Potentilla sect. Rectae (Th. Wolf) Juzepczuk in V. L. Komarov et al. (Q4030)
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Potentilla sect. Rectae is a taxon with the rank section within the genus Potentilla
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| English |
Potentilla sect. Rectae (Th. Wolf) Juzepczuk in V. L. Komarov et al.
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Potentilla sect. Rectae is a taxon with the rank section within the genus Potentilla
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Statements
taxon/id/Potentilla sect. Rectae (Th. Wolf) Juzepczuk
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Potentilla sect. Rectae (Th. Wolf) Juzepczuk
Potentilla sect. Rectae
(Th. Wolf) Juzepczuk
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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taproots not fleshy-thickened, often giving rise to ± thickened lateral roots;
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vestiture of well-differentiated long and short hairs, glands common to abundant, not red.
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Stems erect, not flagelliform, not rooting at nodes, from centers of ephemeral basal rosettes, 1.5–7 dm, lengths (2–) 3–5 times basal or proximal cauline leaves.
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primary leaves palmate, proximal ones 5–18 cm;
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petiole: long hairs spreading, stiff, glands common to abundant;
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leaflets 5–7, at tip of leaf axis, separate, oblanceolate, margins flat or ± revolute, ± whole length ± evenly incised 1/3–1/2 to midvein, teeth 7–17 per side, surfaces ± similar, green, not glaucous, long hairs stiff, cottony and/or crisped hairs absent.
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Inflorescences (3–) 7–60+-flowered, cymose, ± open.
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Pedicels straight in fruit, 0.5–2 (–3) cm, proximal often much longer than distal.
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Flowers 5-merous;
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hypanthium 5–9 mm diam.;
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petals pale [to bright] yellow, obcordate, (4–) 7–10 (–13) mm, equal to or longer than sepals, apex retuse, rarely rounded;
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styles subapical, columnar-tapered, not or slightly papillate-swollen in proximal 1/3, 0.8–1.3 mm.
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Achenes strongly rugose.
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(2-)3-5 times basal or proximal cauline leaves
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