Lepidium sativum
Lepidium ostleri
garden cress, garden cress pepperwort, garden pepper-grass, garden pepperweed, garden pepperwort, gardencress pepperweed, pepper cress
Ostler's pepperweed
simple from base, erect, branched distally, (1–)2–8(–10) dm.
simple from base (caudex branch), erect to ascending, unbranched distally, (0.1–)0.3–0.8 dm.
(withered by anthesis);
not rosulate;
petiole 1–4 cm;
blade 1- or 2-pinnatifid or pinnatisect (lobes ovate to oblong), 2–8(–10) cm, margins (of lobes) entire or dentate.
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.
petiolate;
blade similar to basal, usually less divided, rarely undivided, (distal) often linear, bases not auriculate, margins entire.
sessile;
similar to basal, smaller, base not auriculate.
considerably elongated in fruit;
rachis glabrous.
slightly elongated in fruit;
rachis puberulent, trichomes straight or curved, cylindrical.
sepals oblong-obovate, 1–1.8 × 0.5–0.8 mm;
petals white or lavender, spatulate to obovate, 2–3.5(–4) × 0.7–1.4 mm, claw 1–1.4 mm;
stamens 6;
filaments (median pairs) 1.5–2 mm, (glabrous);
anthers 0.4–0.5 mm.
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.
suberect to ascending, appressed to rachis, straight, (terete or slightly flattened), 1.5–4(–6) × 0.4–0.6 mm, glabrous.
divaricate-ascending to subhorizontal, straight or slightly curved, (not winged), (2.5–)3–5(–6.5) × 04–0.5 mm, densely puberulent throughout.
broadly ovate or ovate-oblong, (4–)5–6.4(–7) × 3–4.5(–5.6) mm, apically broadly winged, apical notch 0.2 0.8 mm deep;
valves thin, smooth, not veined, glabrous;
style 0.1–0.5(–0.8) mm, usually included in, rarely subequaling, apical notch.
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.
(reddish brown), ovate-oblong, 2–2.7(–3) × 1–1.5 mm, (3-lobed).
ovate, 1.2–1.5 × 0.9–1.1 mm.
= 16, 32.
Lepidium sativum
Lepidium ostleri
Lepidium sativum is cultivated as a salad green and is sporadically naturalized, though never as an aggressive weed. It is seldom collected; the above range may be incomplete.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Of conservation concern.
Lepidium ostleri is known only from the San Francisco Mountains in Beaver County.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
BC
OR
WA
Flora NW
Go Botany
MD Biodiversity
MI Flora
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
