Arctostaphylos refugioensis

Gankin

Four Seasons 2(2): 13, fig. p. 13. 1967 ,.

Common names: Refugio manzanita
EndemicConservation concern
Treatment appears in FNA Volume 8. Treatment on page 431. Mentioned on page 414, 432.

Shrubs, erect, 2–4 m; burl absent; twigs densely short-hairy with longer, gland-tipped hairs. Leaves: petiole to 2 mm; blade glaucous, dull, ovate to oblong-ovate, 3–4.5 × 2–3 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, glabrous or midrib ± finely hairy. Inflorescences panicles, 5–10-branched; immature inflorescence pendent, branches spreading (open, loose, with overlapping bracts), axis 2–3 cm, 1+ mm diam., densely short-hairy with longer, gland-tipped hairs; bracts not appressed, leaflike, ovate to wide-elliptic, 4–10 mm, apex acute, surfaces finely glandular-hairy. Pedicels 7–9 mm, finely glandular-hairy. Flowers: corolla white, conic to urceolate; ovary glabrous. Fruits globose, 10–15 mm diam., glabrous. Stones connate into single sphere. 2n = 26.


Phenology: Flowering winter–early spring.
Habitat: Chaparral
Elevation: 400-600 m

Discussion

Of conservation concern.

Arctostaphylos refugioensis is known from one population in Refugio Canyon in Santa Barbara County.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
Gankin +
short-hairy +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not furrowed +
gray +  and reddish +
persistent +
exfoliating +
auriculate-clasping +
3 cm30 mm <br />0.03 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
ovate;oblong-ovate +
coriaceous +
2cm;3cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
ovate +  and wide-elliptic +
Refugio manzanita +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
400-600 m +
undifferentiated +
fusiform +
stonelike +
indehiscent +
globose +
Chaparral +
gland-tipped +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
tenuinucellate +  and unitegmic +
glandular-hairy +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
reduced +
not sticky +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering winter–early spring. +
4-5-carpellate +
Four Seasons +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
Endemic +  and Conservation concern +
prostrate +  and erect +
peltate +  and capitate +
straight +
glandular-hairy +  and glabrous +
Undefined tribe Arbuteae +
Arctostaphylos refugioensis +
Arctostaphylos +
species +
short-hairy +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
heterotrophic +, autotrophic +  and mycotrophic +