Common names: Pale serviceberry or shadbush
Endemic
Treatment appears in FNA Volume 9. Treatment on page 650. Mentioned on page 649.

Shrubs, 0.5–6 m. Stems 1–50, often densely colonial, much branched. Leaves fully unfolded; petiole (1–) 4.5–8.5 (–18) mm; blade suborbiculate to oval or obovate, (15–) 20–29 (–44) × (10–) 14–20 (–28) mm, base rounded to subcordate, sometimes cuneate, each margin with 0 (–2) teeth on proximal 1/2 and (0–) 2–5 (–9) teeth in distalmost cm, largest teeth less than 1 mm, apex rounded, truncate, or emarginate to acute and mucronate, abaxial surface moderately (sparsely) hairy by flowering, sparsely to moderately hairy later, adaxial sparsely hairy later. Inflorescences (6 or) 7–11 (–17) -flowered, (15–) 21–29 (–38) mm. Pedicels: (0 or) 1 or 2 (or 3) subtended by a leaf, proximalmost (8–) 12–18 (–25) mm. Flowers: sepals usually erect to recurved after flowering, (1.3–) 1.6–3 (–4.5) mm; petals elliptic to broadly oval, (4–) 5.2–8 (–9.5) × (2.2–) 3.2–4.6 (–6.6) mm; stamens (12–) 17–21 (–23); styles (2 or) 3 or 4 (or 5), (1.4–) 2.1–2.7 (–3.3) mm; ovary apex moderately to densely (sparsely) hairy. Pomes often brownish, 6–10 mm diam. 2n = 2x, 4x.


Phenology: Flowering Apr–Jun; fruiting Jul–Sep.
Habitat: Dry rocky slopes, canyons, chaparral, mountainsides
Elevation: 1000–2000 m

Discussion

Amelanchier pallida is known from northern California and southern Oregon. The species is distinctive for its often broadly oval petals, relatively long proximalmost pedicels, leaves with teeth that are relatively small and few in number, and usually absent in proximal half, and much-branched habit.

Selected References

None.

Lower Taxa

None.
... more about "Amelanchier pallida"
1 cm10 mm <br />0.01 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
glabrous +  and hairy +
Christopher S. Campbell +, Michael B. Burgess +, Kevin R. Cushman +, Eric T. Doucette +, Alison C. Dibble +  and Christopher T. Frye +
Greene +
fissuring in older trees +  and smooth +
salmon colored +, brown +  and gray +
compound +  and simple +
opposite +  and alternate +
cuneate +, rounded +  and subcordate +
2.9 cm29 mm <br />0.029 m <br /> (4.4 cm44 mm <br />0.044 m <br />) +
2 cm20 mm <br />0.02 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
2 cm20 mm <br />0.02 m <br /> (2.9 cm29 mm <br />0.029 m <br />) +
suborbiculate +  and oval or obovate +
? (?) +  and ? (?) +
14mm +  and 20mm +
adnate +  and connate +
Pale serviceberry or shadbush +
Calif. +  and Oreg. +
not +  and aggregated +
1000–2000 m +
unisexual +  and bisexual +
not +  and aggregated +
not +  and aggregated +
purplish +  and nearly black pinkish or maroon-purple dark purple-blue or brownish +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Dry rocky slopes, canyons, chaparral, mountainsides +
glabrous +  and hairy +
7-11(-17)-flowered +
2.9 cm29 mm <br />0.029 m <br /> (3.8 cm38 mm <br />0.038 m <br />) +
nodding +, spreading +, drooping +, erect +, ascending +  and arching +
2.1 cm21 mm <br />0.021 m <br /> (2.9 cm29 mm <br />0.029 m <br />) +
crassinucellate +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
deciduous +
pinnate +, dentate +, serrate +  and entire +
toothed +, unlobed +  and lobed +
6-10-loculed +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
2 +  and 1 +
1 cm10 mm <br />0.01 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (0.95 cm9.5 mm <br />0.0095 m <br />) +
0 (?) +  and 4 (?) +
0.46 cm4.6 mm <br />0.0046 m <br /> (0.66 cm6.6 mm <br />0.0066 m <br />) +
Pink (?) +, Ivory (?) +  and White (?) +
free +  and distinct +
0.52 cm5.2 mm <br />0.0052 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.46 cm4.6 mm <br />0.0046 m <br />) +
0.85 cm8.5 mm <br />0.0085 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
Flowering Apr–Jun +  and fruiting Jul–Sep. +
adnate +, free +, connate +  and distinct +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Fl. Francisc., +
4-17-flowered +
not arillate +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
persistent +
free +  and distinct +
usually erect +  and recurved +
triangular +  and lanceolate +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
free +  and distinct +
erect +  and ascending +
1 +  and 50 +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
persistent +
connate +  and distinct +
basal +, lateral +, subterminal +  and terminal +
elongate +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
Amelanchier pallida +
Amelanchier +
species +
inconspicuous +