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FNA | Family List | FNA Vol. 8 | Ericaceae | Arctostaphylos

30. Arctostaphylos catalinae P. V. Wells, Madroño. 19: 193. 1968.

Santa Catalina Island manzanita Santa Catalina Island manzanita

Shrubs or trees, erect, 2-5 m; burl absent; twigs densely glandular-hairy with long, white hairs. Leaves: petiole 2-6 mm; blade green-glaucescent, dull, lanceolate-ovate to elliptic, 2-5 × 1.5-3 cm, base truncate to ± slightly lobed, margins entire or ± serrate, plane, surfaces papillate, scabridulous, glandular-hispid. Inflorescences panicles, 4-10-branched; immature inflorescence pendent, branches ± spreading, axis 2-3 cm, 1+ mm diam., densely glandular-hairy with long, white hairs; bracts not appressed, (overlapping on distal 1/2, green), leaflike, lanceolate to narrowly ovate, 6-10(-15) mm, apex acute, surfaces sparsely glandular-hairy. Pedicels 2-5 mm, densely white-hairy. Flowers: corolla white, conic to urceolate; ovary densely white-hairy, sparsely glandular-hairy. Fruits globose, 8-15 mm diam., sparsely hairy. Stones distinct. 2n = 26.

Flowering winter-early spring. Chaparral, open woodlands; of conservation concern; 0-500 m; Calif.

Arctostaphylos catalinae is known from Santa Catalina Island.


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