Arctostaphylos glandulosa subsp. gabrielensis

(P. V. Wells) J. E. Keeley

Madroño 54: 60. 2007,.

Common names: San Gabriel manzanita
Basionyms: Arctostaphylos gabrielensis P. V. Wells Four Seasons 9(2): 46. 1992
Treatment appears in FNA Volume 8. Treatment on page 444. Mentioned on page 443, 445.

Twigs sparsely short-hairy, not glandular-hairy. Leaf-blades dark green to moderately gray-green, base cuneate to rounded, surfaces smooth, sparsely puberulent, glabrescent. Inflorescences: immature inflorescence axis densely white-hairy; bracts densely white-hairy. Pedicels densely white-hairy. Ovaries densely white-hairy. Fruits slightly depressed-globose. Stones mostly connate into single, sometimes weakly connate sphere.


Phenology: Flowering winter–early spring.
Habitat: Chaparral
Elevation: 1300-1500 m

Discussion

Of conservation concern.

Subspecies gabrielensis is known from the central and western Transverse Range in Los Angeles and San Bernadino counties.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

Acute (?) +, Lanceolate (?) +, Deltate (?) +, Awl-like (?) +  and Leaflike (?) +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
(P. V. Wells) J. E. Keeley +
short-hairy +  and hairy +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not furrowed +
gray +  and reddish +
persistent +
exfoliating +
cuneate;rounded +
Arctostaphylos gabrielensis +
bright green +
2 cm20 mm <br />0.02 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
slightly glaucous +  and strongly gray-glaucous +
dull +  and shiny +
elliptic;ovate +
coriaceous +
1cm;2.5cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
white-hairy +
lanceolate +, ovate +, deltate +, keeled +  and scale-like +
San Gabriel manzanita +
white +  and pink +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
1300-1500 m +
undifferentiated +
fusiform +
stonelike +
indehiscent +
glandular-hairy +  and glabrous +
depressed-globose +
dark +, pink +  and clear +
Chaparral +
multicellular +
dark green +  and moderately gray-green +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
plane;toothed;entire +
parietal +, axile +  and placentation +
white-hairy +
tenuinucellate +  and unitegmic +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
reduced +
not sticky +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering winter–early spring. +
4-5-carpellate +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
Illustrated +
prostrate +  and erect +
peltate +  and capitate +
straight +
glabrescent +  and puberulent +
papillate +
Undefined tribe Arbuteae +
Arctostaphylos glandulosa subsp. gabrielensis +
Arctostaphylos glandulosa +
subspecies +
not glandular-hairy +  and short-hairy +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
shrub +  and mound-forming +
heterotrophic +, autotrophic +  and mycotrophic +