Potentilla arizonica Greene

Species

Angiosperms > Rosales > Rosaceae > Potentilla

Characteristics

Plants rosetted to tufted; taproots ± fleshy-thickened. Stems decumbent to ascending, sometimes prostrate, 0.6–2.2 dm, lengths 1.5–3 times basal leaves. Basal leaves pinnate with distal leaflets ± distinct, 4–10 × 1–2(–3) cm; petiole 1–3 cm, straight hairs dense, ± appressed, 1–2 mm, stiff, cottony hairs absent, glands absent or sparse; primary lateral leaflets 5–7(–9) per side (sometimes with additional interspersed leaflets), on distal (1/2–)2/3–3/4 of leaf axis, ± overlapping, largest ones oblanceolate-to obovate-oblong, 0.5–1.5 × 0.4–0.8 cm, distal 3/4 to whole margin pinnately incised nearly to midvein, teeth (5–)7–9, linear-oblanceolate, 2–6 × 0.5–1 mm, apical tufts 1 mm, surfaces grayish green, straight hairs sparse (adaxially) to common, ± appressed, 1–2 mm, stiff, cottony hairs absent, glands absent or obscured. Cauline leaves (1–)2–3(–4). Inflorescences 3–15-flowered, ± compactly cymose, opening in fruit. Pedicels 0.7–2(–2.5) cm, straight in fruit. Flowers: epicalyx bractlets narrowly elliptic, ?sometimes doubled?, 2–3.5 × 1–1.5 mm; hypanthium 3–4 mm diam.; sepals 4–6 mm, apex ± acute; petals 4–5(–6) × 3–4(–5.5) mm; filaments 1–2 mm, anthers 1–1.5 mm, ?often as long as filaments?; carpels 8–20, styles 2 mm. Achenes 1.8 mm, ± smooth, not carunculate.
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Growth form herb
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Foliage retention deciduous
Sexuality hermaphrodite
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Root system tap-root
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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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Identifiers

LSID urn:lsid:ipni.org:names:209025-2
WFO ID wfo-0000991676
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Potentilla arizonica