Arctostaphylos ohloneana

M. C. Vasey & V. T. Parker

Madroño 55: 240, fig. 3. 2009,.

Treatment appears in FNA Volume 8. Treatment on page 417. Mentioned on page 412.

Shrubs, erect, 1–2 m; burl absent; twigs sparsely short-hairy, usually with scattered long-glandular hairs. Leaves: petiole 3–5 mm; blade light green, not glaucous, dull, elliptic to ovate-elliptic, 1.5–3 × 1–1.5 cm, base cuneate, (not clasping), margins entire, plane, surfaces smooth, puberulent with small, interspersed, glandular-hairs, glabrescent. Inflorescences panicles, 3–5-branched, immature inflorescence pendent, branches spreading, axis 1.5–2.5 cm, 1+ mm diam., sparsely short-hairy, usually with scattered, long-glandular hairs; bracts not appressed, scalelike, ovate to deltate, 1–1.3 mm, apex acute, surfaces hairy. Pedicels 3–8 mm, glabrous. Flowers: corolla white, conic to urceolate; ovary glabrous. Fruits depressed-globose, 5–8 mm diam., glabrous. Stones distinct. 2n = 26.


Phenology: Flowering winter–early spring.
Habitat: Knobcone pine chaparral, siliceous shale ridges
Elevation: 300-400 m.

Discussion

Of conservation concern.

Arctostaphylos ohloneana is known from northern Ben Lomond Mountain in northern Santa Cruz County.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

... more about "Arctostaphylos ohloneana"
V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
M. C. Vasey & V. T. Parker +
short-hairy +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
not furrowed +
gray +  and reddish +
persistent +
exfoliating +
cuneate +
light green +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not glaucous +
elliptic;ovate-elliptic +
coriaceous +
1cm;1.5cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
ovate +  and deltate +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
300-400 m. +
undifferentiated +
fusiform +
stonelike +
indehiscent +
depressed-globose +
Knobcone pine chaparral, siliceous shale ridges +
multicellular +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
tenuinucellate +  and unitegmic +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
reduced +
not sticky +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering winter–early spring. +
4-5-carpellate +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
prostrate +  and erect +
peltate +  and capitate +
distinct +
straight +
hairy +  and puberulent +
Undefined tribe Arbuteae +
Arctostaphylos ohloneana +
Arctostaphylos +
species +
short-hairy +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
heterotrophic +, autotrophic +  and mycotrophic +