Potentilla grayi S.Watson

Gray's cinquefoil (en)

Species

Angiosperms > Rosales > Rosaceae > Potentilla

Characteristics

Plants rosetted or ± tufted; caudex branches absent or short to elongate, stout to slender. Stems ascending to erect, (0.4–)1–2 dm, lengths 2–4 times basal leaves. Basal leaves not in ranks, ternate, (1–)2–5(–7) cm; stipules: apex acute to rounded; petiole 1–4 cm, hairs absent or long hairs sparse to common, appressed, 0.5–1 mm, stiff, glands absent; leaflets 3, central obovate to flabellate, 1–2.5 × 0.5–2 cm, petiolule (1–)3–10 mm, margins flat, not lobed, distal 1/2–3/4 ± evenly incised 1/4–1/2 to midvein, teeth (2–)3(–4) per side, ?not secondarily toothed?, surfaces similar, green, ?sometimes ±glaucous?, hairs absent or sparse to common, 0.5 mm, glands absent. Inflorescences 1–6-flowered. Pedicels straight, 0.5–2 cm in flower, to 5 cm in fruit. Flowers: epicalyx bractlets elliptic to oval, 2–4.5 × 1–2 mm, margins flat; hypanthium 2.5–4 mm diam.; sepals 3–5.5 mm, apex acute to obtuse; petals yellow, 4–7 × 4–6 mm; filaments 1–3 mm, anthers 0.5–0.9 mm; carpels 10–30, styles filiform, not or slightly papillate-swollen proximally, 1–2.5 mm. Achenes 1.2–1.5 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 14 - 30
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Potentilla grayi world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:728188-1
WFO ID wfo-0001004975
COL ID 77VNY
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Potentilla grayi Potentilla flabellifolia var. grayi