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Comprehensive Description

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Horkelia parryi Greene, Bull. Calif, Acad. 2 : 416. 1887
Potentilla Parryi Greene, Pittonia 1 : 102. 1887.
Horkelia platypetala Rydb. Bull. Torrey Club 25 : 55. 1898.
Perennial, with a scaly horizontal rootstock and a cespitose caudex; stems several, slender, 1-2 dm. high, branched, glandular-puberulent ; stipules ovate, often pectinately toothed, 5-8 mm. long; basal leaves very numerous, somewhat villous-puberulent ; leaflets obovate-cuneate, 5-10 mm. long, deeply incised ; stem-leaves few and small, with 1-3 pairs of leaflets ; cyme open with slender branches; pedicels in fruit about 1.5 cm. long, recurved ; hypanthium saucer-shaped, about a third as deep as wide, in fruit about 7 mm. in diameter ; bractlets lanceolate, much smaller than the ovate -lanceolate sepals, which are about 5 mm. long; petals white, obovateto broadly cun eat e -oblong, about half longer than the sepals, rounded at the apex.
Type locality : lone, Amador County, California.
Distribution : Amador County, California.
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bibliographic citation
Frederick Vernon Coville, Nathaniel Lord Britton, Henry Allan Gleason, John Kunkel Small, Charles Louis Pollard, Per Axel Rydberg. 1908. GROSSULARIACEAE, PLATANACEAE, CROSSOSOMATACEAE, CONNARACEAE, CALYCANTHACEAE, and ROSACEAE (pars). North American flora. vol 22(3). New York Botanical Garden, New York, NY
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Horkelia parryi

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Horkelia parryi is a species of flowering plant in the rose family known by the common name Parry's horkelia.[2] It is endemic to California, where it grows in the chaparral of the Sierra Nevada foothills.[3] This is a low, mat-forming perennial herb growing in unobtrusive green patches on the ground. The leaves are 5 to 10 centimeters long and are each made up of small, toothed, oval-shaped leaflets. The somewhat hairy green to reddish-green stems are 10 to 30 centimeters (4 to 12 inches) long and bear inflorescences of a few flowers each. The flower has minute bractlets under larger, pointed sepals and five white petals. The center of the flower contains a ring of stamens around a patch of up to 50 thready pistils.

References

  1. ^ "NatureServe Explorer 2.0".
  2. ^ "Horkelia parryi". ucjeps.berkeley.edu. Retrieved 5 April 2019.
  3. ^ "CNPS Inventory Plant Detail". www.rareplants.cnps.org.

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Horkelia parryi: Brief Summary

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Horkelia parryi is a species of flowering plant in the rose family known by the common name Parry's horkelia. It is endemic to California, where it grows in the chaparral of the Sierra Nevada foothills. This is a low, mat-forming perennial herb growing in unobtrusive green patches on the ground. The leaves are 5 to 10 centimeters long and are each made up of small, toothed, oval-shaped leaflets. The somewhat hairy green to reddish-green stems are 10 to 30 centimeters (4 to 12 inches) long and bear inflorescences of a few flowers each. The flower has minute bractlets under larger, pointed sepals and five white petals. The center of the flower contains a ring of stamens around a patch of up to 50 thready pistils.

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