Flora of North America species comparison

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Comarostaphylis diversifolia subsp. diversifolia

Comarostaphylis diversifolia subsp. planifolia
Photo is of parent taxon

California comarostaphylis, summer holly
Photo is of parent taxon

flat leaf summer holly
Leaf

blades narrowly ovate to ovate or elliptic, 3–12.8 × 1–4.2 cm, (to 14.9 × 8.1 cm on sucker shoots), margins usually strongly revolute.

blades broadly elliptic to obovate or broadly ovate, 3–9 × 1–3.5 cm, margins usually plane.
Inflorescences

3.5–8 cm, usually gray-tomentose, rarely with glandular hairs;

floral bracts lanceolate-linear to lanceolate-ovate, nearly plane to subnavicular, 2–7 mm.

6–14 cm, gray-tomentose, without glandular hairs;

floral bracts lanceolate-ovate to oblong-ovate, navicular, 3–10 mm.
Pedicels

4–8.5 mm.

5–20 mm.
Sepals

rarely glandular.

eglandular.

Comarostaphylis diversifolia subsp. diversifolia

Comarostaphylis diversifolia subsp. planifolia
Phenology Flowering Mar–Jun; fruiting (Mar-)Jun–Sep. Flowering (Jan-)Mar–Jul; fruiting (Apr-)May–Sep(-Oct).
Habitat Chaparral with Arctostaphylos glandulosa, Cercocarpus sp., Cupressus sp., Heteromeles arbutifolia, Quercus sp., Rhus integrifolia, and Xylococcus bicolor Chaparral, oak woodlands, closed-cone pine forests with Arbutus menziesii, Arctostaphylos insularis, Ceanothus sp., Cercocarpus sp., Heteromelesarbutifolia, Pinusmuricata, P. remorata, Prunus sp., Quercusagrifolia, Q. dumosa, and Rhusintegrifolia
Elevation 0-600 m (0-2000 ft) 0-600 m (0-2000 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Of conservation concern.

Subspecies diversifolia occurs in Orange and San Diego counties, and in the mountains of Baja California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Subspecies planifolia is the northernmost taxon in the genus, endemic to Los Angeles and Santa Barbara counties. It is found on the Channel Islands of Santa Catalina, Santa Cruz, and Santa Rosa, and on the mainland in the coastal Santa Monica and Santa Ynez mountains.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 402. FNA vol. 8, p. 403.
Parent taxa Ericaceae > subfam. Arbutoideae > Comarostaphylis > Comarostaphylis diversifolia Ericaceae > subfam. Arbutoideae > Comarostaphylis > Comarostaphylis diversifolia
Sibling taxa
C. diversifolia subsp. planifolia
C. diversifolia subsp. diversifolia
Synonyms C. diversifolia var. planifolia
Name authority unknown (Jepson) G. D. Wallace: Aliso 9: 191. (1978)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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