Sorbus sitchensis M. Roemer (Q4397)
Sorbus sitchensis is a taxon with the rank species within the genus Sorbus
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Sorbus sitchensis M. Roemer
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Sorbus sitchensis is a taxon with the rank species within the genus Sorbus
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Statements
taxon/id/Sorbus sitchensis M. Roemer
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Sorbus sitchensis M. Roemer
Sorbus sitchensis
M. Roemer
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
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CA-AB
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CA-BC
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CA-YT
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US-AK
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US-CA
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US-ID
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US-MT
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US-OR
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US-WA
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bark initially reddish purple to brownish gray, becoming grayish red;
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winter buds red-purple to redbrown, conic to ovoid, 8–13 mm, dull, slightly glaucous, not glutinous, sparsely or densely villous, hairs primarily rufous.
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Leaves pinnately compound;
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stipules persistent, sometimes deciduous, hairs rufous;
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blade paler abaxially, dull blue-green, usually slightly glaucous, rarely faintly shiny adaxially, leaflets 7–13, opposite, sometimes subopposite, oblong to narrowly elliptic, sometimes oblanceolate, ovate, or obovate, 1.8–6 × 0.6–2.5 cm, l/w ratio 1.9–3.5, margins entire or finely to coarsely serrate, sometimes doubly serrate, apex obtuse or acute, surfaces soon glabrous, leaf and leaflet axils hairy, hairs rufous.
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Panicles 12–80-flowered, rounded, 2–8 cm diam.;
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peduncles glabrous, glaucous, or sparsely to densely villous, hairs primarily rufous.
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Pedicels glabrous, glaucous, or sparsely to densely villous, hairs primarily rufous.
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Flowers 11–17 mm diam.;
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hypanthium glabrous, glaucous, hypanthium plus sepals 3–4 mm;
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sepals 1–2.2 mm, margins lightly to moderately ciliate, hairs rufous or whitish, infrequently glandular;
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petals white, rarely pinkish, rhombic to ovate, 4–7.5 mm;
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carpels distinct, apex concave, depressed, or slightly conic and truncate, styles 3–5, 1.5–3.2 mm.
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Infructescences glabrous, glaucous, or villous.
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Pomes pinkish red or red (often appearing slightly purplish), subglobose to broadly elliptic or obovoid, 7–13 × 7–13 mm, dull, glaucous;
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sepals inconspicuous, incurved.
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Seeds redbrown, ovoid to ovoid-lanceolate, oblong or elliptic, 3.4–5 × 2.2–2.9 mm, symmetric or trigonous, slightly flattened.
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initially reddish purple
brownish gray
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rarely faintly; adaxially
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glaucous or
sparsely densely villous
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glaucous or
sparsely densely villous
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glaucous or
sparsely densely villous
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glaucous or
sparsely densely villous
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ovoid-lanceolate oblong or elliptic
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ovoid-lanceolate oblong or elliptic
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subglobose
broadly elliptic or obovoid
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