Flora of North America species comparison

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Physaria pycnantha

mountain-view bladderpod
Habit 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).
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.
Fruiting pedicels

(loosely to strongly sigmoid), 6–10 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.

Physaria pycnantha
Phenology Flowering late May–Jun(-Jul).
Habitat Dry, windswept knolls of limestone gravel, with other cushion-forming plants
Elevation 1600-2300 m (5200-7500 ft)
Distribution
from FNA
ID; MT
[WildflowerSearch map]
[BONAP county map]
Discussion

Physaria pycnantha is morphologically similar to 56. P. nelsonii.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 7, p. 659.
Parent taxa Brassicaceae > tribe Physarieae > Physaria
Sibling taxa
P. acutifolia, P. alpestris, P. alpina, P. angustifolia, P. arctica, P. arenosa, P. argyraea, P. arizonica, P. aurea, P. bellii, P. brassicoides, P. calcicola, P. calderi, P. carinata, P. chambersii, P. cinerea, P. condensata, P. congesta, P. cordiformis, P. curvipes, P. densiflora, P. didymocarpa, P. dornii, P. douglasii, P. eburniflora, P. engelmannii, P. eriocarpa, P. fendleri, P. filiformis, P. floribunda, P. fremontii, P. garrettii, P. geyeri, P. globosa, P. gooddingii, P. gordonii, P. gracilis, P. grahamii, P. hemiphysaria, P. hitchcockii, P. humilis, P. integrifolia, P. intermedia, P. kingii, P. klausii, P. lata, P. lepidota, P. lesicii, P. lindheimeri, P. ludoviciana, P. macrocarpa, P. mcvaughiana, P. montana, P. multiceps, P. navajoensis, P. nelsonii, P. newberryi, P. obcordata, P. obdeltata, P. occidentalis, P. oregona, P. ovalifolia, P. pachyphylla, P. pallida, P. parviflora, P. parvula, P. pendula, P. pinetorum, P. prostrata, P. pruinosa, P. pulvinata, P. purpurea, P. rectipes, P. recurvata, P. reediana, P. rollinsii, P. saximontana, P. scrotiformis, P. sessilis, P. spatulata, P. subumbellata, P. tenella, P. thamnophila, P. tumulosa, P. valida, P. vicina, P. vitulifera
Name authority Grady & O’Kane: Novon 17: 188, fig. 5. (2007)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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