Arctostaphylos nummularia subsp. mendocinoensis

(P. V. Wells) V. T. Parker

Madroño 54: 149. 2007,.

Common names: Pygmy manzanita
Basionyms: Arctostaphylos mendocinoensis P. V. Wells Four Seasons 8(3): 30, fig. 2. 1989
Treatment appears in FNA Volume 8. Treatment on page 419. Mentioned on page 418.

Shrubs prostrate, mound-forming, 0.1–0.5 m; bark on older stems gray or red-gray, rough or shredded. Leaves: petiole to 1 mm; blade oblongelliptic, 0.5–1.2 × 0.3–0.7 cm, base cuneate to obtuse.


Phenology: Flowering winter–early spring.
Habitat: Podsol soils in pygmy pine forests
Elevation: 100-200 m

Discussion

Of conservation concern.

Subspecies mendocinoensis is known from the coast of central Mendocino County. It intergrades with subsp. nummularia in morphology. Further analysis of its relationships is needed.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
(P. V. Wells) V. T. Parker +
0mm +  and 1mm +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not furrowed +
red-gray +  and gray +
persistent +
shredded +  and rough +
exfoliating +
cuneate;obtuse +
Arctostaphylos mendocinoensis +
dark green +  and light green +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
oblongelliptic +
coriaceous +
0.3cm;0.7cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
deltate +  and scale-like +
Pygmy manzanita +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
100-200 m +
undifferentiated +
fusiform +
stonelike +
indehiscent +
subcylindric +
Podsol soils in pygmy pine forests +
multicellular +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
white-hairy +
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 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Flowering winter–early spring. +
4-5-carpellate +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
Endemic +  and Conservation concern +
red-gray +  and gray +
persistent +
prostrate +  and erect +
peltate +  and capitate +
distinct +
straight +
Undefined tribe Arbuteae +
Arctostaphylos nummularia subsp. mendocinoensis +
Arctostaphylos nummularia +
subspecies +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
shrub +  and mound-forming +
heterotrophic +, autotrophic +  and mycotrophic +