Arctostaphylos gabilanensis

V. T. Parker & M. C. Vasey

Madroño 51: 322, fig. 1. 2004 ,.

Common names: Gabilan manzanita
Treatment appears in FNA Volume 8. Treatment on page 431. Mentioned on page 412.

Shrubs or trees, erect, 1–5 m; burl absent; twigs sparsely short-hairy with sessile glands among hairs. Leaves: petiole 1–4 mm; blade gray-glaucous, dull, ovate, 1.5–3.5 × 1.1–2.4 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, canescent, glabrescent. Inflorescences panicles, 1–4-branched; immature inflorescence pendent, branches spreading, axis 1–3 cm, 1+ mm diam., sparsely short-hairy with sessile glands among hairs; bracts not appressed, (spreading), scalelike (lowermost leaflike), deltate, 3–5 mm, (fleshy), apex mucronate, surfaces hairy. Pedicels 8–10 mm, hairy or glabrous. Flowers: corolla white to pink, conic to urceolate; ovary glabrous, (not viscid). Fruits globose, 10–15 mm diam., glabrous, (not viscid). Stones connate into single sphere. 2n = 26.


Phenology: Flowering winter–early spring.
Habitat: Chaparral on decomposing granites
Elevation: 300-700 m

Discussion

Of conservation concern.

Arctostaphylos gabilanensis is known from two disjunct populations in the Gabilan Mountains, San Benito and Monterey counties.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
V. T. Parker & M. C. Vasey +
short-hairy +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not furrowed +
gray +  and reddish +
persistent +
exfoliating +
auriculate-clasping +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
gray-glaucous +
coriaceous +
1.1cm;2.4cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
deltate +  and scale-like +
Gabilan manzanita +
white +  and pink +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
300-700 m +
undifferentiated +
fusiform +
stonelike +
indehiscent +
globose +
Chaparral on decomposing granites +
multicellular +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
tenuinucellate +  and unitegmic +
glabrous +  and hairy +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
reduced +
not sticky +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 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 +
straight +
hairy +, glabrescent +  and canescent +
Undefined tribe Arbuteae +
Arctostaphylos gabilanensis +
Arctostaphylos +
species +
short-hairy +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
tree +  and shrub +
heterotrophic +, autotrophic +  and mycotrophic +