Luetkea Bongard (Q4414)
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Luetkea is a taxon with the rank genus within the tribe Spiraeeae
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Luetkea Bongard
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Luetkea is a taxon with the rank genus within the tribe Spiraeeae
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Statements
taxon/id/Luetkea Bongard
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Luetkea Bongard
Luetkea
Bongard
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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rhizomatous, stoloniferous.
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Stems 1–5 (–12), prostrate, glabrous.
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Leaves persistent, often marcescent, cauline, alternate (internodes elongating apically), primarily crowded basally, simple;
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petiole present, narrowly winged;
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blade obtrullate, 0.5–1.5 cm, pergamentaceous, 2–3 (–5) -ternately lobed, margins flat, venation suprabasal, actinodromous, surfaces glabrous.
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Inflorescences terminal, 5–20 (–30) -flowered, racemes, glabrescent to villous;
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peduncles present;
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bracts reducing acropetally from 2-ternate to simple, linear;
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bracteoles absent.
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Pedicels present.
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Flowers 3–6 mm diam.;
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epicalyx bractlets 0;
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hypanthium hemispheric, 0.5–1 mm, glabrous or villous;
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sepals 5, spreading to erect, deltate;
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petals 5, white, spatulate to obovate;
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stamens 20, shorter than petals, filaments basally connate;
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torus thickened, 10-lobed;
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carpels (4 or) 5 (or 6), free, adaxially sparsely villous, styles terminal;
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Fruits aggregated follicles, (4 or) 5 (or 6), falcate, truncated at proximal end, 2–3 mm, sericeous adaxially;
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hypanthium persistent;
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sepals persistent, spreading to erect;
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styles deciduous.
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