Dasiphora Rafinesque (Q3925)
Dasiphora is a taxon with the rank genus within the tribe Potentilleae
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Dasiphora Rafinesque
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Dasiphora is a taxon with the rank genus within the tribe Potentilleae
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Statements
taxon/id/Dasiphora Rafinesque
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Dasiphora Rafinesque
Dasiphora
Rafinesque
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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Stems: number not recorded, prostrate to erect;
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bark reddish-brown or grayish, papery, shredding;
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lateral short-shoots often present (bearing fascicles of leaves);
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villous first-year, then glabrous.
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Leaves deciduous, sometimes persistent, cauline, alternate, usually ± odd-pinnate to subpalmate (jointed beyond stipules and at distal leaflet node), rarely ternate;
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stipules persistent, proximally adnate to base of petiole, broadly lanceolate to ovate, margins entire;
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blade ± ovate in outline, 0.5–2.6 cm, foliaceous, leaflets (3–) 5 (–7) [–9], proximal pairs confluent on rachis, linear to narrowly elliptic or oblong, margins flat or revolute, entire, venation pinnate, surfaces glabrous or hairy.
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Inflorescences terminal and on lateral twigs, solitary flowers or 2–7 (–30) -flowered, loosely cymose, glabrous or hairy;
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bracts present, ± leafy;
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bracteoles absent.
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Pedicels present, straight.
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Flowers occasionally functionally unisexual (plants monoecious), [10–] 15–30 [–35] mm diam.;
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epicalyx bractlets 5;
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hypanthium patelliform to cupulate, 1–2 × 3.5–5 mm, villous;
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sepals 5, spreading, ovate [broadly elliptic];
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petals 5, yellow [white], obovate to orbiculate, longer than sepals;
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stamens 20 or 25 (–30), shorter than petals, filaments filiform, glabrous, theca solitary, horseshoe-shaped, rimming broad connective, dehiscing by continuous marginal slit;
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torus hemispheric;
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carpels 30–100, hirsute, styles subbasal, clavate;
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Fruits aggregated achenes, individually deciduous, 30–100, obliquely ovoid, 1.4–1.8 (–2) mm, hirsute;
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hypanthium persistent;
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sepals persistent, erect;
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unisexual
occasionally functionally
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