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summer holly

Habit Shrubs or trees, burled, (capable of sprouting after fire); bark gray to reddish, peeling to shredding [flaking, exfoliating, sometimes in patches].
Stems

usually erect to spreading, rarely trailing or mat-forming, branching, glabrous or densely hairy.

Leaves

persistent [rarely facultatively drought-deciduous], bifacial;

blade narrowly ovate to ovate or elliptic to obovate or broadly ovate, coriaceous, margins usually serrate to serrulate, rarely subentire, plane or revolute, abaxial surface usually densely gray-tomentose, rarely subglabrous, adaxial (green, shining), usually glabrous, sometimes hairy along midvein.

Inflorescences

racemes [panicles], solitary or clustered, 5–30-flowered.

Flowers

bisexual;

sepals (drying) persistent, (4–)5, distinct or slightly connate, narrowly triangular to subulate or nearly acicular;

petals (4–)5, (imbricate), connate for 3/4+ their lengths, white [greenish white, pale yellow, pink, or red], corolla cylindric to nearly globose;

stamens 10, included;

filaments dilated near base;

anthers with 2 dorsal awns, dehiscent by 2 slits 1/4–1/2 as long as anthers;

ovary 5-locular, (papillate);

stigma slightly capitate.

Drupes

red [nearly black to dark purple], globose, juicy, warty, granular, or papillate (with multicellular papillae radiating ± perpendicularly outward);

pyrenes 5, connate into solid, thick-walled, stonelike, globose endocarp.

Seeds

5, connate.

x

= 13.

Comarostaphylis

Distribution
from FNA
CA; Mexico; Central America
[BONAP county map]
Discussion

Arctostaphylos Adanson sect. Comarostaphylis (Zuccarini) A. Gray; Arctostaphylos subg. Comarostaphylis (Zuccarini) A. Gray

Species 10 (1 in the flora).

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

Source FNA vol. 8, p. 401. Author: George M. Diggs Jr..
Parent taxa Ericaceae > subfam. Arbutoideae
Subordinate taxa
C. diversifolia
Name authority Zuccarini: Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 2: 331. 1837 ,
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