Potentilla subgorodkovii Jurtzev

Species

Angiosperms > Rosales > Rosaceae > Potentilla

Characteristics

Plants ± densely tufted. Caudex branches stout, usually columnar, sometimes sheathed with marcescent whole leaves. Stems erect, (0.2–)0.3–1.5(–2) dm, lengths 1.5–2.5(–3.5) times basal leaves. Basal leaves (1–)2–10(–15) cm; petiole (0.5–)1–5(–12) cm, long hairs common to dense, ± ascending to loosely appressed, sometimes spreading, 1–2 mm, ± soft, smooth, crisped/short-cottony hairs usually sparse, sometimes absent or common, glands absent, sparse, or obscured; leaflets separate to slightly overlapping, central obovate or obtriangular, (0.5–)1–2(–3) × (0.4–)0.8–1.5(–2) cm, sessile or subsessile, base cuneate, margins revolute, distal (1/3–)1/2–2/3(–3/4) incised 1/2–2/3(–3/4) to midvein, teeth 2–3(–4) per side, usually ± distant, surfaces somewhat to more often strongly dissimilar, abaxial yellowish or grayish white to white, long hairs 0.8–1.5 mm, cottony-crisped hairs ± dense, adaxial green to grayish green, long hairs sparse to ± abundant, other hairs usually absent. Cauline leaves (0–)1(–2). Inflorescences usually 1(–2)-flowered, rarely to 5-flowered. Pedicels (0.5–)2–4 cm in flower, to 5 cm in fruit. Flowers: epicalyx bractlets elliptic-lanceolate to ovate, (3–)4–6(–7) × (0.8–)1.2–2(–2.5) mm, (1/2–)2/3 to as wide as sepals, margins revolute, rarely flat, red glands absent; hypanthium 2.5–4 mm diam.; sepals 4–6(–7) mm, apex subacute; petals (5–)6–9 × (5–)7–9 mm, significantly longer than sepals; filaments 1–1.3 mm, anthers 0.4–0.6 mm; carpels 30–40, apical hairs absent, styles narrowly columnar to conic-tapered, papillate-swollen on proximal 1/5(–1/3), 0.9–1.1 mm. Achenes 1.2–2 mm. 2n = 28, 42, 49, 56 (Russian Far East).
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Growth form herb
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Foliage retention deciduous
Sexuality hermaphrodite
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Hardiness (USDA) 4-9

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Cultivation

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Germination duration (days) 14 - 30
Germination temperacture (C°) 18 - 21
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Distribution

Potentilla subgorodkovii world distribution map, present in Canada

Identifiers

LSID urn:lsid:ipni.org:names:975616-1
WFO ID wfo-0001283474
COL ID 4M64V
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Potentilla subgorodkovii