Difference between revisions of "Potentilla albiflora"
Bull. Torrey Bot. Club 61: 260. 1934.
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|distribution=Ariz. | |distribution=Ariz. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Potentilla albiflora grows on the Pinaleño (Graham) Mountains in Graham County, with a few outlying collections known from the Mogollon Rim in Greenlee County and the Santa Catalina Mountains of Pima County.</p><!-- | + | --><p><i>Potentilla albiflora</i> grows on the Pinaleño (Graham) Mountains in Graham County, with a few outlying collections known from the Mogollon Rim in Greenlee County and the Santa Catalina Mountains of Pima County.</p><!-- |
| − | --><p>Contrary to the specific epithet, petals of living plants are yellow, not white; like those of many Potentilla species, they tend to fade in pressed material.</p> | + | --><p>Contrary to the specific epithet, petals of living plants are yellow, not white; like those of many <i>Potentilla</i> species, they tend to fade in pressed material.</p> |
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Potentilla albiflora | name=Potentilla albiflora | ||
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|authority=L. O. Williams | |authority=L. O. Williams | ||
|rank=species | |rank=species | ||
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|publication year=1934 | |publication year=1934 | ||
|special status=Conservation concern;Endemic | |special status=Conservation concern;Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_279.xml |
|subfamily=Rosaceae subfam. Rosoideae | |subfamily=Rosaceae subfam. Rosoideae | ||
|tribe=Rosaceae tribe Potentilleae | |tribe=Rosaceae tribe Potentilleae | ||
Latest revision as of 22:55, 5 November 2020
Short hairs not well differentiated from long hairs, absent or sparse throughout. Stems 0.2–1.5 dm. Basal leaves ternate, 1.5–10 cm; petiole 1–7 cm, long hairs ± abundant, spreading to ascending, 0.5–1(–1.5) mm, weak to stiff, glands sparse to abundant; leaflets 3, central obovate, 0.5–2.5(–3.5) × 0.4–1.3(–2) cm, not to scarcely petiolulate, distal 1/2–2/3 of margins evenly incised ± 1/3 to midvein, teeth 3–5(–6) per side, surfaces green, long hairs ± abundant, 0.5–1 mm, glands sparse to abundant. Inflorescences 1–5(–10)-flowered. Pedicels 0.5–2 cm. Flowers: epicalyx bractlets lanceolate-elliptic, (1.5–)2–3(–5) × 0.5–1.5 mm; hypanthium 3.5–6 mm diam.; sepals 3–6(–8) mm, apex acute; petals ± paler abaxially, bright yellow adaxially, narrowly obcordate, (3–)4–7(–8) × 3–5 mm; filaments 2–4 mm, anthers 0.5–1 mm; carpels 10–25, styles 2–3 mm. Achenes 1.5 mm, smooth.
Phenology: Flowering May–Sep.
Habitat: Rocky slopes, open ground, in pine-oak and mixed conifer woodlands
Elevation: 1800–3200 m
Discussion
Of conservation concern.
Potentilla albiflora grows on the Pinaleño (Graham) Mountains in Graham County, with a few outlying collections known from the Mogollon Rim in Greenlee County and the Santa Catalina Mountains of Pima County.
Contrary to the specific epithet, petals of living plants are yellow, not white; like those of many Potentilla species, they tend to fade in pressed material.
Selected References
None.