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Comprehensive Description ( الإنجليزية )

المقدمة من North American Flora
Potentilla diversifolia Lehm. Stirp. Pug. 2 : 9. 1830
Poteniilla dissecla Nutt. Jour. Acad. Phila. 7: 21. 1834. Not P. dissecta Pursh. 1814. Potentilla campestris Nutt.; T. & G. Fl. N. Am. 1 : 439, as synonym. 1840.
Perennial, with a cespitose caudex ; stem erect, few-leaved, smooth or strigose, 1-2 dm. (rarely 3 dm. ) high ; stipules lanceolate to ovate, acuminate ; basal leaves digitate (P. campestris Nutt. ) , or often pinnate with approximate leaflets, or both in the same plant, more or less silky-strigose, especially beneath; petioles 5-15 cm. long; stem-leaves reduced, the
uppermost 3-ioliolate and sessile ; leaflets most commonly 7, oblanceolate-cuneate or sometimes obovate, more or less toothed with triangular-lanceolate teeth ; hy pan thium more or
less pubescent, in fruit 7-10 mm. in diameter ; bractlets and sepals lanceolate, acute, the latter 3.5-5 mm. long, the former shorter ; petals obcordate or obovate and emarginate, 6-7 mm. long, about one third longer than the sepals ; stamens about 20 ; pistils many ; styles filiform.
Type locality : [Not given in the original, but supplied in Hooker's Flora.] Summits of Rocky Mountains [British America] .
Distribution : Mountain valleys from Saskatchewan to British Columbia, California, and Colorado.
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الاقتباس الببليوغرافي
Per Axel Rydberg. 1908. ROSACEAE (pars). North American flora. vol 22(4). New York Botanical Garden, New York, NY
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North American Flora

Comprehensive Description ( الإنجليزية )

المقدمة من North American Flora
Potentilla glaucophylla Iyehm. Delect. Sem. Hort
Bot. Hamb. 1836 : 7. 1836.
Potentilla diversifolia glaucophylla Iyehm. Stirp. Pug. 9: 44. 1851. Potentilla dissecta glaucophylla S. Wats. Proc. Am. Acad. 8: 556. 1873.
Perennial, with a short woody caudex ; stems 1.5-4 dm. high, glabrous below, sparingly strigose above; basal leaves digitately 5-7-foliolate ; petioles glabrous, 2-10 cm. long; leaflets oblanceolate-cuneate, 1-5 cm. long, coarsely serrate, with oblong or lanceolate, ^cute teeth directed forward, strigose when young, soon glabrate, rather thick and more or less. glaucous ; lower stem-leaves similar but with shorter petioles, the upper reduced, 1-3-foliolate ; stipules ovate or lanceolate, 5-15 mm. long, acute, usually entire ; cyme 3-12-flowered ; hypanthium rather shallow, strigose, 5-7 mm. wide in fruit ; bractlets lanceolate, 3-5 mm. long, acute; sepals ovate, acuminate, 5-7 mm. long; petals obcordate, 6-10 mm. long; stamens 20 ; pistils many ; styles filiform.
Type locality : Plains of the first chain of the Rocky Mountains called the Black Hills. [Wyoming ? ] .
Distribution : Mountain valleys from British Columbia to Saskatchewan, New Mexico and Utah.
ترخيص
cc-by-nc-sa-3.0
الاقتباس الببليوغرافي
Per Axel Rydberg. 1908. ROSACEAE (pars). North American flora. vol 22(4). New York Botanical Garden, New York, NY
النص الأصلي
زيارة المصدر
موقع الشريك
North American Flora

Potentilla diversifolia ( الإنجليزية )

المقدمة من wikipedia EN

Potentilla diversifolia or Potentilla × diversifolia is a species of flowering plant in the Rose Family (Rosaceae) known by the common names varileaf cinquefoil,[1] different-leaved cinquefoil, and mountain meadow cinquefoil.[2]

Distribution and habitat

It is native to North America, where it grows in moist habitat in many regions, in Alaska to Greenland, the Pacific Northwest and the Rocky Mountains, and from California to New Mexico.

Festuca association

This cinquefoil is a dominant plant in association with the grass Festuca idahoensis on the alpine slopes of mountainous western Montana and central Idaho.[3]

Description

Flower of Potentilla diversifolia

Potentilla diversifolia has gray-green leaves divided into usually five leaflets, which are mostly hairless and are deeply lobed or have teeth along their distal margins. Most of the leaves are low on the stem, with smaller ones occurring above. The inflorescence is a cyme of several flowers. Each has a small corolla of yellow petals above a calyx of five pointed sepals and five narrower bractlets.

Varieties

There are three Potentilla diversifolia varieties:

  • Potentilla diversifolia var. diversifolia occurs throughout western North America from Alaska, the Sierra Nevada in California, to the southern Rockies in New Mexico
  • Potentilla diversifolia var. perdissecta occurs in and around the Rocky Mountains of Canada and the United States
  • Potentilla diversifolia var. ranunculus can be found in Eastern Canada and Greenland.
Wikimedia Commons has media related to Potentilla diversifolia.

References

  1. ^ USDA, NRCS (n.d.). "Potentilla diversifolia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 13 October 2015.
  2. ^ Great Basin Wildflowers, Laird R. Blackwell, 2006, p. 167
  3. ^ Montana Community Field Guide: Festuca idahoensis - Potentilla difersifolia Association

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Potentilla diversifolia: Brief Summary ( الإنجليزية )

المقدمة من wikipedia EN

Potentilla diversifolia or Potentilla × diversifolia is a species of flowering plant in the Rose Family (Rosaceae) known by the common names varileaf cinquefoil, different-leaved cinquefoil, and mountain meadow cinquefoil.

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wikipedia EN