Potentilla vulcanicola Juz.

Species

Angiosperms > Rosales > Rosaceae > Potentilla

Characteristics

Plants densely tufted. Caudex branches stout, sometimes ± columnar, not sheathed with marcescent whole leaves. Stems ascending to erect, (0.2–)0.4–1.6(–2) dm, lengths 2–3 times basal leaves. Basal leaves 1–6(–11) cm; petiole 0.5–4(–9) cm, long hairs ± abundant, ascending to spreading, sometimes loosely appressed, 1–2.5 mm, soft to weak, smooth, crisped(/cottony) hairs absent or sparse, sometimes common, glands absent or sparse; leaflets overlapping, central broadly obovate, 0.8–2(–2.5) × 0.8–1.5(–2.5) cm, sessile or subsessile, base broadly cuneate, margins strongly revolute, distal 1/2–2/3 incised ± 1/2 to midvein, teeth 2–3(–4) per side, distant, surfaces strongly dissimilar, abaxial grayish white, long hairs 1–2 mm, cottony-crisped hairs ± dense, adaxial usually dark green, sometimes grayish green, long hairs sparse to abundant, other hairs usually absent. Cauline leaves (0–)1–2(–3). Inflorescences 1–2(–5)-flowered. Pedicels 1–2 cm in flower, to 5 cm in fruit. Flowers: epicalyx bractlets ± oblong to ovate, 4–8(–10) × 1.8–3(–5) mm, 2/3 to as wide as sepals, margins revolute, sometimes flat, red glands absent; hypanthium 3.5–4.5 mm diam.; sepals 5–8 mm, apex ± acute; petals 7–9 × 7–10 mm, longer than sepals; filaments 0.8–1 mm, anthers 0.6–0.7 mm; carpels 20–30, apical hairs sparse to abundant (straight), styles conic-columnar, ± papillate-swollen in less than proximal 1/5, or sometimes to 1/5, 0.8–1.1 mm. Achenes 0.9–1.2 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) 4-9

Usage

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Edible -
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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 vulcanicola world distribution map, present in Canada and Russian Federation

Identifiers

LSID urn:lsid:ipni.org:names:729245-1
WFO ID wfo-0000987846
COL ID 77VD3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Potentilla vulcanicola