Difference between revisions of "Arctostaphylos viscida"
Bull. Calif. Acad. Sci. 2: 492. 1887 ,.
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|subfamily=Ericaceae subfam. Arbutoideae | |subfamily=Ericaceae subfam. Arbutoideae | ||
|genus=Arctostaphylos | |genus=Arctostaphylos | ||
Revision as of 20:30, 24 September 2019
Shrubs, erect, 1–3 m; burl absent; twigs glabrous, sparsely short-hairy, or densely glandular-hairy. Leaves: petiole 5–12 mm; blade white-glaucous, dull, ovate to ± orbiculate, 2–5 × 2–4 cm, base rounded, truncate, or ± lobed, margins entire or ciliate, plane, surfaces smooth-papillate, rough, scabrous, glabrous or sparsely puberulent. Inflorescences panicles, 4–7-branched; immature inflorescence pendent or ascending, branches spreading, axis 1–3 cm, 1+ mm diam., densely glandular, (sticky); bracts appressed, (glaucous), scalelike, deltate, 3–4 mm, apex acute to acuminate, surfaces viscid-glandular (rarely minutely stipitate-glandular) or glandular-hairy, especially along margins. Pedicels 6–10 mm, finely to densely glandular-hairy. Flowers: corolla white, conic to urceolate; ovary glabrous or glandular-hairy. Fruits depressed-globose, 6–8 mm diam., glabrous or sparsely to densely glandular-hairy, (sometimes viscid). Stones distinct.
Distribution
w United States.
Discussion
Subspecies 3 (3 in the flora).
Arctostaphylos viscida is distributed widely in the Sierra Nevada and northern Coast Ranges of California and the Cascade Mountains in southern Oregon. The subspecies occasionally occur in mixed populations, especially subspp. viscida and mariposa.
Selected References
None.
Lower Taxa
Key
| 1 | Twigs densely glandular-hairy; leaf blades sparsely short glandular-hairy. | Arctostaphylos viscida subsp. mariposa |
| 1 | Twigs and leaf blades glabrous (except sometimes near inflorescence) | > 2 |
| 2 | Ovaries and fruits smooth, glabrous, not viscid. | Arctostaphylos viscida subsp. viscida |
| 2 | Ovaries and fruits rough, densely glandular, viscid. | Arctostaphylos viscida subsp. pulchella |