Arctostaphylos andersonii

A. Gray

Proc. Amer. Acad. Arts 11: 83. 1876 ,.

Common names: Santa Cruz manzanita
EndemicConservation concern
Treatment appears in FNA Volume 8. Treatment on page 432. Mentioned on page 406, 410.

Shrubs or trees, erect, (arborescent), 2–5 m; burl absent; twigs densely short-hairy with long, white, gland-tipped hairs. Leaves bifacial in stomatal distribution; petiole to 4 mm; blade bright green, dull, oblong, 4–7 × 1.5–2.5 cm, base auriculate-clasping, margins entire, plane, surfaces smooth, glabrous. Inflorescences panicles, 4–6-branched; immature inflorescence pendent, branches spreading, axis 2–3 cm, 1+ mm diam., densely short-hairy with long, white, gland-tipped hairs; bracts not appressed, leaflike, lanceolate, 8–15 mm, apex acute, surfaces short-hairy with long, gland-tipped hairs. Pedicels 6–8 mm, finely glandular-hairy. Flowers: corolla white, conic; ovary finely glandular-hairy. Fruits depressed-globose, 6–8 mm diam., finely glandular-hairy, (viscid). Stones distinct. 2n = 26.


Phenology: Flowering winter–early spring.
Habitat: Chaparral, edges of open forests
Elevation: 300-900 m

Discussion

Of conservation concern.

Arctostaphylos andersonii is known from the central and southern Santa Cruz Mountains in Santa Cruz and Santa Clara counties.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

... more about "Arctostaphylos andersonii"
V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
A. Gray +
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 +
bright green +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
coriaceous +
1.5cm;2.5cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
lanceolate +
Santa Cruz manzanita +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
300-900 m +
undifferentiated +
fusiform +
stonelike +
indehiscent +
glandular-hairy +
depressed-globose +
Chaparral, edges of open forests +
gland-tipped +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
glandular-hairy +
tenuinucellate +  and unitegmic +
glandular-hairy +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
reduced +
not sticky +
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering winter–early spring. +
4-5-carpellate +
Proc. Amer. Acad. Arts +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
Endemic +  and Conservation concern +
prostrate +  and erect +
peltate +  and capitate +
distinct +
straight +
short-hairy +  and glabrous +
Undefined tribe Arbuteae +
Arctostaphylos andersonii +
Arctostaphylos +
species +
short-hairy +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
tree +  and shrub +
heterotrophic +, autotrophic +  and mycotrophic +