Arctostaphylos montereyensis

Hoover

Leafl. W. Bot. 10: 87. 1964 ,.

Common names: Monterey manzanita
EndemicConservation concern
Treatment appears in FNA Volume 8. Treatment on page 426. Mentioned on page 414.

Shrubs, erect, 1–3 m; burl absent; twigs finely glandular-hairy. Leaves: petiole 4–6 mm; blade light green, reddish, or slightly glaucous, dull, orbiculate-ovate to orbiculate, 2–3 × 1.5–3 cm, base rounded, truncate, or slightly lobed, margins entire, plane, surfaces papillate, scabrous, finely glandular-hairy. Inflorescences panicles, 4–10-branched; immature inflorescence pendent, branches crowded, axis 1–2 cm, 1+ mm diam., densely glandular-hairy; bracts not appressed, (green), leaflike, lanceolate, 3–12 mm, apex acuminate, surfaces glandular-hairy. Pedicels 5–6 mm, finely glandular-hairy. Flowers: corolla white, urceolate; ovary glandular-hairy. Fruits depressed-globose, 8–12 mm diam., finely glandular-hairy, (viscid). Stones distinct or partially connate. 2n = 26.


Phenology: Flowering winter–early spring.
Habitat: Maritime chaparral
Elevation: 0-500 m

Discussion

Of conservation concern.

Arctostaphylos montereyensis is known from sandy soils, ranging from dunes to sandstone outcrops, in the southern Monterey Bay area, Monterey County. Plants found on Fort Ord with auriculate leaf bases and blue-green leaves may represent hybrids with A. pajaroensis.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
Hoover +
glandular-hairy +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
not furrowed +
gray +  and reddish +
persistent +
exfoliating +
lobed;truncate;lobed;truncate;rounded +
reddish +  and light green +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
orbiculate-ovate;orbiculate +
coriaceous +
1.5cm;3cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
lanceolate +
Monterey manzanita +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
0-500 m +
undifferentiated +
fusiform +
stonelike +
indehiscent +
glandular-hairy +
depressed-globose +
Maritime chaparral +
multicellular +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
glandular-hairy +
tenuinucellate +  and unitegmic +
glandular-hairy +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
reduced +
not sticky +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering winter–early spring. +
4-5-carpellate +
Leafl. W. Bot. +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
Endemic +  and Conservation concern +
prostrate +  and erect +
peltate +  and capitate +
connate +  and distinct +
straight +
glandular-hairy +
papillate +
Undefined tribe Arbuteae +
Arctostaphylos montereyensis +
Arctostaphylos +
species +
glandular-hairy +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
heterotrophic +, autotrophic +  and mycotrophic +