FNA: Physaria parvula

	Physaria parvula
	pygmy bladderpod
Habit	Perennials; caudex (buried), usually branched, sometimes simple, (cespitose); densely pubescent, trichomes (appressed), 4–7-rayed, rays distinct, furcate or bifurcate near base.
Stems	few to several from base, erect, (unbranched, slender), 0.3–1.5(–3) dm.
Basal leaves	(tufted, erect); blade linear to very narrowly spatulate, 1–3(–4) cm, margins entire (involute).
Cauline leaves	similar to basal.
Racemes	relatively dense.
Flowers	sepals (greenish yellow), elliptic, 3.5–7 mm; petals spatulate, 5–6 mm, (not clawed).
Fruiting pedicels	(ascending, curved or sigmoid), 2–10 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.
Seeds	flattened, (mucilaginous).
2n	= 10, 20.

	Physaria parvula
Phenology	Flowering May–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
Elevation	1800-2800 m (5900-9200 ft)
Distribution	CO; UT; WY [WildflowerSearch map] [BONAP county map]
Source	FNA vol. 7, p. 657.
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. 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
Name authority	(Greene) O’Kane & Al-Shehbaz: Novon 12: 326. (2002)
Web links	WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Physaria parvula

pygmy bladderpod

Habit

Perennials; caudex (buried), usually branched, sometimes simple, (cespitose); densely pubescent, trichomes (appressed), 4–7-rayed, rays distinct, furcate or bifurcate near base.

Stems

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

Basal leaves

(tufted, erect);

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

Cauline leaves

similar to basal.

Racemes

relatively dense.

Flowers

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

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

Fruiting pedicels

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

Seeds

flattened, (mucilaginous).

= 10, 20.

Physaria parvula

Phenology

Flowering May–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

Elevation

1800-2800 m (5900-9200 ft)

Distribution

CO; UT; WY

[WildflowerSearch map]

[BONAP county map]

Source

FNA vol. 7, p. 657.

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. 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

Name authority

(Greene) O’Kane & Al-Shehbaz: Novon 12: 326. (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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Physaria parvula

Physaria parvula