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Physaria pycnantha
Grady & O'Kane
Family:
Brassicaceae
Mountain-View Bladderpod
FNA
Resources
Steve L. O´Kane Jr. in Flora of North America (vol. 7)
Perennials;
caudex branched, (densely cespitose and forming hemispheric mounds); densely pubescent, trichomes 5-rayed, rays bifurcate near base, fused at base, (strongly tuberculate throughout).
Stems
few to several from base, erect, (usually exceeding basal leaves), 0.3-0.7 dm.
Basal leaves:
blade linear-spatulate, 1.5-4 cm, (base narrowed gradually to petiole), margins entire.
Cauline leaves:
blade spatulate, similar to basal.
Racemes
crowded in distal 1/3, (4-10-flowered).
Fruiting pedicels
(loosely to strongly sigmoid), 6-10 mm.
Flowers:
sepals (pale yellow), oblong to elliptic, 3-4 mm, (median pair usually thickened apically, cucullate); petals (sometimes with slight tinge of orange basally), lingulate, 4-6 mm.
Fruits
ellipsoid, slightly inflated (somewhat latiseptate), 4-5 mm, (apex acute); valves pubescent, trichomes erect, appearing slightly shaggy; ovules 4-8 per ovary; styles 2.5-3 mm, (shorter than mature fruits).
Seeds
± flattened, convex on outer side.
Flowering late May-Jun(-Jul). Dry, windswept knolls of limestone gravel, with other cushion-forming plants; 1600-2300 m; Idaho, Mont.
Physaria pycnantha
is morphologically similar to 56.
P. nelsonii
.
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