UT, Colorado Plateau, 20060422
Robber's Roost, flowers.

Amelanchier utahensis

Sclerocactus whipplei

Lupinus argenteus? [voucher]

GEN peren, large bushy plant, in wash
LF
lflt 7, silvery, v folded, 40x4+0mm, sp strig ab, v silvery strig bel, acute, oblance-lin
petiole 40mm, no stips?
INFL v tall erect rac, fls alt, fls spread, internodes 7-20mm, pedicel 4mm, peduncle 90mm or so, v silvery strig, no bracts
SEP 8x3mm or so, lower lip 7mm, upper lips 5-6mm w 1mm notch between, v strig, asym base
BAN 12mm long, 10x8mm, 30deg, marg folded back, marg lt purp, center white w fine dk lines hidden at base, strig near middle on back
WING 13mm long, purple
KEEL 12mm, incl, sharp acute, white w dp red-purp tip, cil ab near tip

Lathyrus [voucher]

GEN viny bushy peren, smells nice
ST angled, LF even-pin, tendril at tip
lflt 10+, ellip, erect, 40x7+0mm, flat, v sp strig ab and bel
tendril coiled and sometimes forked once or twice, internode about 10mm, subsess
STIP 9x4mm, forked delt
INFL short ~d rac, 6 or so fls, pedicel 1-2mm, fls pend, peduncle 80mm or more
SEP 7x3.5mm
lobes 2mm, lin
v sp tom
BAN 20mm long, 16x20mm, 90deg, marg flat, vivid purple, glab
WING 19mm long, lter purp, glab
KEEL 15mm long, incl in wings, white, sharp pt, glab
STAM 9 + 1, incl in keel
STYLE 1, flat tip puber on top, sl > stam, incl in keel
Genus definite (see bold stuff), but neither JM nor H&C seem to have this species.

Penstemon eatonii [voucher]

GEN tall herb
LF opp, lance, rounded-obtuse, trunc to sl cord, 55x20+0mm, min puber to gland both sides? (soft and covered d with sand), sl wavy entire marg
INFL tall term rac, pedicel to 10mm, fl spread to descend
SEP 5x5mm, lobes 2x2mm delt, same hair as leaf
PET bright red, 30mm long, tube 23x7mm, lobes 7x4mm, nearly radially sym, all glab to glauc inside
STAM 4 + 1 ster, 2 longer 2 shorter but otherwise identical
fil incl, white
ster anth missing or min and < fert
ANTH cream, U-shaped, opening by lat slits near tips, glab
STYLE 1, white, glab, sl > stam
Taylor suggests this, JM keys directly to it w/o trouble and even suggests var. undosus, but I'm not willing to go that far.