Flora of North America species comparison

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Physaria carinata subsp. carinata

Physaria carinata
Photo is of parent taxon

Idaho bladderpod
Habit Perennials; caudex simple, (often enlarged by persistent leaf bases); densely pubescent, trichomes (sessile or short-stalked), rays furcate or bifurcate, (nearly smooth to finely tuberculate).
Stems

simple from base, decumbent, (occasionally few-branched), 0.5–1.5(–2) dm.
Basal leaves

blade elliptic to broadly obovate, triangular, rhombic, or round, 1.5–3(–4) cm, margins often sinuate or shallowly lobed.
Cauline leaves

(sessile or shortly petiolate);

blade elliptic to oblanceolate to obovate, 0.5–1.5 cm, (base narrowed to petiole), margins entire.
Racemes

compact to loose.
Flowers

sepals oblong to broadly elliptic, 4–7.5 mm, (lateral pair saccate or not);

petals spatulate, 7.5–10 mm.
Fruiting pedicels

(ascending or divaricate-spreading, straight to loosely sigmoid or curved), 4–10 mm.
Fruits

elliptic, sharply keeled on one side;

valves: margins covering replum edges, (base narrow-rounded to acute, apex ± acute), pubescent inside.

(sessile or substipitate), elliptic, suborbicular, or oblong, strongly compressed (angustiseptate), 5–9 mm, (rounded to sharply keeled on 1 side, edges ± keeled);

valves: (margins covering replum edges or not), usually pubescent throughout or, rarely, glabrous inside;

ovules (4–)8–14(–16) per ovary;

style 2–4.5(–5) mm.
Seeds

slightly flattened.

Physaria carinata subsp. carinata

Physaria carinata
Phenology Flowering Jun-early Aug.
Habitat Grassy slopes, Juniperus, Cercocarpus, and mountain shrub communities, roadcuts, usually on limestone substrates, occasionally on decomposed basalt
Elevation 1600-2400 m (5200-7900 ft)
Distribution
from FNA
ID; MT; WY
[BONAP county map]
from FNA
ID; MT; WY
[BONAP county map]
Discussion

Subspecies 3 (3 in the flora).

Differences in fruit morphology become blurred and the three subspecies are often indistinguishable where their ranges meet near the intersection of Idaho, Montana, and Wyoming.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Fruits elliptic, not keeled, valve margins (thin, rounded), not covering replum edges.
subsp. paysonii
1. Fruits elliptic, suborbicular, or broadly oblong, keeled on one side, valve margins covering replum edges
→ 2
2. Fruits elliptic, bases narrow-rounded to acute, apices ± acute.
subsp. carinata
2. Fruits suborbicular to elliptic or broadly oblong, bases and apices rounded.
subsp. pulchella
Source FNA vol. 7, p. 630. FNA vol. 7, p. 629.
Parent taxa Brassicaceae > tribe Physarieae > Physaria > Physaria carinata Brassicaceae > tribe Physarieae > Physaria
Sibling taxa
P. carinata subsp. paysonii, P. carinata subsp. pulchella
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. 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. 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. carinata subsp. carinata, P. carinata subsp. paysonii, P. carinata subsp. pulchella
Synonyms Lesquerella carinata var. languida Lesquerella carinata
Name authority unknown (Rollins) 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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