Flora of North America species comparison

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Physaria reediana

alpine bladderpod, reed's twinpod, Rollins' bladderpod
Habit Perennials; caudex simple or branched, (covered with persistent leaf bases, loosely cespitose); densely pubescent, trichomes (appressed to ascending, plant appearing shaggy, always appressed on fruits), 4- or 5-rayed, rays furcate or bifurcate, (tuberculate throughout).
Stems

few to several from base, ± erect, (arising laterally, also from within basal leaves), 0.2–0.4 dm.
Basal leaves

(erect);

blade linear-oblanceolate, 1.2–2.8 cm, (base gradually narrowed to petiole), margins entire.
Cauline leaves

blade linear, similar to basal.
Racemes

dense, (often subumbellate, not or barely exceeding basal leaves).
Flowers

sepals (pale green-yellow), oblong to elliptic, 4–5 mm, (median pair usually thickened apically, cucullate);

petals lingulate, 6–9 mm.
Fruiting pedicels

(ascending, curved), 3–5.5 mm.
Fruits

lanceolate in outline, compressed (latiseptate) on margins and at apex, 4–5 mm;

valves pubescent, trichomes closely appressed;

ovules 8–12 per ovary;

style 3.5–4.5 mm (equaling or exceeding length of fruit, curved proximal to stigma).
Seeds

plump, (oblong).

Physaria reediana
Phenology Flowering May–Jul.
Habitat Open areas of grasslands on calcareous soils
Elevation 1200-1900 m (3900-6200 ft)
Distribution
from FNA
CO; NE; WY
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 7, p. 660.
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. parvula, P. pendula, P. pinetorum, P. prostrata, P. pruinosa, P. pulvinata, P. purpurea, P. pycnantha, P. rectipes, P. recurvata, 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 alpina, Alyssum alpinum, Lesquerella alpina, Lesquerella alpina var. laevis, Lesquerella condensata var. laevis
Name authority O’Kane & Al-Shehbaz: Novon 12: 327. (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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