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Parnassia cirrata var. intermedia
CASCADE GRASS-OF-PARNASSUS

Higher Taxonomy
Family: ParnassiaceaeView Description 

Common Name: GRASS-OF-PARNASSUS FAMILY
Habit: 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 [0], 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 [3], axile below, parietal above, styles very short, stigmas [3]4. Fruit: [3]4-valved capsule. Seed: many, winged, netted.
Genera In Family: 2 genera, +- 70 species: northern temperate, low arctic, alpine, temp South America (Lepuropetalon, Parnassia). Note: Formerly included in Saxifragaceae.
eFlora Treatment Author: Peter W. Ball
Scientific Editor: Thomas J. Rosatti.
Genus: ParnassiaView DescriptionDichotomous Key

Common Name: GRASS-OF-PARNASSUS
Leaf: basal, blade ovate to reniform, entire, base tapered to cordate. Flower: petals white, with yellow, green or gray-brown lines.
Species In Genus: +- 70 species. Etymology: (Mount Parnassus, Greece)
Species: Parnassia cirrataView Description 

Leaf: 3--18 cm; blade 1--6 cm, round-ovate, base tapered to weakly cordate. Inflorescence: 17--43 cm; bract above scape middle, ovate, base cordate, clasping. Flower: calyx lobes 3--7 mm, elliptic, entire to minute-dentate, reflexed in fruit; petals 8--15 mm, ovate to +- elliptic, fringed basally; staminodes 3--6 mm, lobes < 15, +- equal, thread-like to linear, tips spheric; anthers 1.5--2.2 mm. Fruit: 5--13 mm.


Parnassia cirrata var. intermedia (Rydb.) P.K. Holmgren & N.H. Holmgren
NATIVE
Leaf: larger blades (1)1.3--5 cm wide. Flower: larger petals (4)5--10 mm wide; longer fringe filaments 1--3(3.5) mm.
Ecology: Wet places; Elevation: 700--2900 m. Bioregional Distribution: KR; Distribution Outside California: to Washington, Idaho, Nevada. Flowering Time: Aug--Sep
eFlora Treatment Author: Peter W. Ball
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Peter W. Ball 2016. Parnassia cirrata var. intermedia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=80238, accessed on May 06, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 06, 2016.


Parnassia cirrata var. intermedia
click for enlargement
© 2010 Keir Morse
Parnassia cirrata var. intermedia
click for enlargement
© 2012 Barry Rice
Parnassia cirrata var. intermedia
click for enlargement
© 2010 Keir Morse
Parnassia cirrata var. intermedia
click for enlargement
© 2010 Keir Morse
Parnassia cirrata var. intermedia
click for enlargement
© 2010 Keir Morse
Parnassia cirrata var. intermedia
click for enlargement
© 2011 Julie Kierstead Nelson

More photos of Parnassia cirrata var. intermedia in CalPhotos


Geographic subdivisions for Parnassia cirrata var. intermedia:
KR;
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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map of distribution 1
(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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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.