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Perennial herb from caudex or rhizome [annual], generally glabrous, often with ± red marks on leaves, flowers when dry. Stem: scape with generally 1 leaf-like bract [scape 0]. Leaf: simple, basal [cauline], alternate [subopposite], generally petioled, often with ± red marks when dry; veins ± palmate. Inflorescence: 1-flowered [cyme]. Flower: generally bisexual, ± radial; hypanthium minute, free from ovary; calyx lobes generally 5; petals generally 5 , free, generally white; stamens generally 5, opposite sepals; staminodes generally 5, alternate stamens, lobes generally present, thread-like to oblong, gland-tipped; pistil 1, ovary superior, chamber ± 1, placentas 4 , axile below, parietal above, styles very short, stigmas 4. Fruit: 4-valved capsule. Seed: many, winged, netted.
2 genera, ± 70 species: northern temperate, low arctic, alpine, temperate South America (Lepuropetalon, Parnassia). [Zhang & Simmons 2006 Syst Bot 31:122–137] Formerly included in Saxifragaceae. —Scientific Editor: Thomas J. Rosatti.
Leaf: basal, blade ovate to reniform, entire, base tapered to cordate. Flower: petals white, with yellow, green or gray-brown lines.Key to Parnassia
± 70 species. (Mount Parnassus, Greece)
Unabridged references: [R.B. Phillips 1980, Ph.D. Dissertation, Univ of California, Berkeley]
Leaf: 8–16 cm; blade 1–5 cm, round-reniform to reniform, base cordate. Inflorescence: 10–40 cm; bract generally above scape middle, ovate, base cordate, clasping. Flower: calyx lobes 3–6 mm, elliptic, irregularly small-dentate to short-fringed, generally spreading to ascending; petals 7–14 mm, obovate, fringed basally; staminodes 3–5 mm, lobes < 9, oblong, often unequal, tips flat, round; anthers 1.5–2.5 mm. Fruit: 8–12 mm.
2n=36. Uncommon. Wet banks, meadows, rocky seeps; 1500–2700 m. Klamath Ranges, High Sierra Nevada, Warner Mountains, White and Inyo Mountains; to Alaska, Alberta, Colorado. Jul–Sep [Online Interchange]
Previous taxon: Parnassia cirrata var. intermedia
Next taxon: Parnassia palustris
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 29 2014
Citation for this treatment: [Author of taxon treatment] 2013. Parnassia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=36276, accessed on Aug 29 2014
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William R. Hewlett © 1999 California Academy of Sciences
|Geographic subdivisions indicated for the distribution of Parnassia fimbriata|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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