Flora of North America species comparison

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Physaria engelmannii

Engelmann's bladderpod
Habit Perennials; caudex simple or branched, (woody, aerial); densely pubescent, trichomes (sessile or short-stalked), several-rayed, rays simple or furcate, distinct or fused at base, (asymmetrical with deep notch on one side, often with a U-shaped gap between 2 of the rays, umbonate, strongly tuberculate).
Stems

few to several from base, erect, (usually unbranched), (1.5–)2.5–4(–6) dm.
Basal leaves

blade elliptic to obovate, 2–6.5 cm, margins entire, sinuate, or remotely toothed, (surfaces occasionally sparsely pubescent).
Cauline leaves

(proximal often petiolate, distal sessile or subsessile);

blade oblanceolate to linear, 1–4 cm, margins entire.
Racemes

dense, (subumbellate).
Flowers

sepals ovate or elliptic, 5.5–10 mm, (median pair thickened apically, cucullate);

petals (bright yellow), obovate to elliptic, 8–14 mm, (sometimes with distinct claw, often retuse).
Fruiting pedicels

(ascending), relatively short.
Fruits

(shortly stipitate), ± globose or ellipsoid, not or slightly inflated, 5–8 mm;

valves (not retaining seeds after dehiscence), glabrous throughout;

replum as wide as or wider than fruit;

ovules (8–)12–20 per ovary;

style 3.5–5 mm.
Seeds

flattened.
2n

= 12, 24, 36.

Physaria engelmannii
Phenology Flowering Apr–May.
Habitat Limestone prairies, rocky ridges, pebbly shores, thin caliche soils, limestone outcrops
Elevation 150-400 m (500-1300 ft)
Distribution
from FNA
OK; TX
[BONAP county map]
Source FNA vol. 7, p. 635.
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. 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
Synonyms Vesicaria engelmannii, Alyssum engelmannii, Lesquerella engelmannii, Vesicaria engelmannii var. elatior, Vesicaria pulchella
Name authority (A. Gray) 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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