Flora of North America species comparison

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Physaria douglasii subsp. douglasii

Physaria douglasii
Photo is of parent taxon

Columbia bladder-pod, Douglas' bladder-pod

Columbia bladder-pod, Douglas' bladder-pod
Habit Perennials; caudex simple; densely pubescent, trichomes (sessile or nearly so), 4–6(–10)-rayed, rays usually furcate near base, rarely bifurcate, (umbonate, tuberculate throughout).
Stems

simple from base, erect, (usually unbranched), to 4.5 dm.
Basal leaves

blade suborbicular to elliptic, 2–9.5(–11.5) cm, margins entire, sinuate, coarsely dentate, or almost lyrate-pinnatifid.
Cauline leaves

loosely arranged, blade narrowly linear.

similar to basal, blade narrowly linear or, sometimes, orbicular.
Racemes

loose (lax).
Flowers

sepals elliptic or ovate, (2–)3.5–7.5 mm, (cucullate);

petals 6–11 mm.
Fruiting pedicels

(recurved, straight, curved, or sigmoid), 6–20 mm.
Fruit(s)

valves: trichomes sessile.

obovoid to subglobose, not inflated (not angustiseptate), 3–6 mm;

valves sparsely pubescent, sometimes glabrous inside, trichomes sessile or stalked;

ovules 4(–8) per ovary;

style (1.6–)3–6 mm.
Seeds

flattened.
2n

= 10, 30.

Physaria douglasii subsp. douglasii

Physaria douglasii
Phenology Flowering Apr–Jun.
Habitat Sandy and gravelly soil, stream banks, base of granitic cliffs, sagebrush and grassy slopes, pine woods
Elevation 100-1400 m (300-4600 ft)
Distribution
from FNA
ID; MT; OR; WA; BC
[BONAP county map]
from FNA
ID; MT; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies douglasii appears to be restricted mainly to river valleys.

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

Subspecies 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Fruit valves: trichomes sessile; cauline leaves loosely arranged, blades narrowly linear; British Columbia, Idaho, Montana, Oregon, Washington.
subsp. douglasii
1. Fruit valves: trichomes stalked; cauline leaves imbricate, blades sometimes orbicular; White Bluffs adjacent to Columbia River of Washington.
subsp. tuplashensis
Source FNA vol. 7, p. 635. FNA vol. 7, p. 634.
Parent taxa Brassicaceae > tribe Physarieae > Physaria > Physaria douglasii Brassicaceae > tribe Physarieae > Physaria
Sibling taxa
P. douglasii subsp. tuplashensis
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. 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. 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
Subordinate taxa
P. douglasii subsp. douglasii, P. douglasii subsp. tuplashensis
Synonyms Lesquerella douglasii
Name authority unknown (S. Watson) O’Kane & Al-Shehbaz: Novon 12: 322. (2002)
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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