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Lindheimer's bladderpod

Habit Annuals or biennials; with a fine taproot; densely pubescent, trichomes (sessile or short-stalked), 4–7-rayed, rays usually furcate at base, sometimes bifurcate, (rough-tuberculate throughout).
Stems

several from base, erect or outer decumbent, (often several-branched, branches slender and flexuous), to 8 dm.

Basal leaves

blade pinnatisect to repand, 3–9(–14) cm, margins entire.

Cauline leaves

(sometimes secund, proximal usually petiolate, distal sessile);

blade elliptic, 1–6 cm, (distal with cuneate base), margins entire or deeply dentate.

Racemes

dense.

Flowers

sepals elliptic to oblong, 3–5.5 mm, (median pair slightly thickened apically, cucullate);

petals (sometimes drying slightly purplish), suborbicular or broadly ovate, 4.5–7(–9) mm, (narrowing gradually to short claw).

Fruiting pedicels

(horizontal or recurved and ascending at tip, sometimes loosely sigmoid), (5–)10–20 mm.

Fruits

globose or broadly ellipsoid, not or slightly inflated, (4–)5–8 mm, (smooth);

valves (not retaining seeds after dehiscence), glabrous;

replum as wide as or wider than fruit;

ovules (8–)12–16(–20) per ovary;

style (1.5–)2–3(–4) mm.

Seeds

flattened.

2n

= 12.

Physaria lindheimeri

Phenology Flowering Dec–Apr.
Habitat Heavy, black, claylike soils, or lighter, sandy soils, thickets, field-margins, roadsides, coastal prairies
Elevation 20-800 m (100-2600 ft)
Distribution
from FNA
TX; Mexico (Tamaulipas)
[BONAP county map]
Source FNA vol. 7, p. 649.
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. 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 lindheimeri, Alyssum lindheimeri, Lesquerella gracilis var. pilosa, Lesquerella lindheimeri
Name authority (A. Gray) O’Kane & Al-Shehbaz: Novon 12: 325. (2002)
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