-2.5(-3) mm, apically winged, apical notch 0.05-0.2 mm deep; valves thin, smooth, not veined, glabrous; style 0.3-0.6 mm, exserted beyond apical notch. Seeds ovate, 1.2-1.5 × 0.9-1.1 mm. Flowering May-Jun. White limestone outcrops and gravel, pinyon-juniper, sagebrush, or pine communities; of conservation concern; 1700-2100 m; Utah. Lepidium ostleri is known only from the San Francisco Mountains in Beaver County.

Lepidium ostleri image
Daniela Roth
Lepidium ostleri image
Duane Atwood
Lepidium ostleri image
Tony Frates
Lepidium ostleri image
Daniela Roth
Lepidium ostleri image
Daniela Roth
Lepidium ostleri image
Duane Atwood
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