Potentilla subvahliana Jurtzev

Species

Angiosperms > Rosales > Rosaceae > Potentilla

Characteristics

Plants usually cushion-forming. Caudex branches stout, columnar, sheathed with marcescent whole leaves. Stems erect, 0.2–0.6(–1.1) dm, lengths 2–4 times basal leaves. Basal leaves 0.5–2.5(–3) cm; petiole 0.3–1.5(–2) cm, long hairs common to abundant, spreading to ascending, 1(–2) mm, ± weak, rarely stiff, smooth, crisped/short-cottony hairs usually absent, sometimes sparse, glands sparse to common; leaflets separate to slightly overlapping, central obovate, 0.5–1.2(–1.5) × 0.4–0.9(–1) cm, subsessile to short-petiolulate, base cuneate, margins revolute, distal 1/2 incised 1/2–3/4 to midvein, teeth (1–)2–3(–4) per side, ± distant, surfaces ± dissimilar, abaxial grayish or yellowish white, long hairs 0.5–1 mm, cottony-crisped hairs ± dense (often obscured by long hairs), adaxial dark green to greenish gray, long hairs ± abundant, other hairs absent. Cauline leaves (0–)1(–2). Inflorescences 1(–2)-flowered. Pedicels 1–2(–3) cm in flower, to 5.5 cm in fruit. Flowers: epicalyx bractlets lanceolate to elliptic-ovate, rarely linear, 3–6(–7) × 0.8–2(–2.3) mm, (1/2–)2/3 to nearly as wide as sepals, margins flat or ± revolute, red glands absent; hypanthium 2.5–4 mm diam.; sepals 3–5(–6) mm, apex obtuse to subacute; petals 4–8(–9) × 4–9 mm, longer than sepals; filaments 1–1.3 mm, anthers 0.3–0.5 mm; carpels 25–35, apical hairs absent, styles conic-columnar, ± papillate-swollen on less than proximal 1/5, 0.9–1.1 mm. Achenes 1.2–1.6 mm. 2n = 28 (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) 4-10

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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 subvahliana world distribution map, present in Canada and Liberia

Identifiers

LSID urn:lsid:ipni.org:names:987456-1
WFO ID wfo-0000987834
COL ID 4M659
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Potentilla vahliana Potentilla subvahliana