Potentilla subviscosa |
Potentilla cristae |
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Mogollon cinquefoil, Navajo cinquefoil |
crested cinquefoil, crested potentilla |
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Habit | Plants tufted to densely matted; caudex branches usually short, stout, sometimes embedded in old leaf bases. | |||||
Stems | 0.2–1.5(–2) dm. |
ascending to erect, 0.3–2 dm, lengths 2–3 times basal leaves. |
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Basal leaves | palmate, rarely ternate, (1–)2–7(–18) cm; petiole (0.5–)1–5(–11) cm, long hairs sparse to abundant, ± spreading (to ascending), 1–3(–4) mm, ± weak, glands ± abundant; leaflets (3–)5(–7), central flabellate to obovate-cuneate or oblanceolate, (0.5–)1–3(–8) × 0.5–2 cm, not or ± petiolulate, distal 2/3–3/4 of margins evenly to unevenly incised 1/5–3/4 to midvein, sometimes deeply lobed as well, teeth 2–9 per side (some secondarily toothed as well), surfaces green, long hairs sparse to common, 1–2 mm (late-season leaves and adaxial surfaces sometimes nearly glabrate), glands sparse to abundant. |
not in ranks, ternate, 1–5(–9) cm; stipules: apex acute to obtuse; petiole 1–4 cm, long hairs absent or sparse to common, spreading to ascending, 0.5–2 mm, ± weak, glands sparse to abundant; leaflets 3, central flabellate, 0.4–2 × 0.5–1.5 cm, petiolule 1–3 mm, margins flat, distal 3/4+ deeply 3–5-lobed (sinuses extending 1/2 to nearly to midvein), lobes unevenly incised 1/4–1/2 to midvein, teeth 2–5 per lobe, surfaces similar, dark green, hairs ± sparse, 0.5–1.5 mm, glands sparse to abundant. |
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Inflorescences | (1–)3–15-flowered. |
1–7-flowered. |
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Pedicels | 0.5–1.5(–2) cm. |
straight, 0.2–1.2(–2) cm, not much longer in fruit than in flower. |
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Flowers | epicalyx bractlets lanceolate-elliptic, 1.5–3(–5) × 0.5–1.5 mm; hypanthium 2.5–4 mm diam.; sepals (2.5–)3–5(–6) mm, apex ± acute; petals nearly white abaxially, pale yellow adaxially, narrowly obcordate, 3–6(–8) × 2.5–5 mm; filaments 1.5–2.5 mm, anthers 0.5–1 mm; carpels 4–12, styles 2–3 mm. |
epicalyx bractlets broadly ovate, 2–4 × 2 mm, margins flat; hypanthium 3.5–6 mm diam.; sepals 3–5 mm, apex broadly acute to obtuse; petals yellow, 3–5.5 × 4–5 mm; filaments 0.7–1.7 mm, anthers 0.5–0.6 mm; carpels 25–40, styles tapered-filiform, ± papillate-swollen in proximal 1/5–/1/3, 1.3–2 mm. |
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Achenes | 1.5–2 mm, ± rugose. |
1–1.5 mm, dorsally crested. |
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Short | hairs well differentiated from long hairs, ± abundant to dense throughout. |
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2n | = 42. |
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Potentilla subviscosa |
Potentilla cristae |
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Phenology | Flowering summer. | |||||
Habitat | Rocky, open, serpentine slopes, in conifer woodlands | |||||
Elevation | 1800–2800 m (5900–9200 ft) | |||||
Distribution |
AZ; CO; NM
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CA |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Potentilla cristae is known only from Cory Peak, Mount Eddy, and the Marble Mountains in northwestern California. In addition to the characteristics in the key, the species is distinctive in having a low dorsal crest on the achenes, hence the specific epithet. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 9, p. 184. | FNA vol. 9, p. 191. | ||||
Parent taxa | Rosaceae > subfam. Rosoideae > tribe Potentilleae > Potentilla > sect. Subviscosae | Rosaceae > subfam. Rosoideae > tribe Potentilleae > Potentilla > sect. Aureae | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Greene: Bull. Torrey Bot. Club 8: 97. (1881) | Ferlatte & Strother: Madroño 37: 190, fig. 1. (1990) | ||||
Web links |