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Naturalized flora of The Morton Arboretum
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Erica lusitanica
K. Rudolphi
Family:
Ericaceae
Spanish Heath
FNA
Resources
Gordon C. Tucker in Flora of North America (vol. 8)
Plants
± erect, 15-30 cm; twigs of current season green, with short, stiff hairs ca. 0.3 mm, older twigs gray and brown striped, glabrescent.
Leaves
in whorls of (3-)4; petiole 0.2-0.3 mm; blade linear-lanceolate, flat to compressed-triangular in cross section, 2.5-4(-7) × 0.2 mm, margins revolute, sparsely prickled, surfaces glabrous.
Inflorescences
terminal panicles, ellipsoid, 10-25 cm.
Pedicels
1-1.5 mm, shortly hairy.
Flowers:
calyx lobes (connate ca. 1/3 their lengths), ovate, 1 × 0.7 mm, margins entire, apex subacute, glabrous; corolla white to pinkish white, broadly campanulate, 4-5 mm, lobes ovate-deltate, 0.5-1 mm, apex broadly rounded; stamens 10; filaments 2 mm; anthers awned, ca. 0.7 mm, awns 2, basal, 2-ciliate, 0.3 mm; ovary glabrous; style 2-2.5 mm; stigma exserted, obconic.
Capsules
1-2 mm, glabrous.
Seeds
ellipsoid, 0.6 × 0.5 mm, finely pitted.
Flowering late spring-summer. Sandy coastal sites; 0-50 m; introduced; Calif., Oreg.; sw Europe.
Erica lusitanica
is found naturalized in coastal California (Humboldt County south to San Diego County), and in southwestern Oregon.
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