Arctostaphylos nevadensis subsp. knightii

(Gankin & Hildreth) P. V. Wells

Madroño 35: 335. 1989 ,.

Common names: Knight’s manzanita
Basionyms: Arctostaphylos knightii Gankin & Hildreth Four Seasons 3(3): 24. 1970
Treatment appears in FNA Volume 8. Treatment on page 436. Mentioned on page 435.

Plants resprouting after fire; burl basal or epicormic.


Phenology: Flowering late spring.
Habitat: High-elevation forests and montane chaparral
Elevation: 600-2000 m

Discussion

Subspecies knightii occurs in the northern North Coast Ranges (Del Norte and Humboldt counties), sometimes at lower elevations on serpentinelike soils. It probably extends into southern Oregon but this has yet to be confirmed by field observation and collections.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
(Gankin & Hildreth) P. V. Wells +
short-hairy +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not furrowed +
gray +  and reddish +
persistent +
exfoliating +
cuneate +
Arctostaphylos knightii +
bright green +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
oblanceolate;obovate +
coriaceous +
1cm;1.5cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
linear-lanceolate +, linear +  and scale-like +
Knight’s manzanita +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
600-2000 m +
undifferentiated +
fusiform +
stonelike +
indehiscent +
globose +
High-elevation forests and montane chaparral +
multicellular +
1-branched +  and simple +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
tenuinucellate +  and unitegmic +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
reduced +
not sticky +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Flowering late spring. +
4-5-carpellate +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
prostrate +  and erect +
peltate +  and capitate +
distinct +
straight +
glandular-hairy +, hairy +, glabrous +, glabrescent +  and puberulent +
Undefined tribe Arbuteae +
Arctostaphylos nevadensis subsp. knightii +
Arctostaphylos nevadensis +
subspecies +
short-hairy +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
heterotrophic +, autotrophic +  and mycotrophic +