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pygmy bladderpod

Pryor Mountains bladderpod

Habit Perennials; caudex (buried), usually branched, sometimes simple, (cespitose); densely pubescent, trichomes (appressed), 4–7-rayed, rays distinct, furcate or bifurcate near base. Perennials; (delicate, short-lived); caudex simple, (sometimes elongated, covered with persistent leaf bases); usually sparsely pubescent, trichomes 7–12-rayed, rays furcate near base.
Stems

few to several from base, erect, (unbranched, slender), 0.3–1.5(–3) dm.

simple from base, erect to decumbent, (unbranched, mostly filiform, slender), 1–1.5 dm.

Basal leaves

(tufted, erect);

blade linear to very narrowly spatulate, 1–3(–4) cm, margins entire (involute).

(erect, petiole slender);

blades broadly ovate to elliptic, 0.5–1 cm, (base abruptly narrowing to petiole), margins entire.

Cauline leaves

similar to basal.

(remote, distally shortly petiolate);

blade ± spatulate, (base cuneate), margins entire.

Racemes

relatively dense.

lax, (elongated, few-flowered).

Flowers

sepals (greenish yellow), elliptic, 3.5–7 mm;

petals spatulate, 5–6 mm, (not clawed).

sepals (erect), oblong, 3.5–4 mm, (lateral pair not saccate);

petals (often fading to light purple apically), spatulate to nearly lingulate, 6–7 mm.

Fruiting pedicels

(ascending, curved or sigmoid), 2–10 mm.

(recurved to widely spreading, filiform, slender), 5–10 mm.

Fruits

(erect), ovoid (or longer than broad), usually inflated, 4–5 mm, (apex acute, slightly flattened);

valves pubescent, trichomes appressed;

ovules 4–8 per ovary;

style 2–4 mm.

(pendent), globose or subglobose, compressed, 3–4 mm;

valves ± densely pubescent;

ovules 6–10 per ovary;

style ca. 1.5 mm.

Seeds

flattened, (mucilaginous).

not seen.

2n

= 10, 20.

Physaria parvula

Physaria lesicii

Phenology Flowering May–Jul. Flowering Jun(-early Jul).
Habitat Exposed windblown ridges, gravelly hills, open rocky knolls, gravelly hilltops, clay hillsides, granitic sand, reddish soil, sagebrush, mountain scrub, and pinyon-juniper areas Pryor Mountains, on limestone soils in woodlands of Rocky Mountain juniper and/or mountain mahogany, and widely scattered Douglas-fir, fellfields dominated by bluebunch wheatgrass and cushion plants
Elevation 1800-2800 m (5900-9200 ft) 1600-2000 m (5200-6600 ft)
Distribution
from FNA
CO; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
MT
[BONAP county map]
Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 7, p. 657. FNA vol. 7, p. 649.
Parent taxa Brassicaceae > tribe Physarieae > Physaria 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. pendula, P. pinetorum, P. prostrata, P. pruinosa, P. pulvinata, P. purpurea, P. pycnantha, 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
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. 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. pycnantha, 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
Synonyms Lesquerella parvula, Lesquerella alpina subsp. parvula, Lesquerella alpina var. parvula Lesquerella lesicii
Name authority (Greene) O’Kane & Al-Shehbaz: Novon 12: 326. (2002) (Rollins) O’Kane & Al-Shehbaz: Novon 12: 325. (2002)
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