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Lithophragma parviflorum var. trifoliatum


Higher Taxonomy
Family: SaxifragaceaeView DescriptionDichotomous Key
Common Name: SAXIFRAGE FAMILY
Habit: Perennial herb from caudex or rhizome, generally +- hairy. Stem: often +- leafy on proximal 1/2, rarely trailing and leafy throughout. Leaf: generally simple, basal and/or cauline, generally alternate, generally petioled; veins +- palmate. Inflorescence: raceme or panicle, generally +- scapose. Flower: generally bisexual, generally radial; hypanthium free to +- fused to ovary; calyx lobes generally 5; petals generally 5, free, generally clawed, generally white; stamens 3, [4], 5, 8, or 10; pistils 1 (carpels +- fused, ovary lobed, chambers 1 or 2, placentas generally 2(3), axile or parietal or occasionally proximally axile and distally marginal in ovary lobes) or 2 (carpels free, placentas marginal), ovary nearly superior to inferior, occasionally more superior in fruit, styles generally 2(3). Fruit: capsule (generally 2(3)-beaked, valves generally 2(3), generally equal) or 2 follicles. Seed: generally many, small.
Genera In Family: +- 30 genera, 600 species: especially northern temperate, arctic, alpine; some cultivated (Bergenia, Darmera, Heuchera, Saxifraga, Tellima, Tolmiea). Note: California Mitella moved to Mitellastra, Ozomelis, Pectiantia; Suksdorfia ranunculifolia to Hemieva. Parnassia moved to Parnassiaceae.
eFlora Treatment Author: Michael S. Park & Patrick E. Elvander, except as noted
Scientific Editor: Bruce G. Baldwin.
Genus: LithophragmaView DescriptionDichotomous Key

Common Name: WOODLAND STAR
Habit: Rhizome slender, scaleless, bearing bulblets. Leaf: basal and cauline, reduced distally on stem, generally alternate, increasingly more deeply lobed from younger basal to distal cauline; blade round, base cordate to reniform, +- lobed, generally toothed. Inflorescence: raceme; bracts scale-like or 0. Flower: hypanthium generally partly fused to ovary; petals generally lobed or toothed; stamens 10; pistil 1, ovary superior to +- inferior, chamber 1, placentas 3, parietal, styles 3. Fruit: capsule, 3-beaked, valves 3.
Species In Genus: 12 species: western North America. Etymology: (Greek: rock hedge, from habitats)
Unabridged Note: Generic names ending in -phragma are considered of neuter, not feminine, gender.
Reference: Kuzoff et al. 1999 Syst Bot 24:598--615
Unabridged Reference: Taylor 1965 U Calif Publs Bot 37:1--122
Species: Lithophragma parviflorumView Description 


Habit: Plant 10--50 cm. Leaf: basal blade deeply 3-lobed (> 3/4 to base) to +- palmately compound, lobes lobed, teeth +- sharp-tipped. Inflorescence: flowers 4--14; pedicel 3--7 mm. Flower: hypanthium long-obconic, part fused to ovary > free part; petals 7--16 mm, generally obovate, 3-lobed, white or pink; ovary > 1/2-inferior. Seed: smooth. Chromosomes: 2n=14,21,28,35.

Lithophragma parviflorum var. trifoliatum (Eastw.) Jeps.
NATIVE
Flower: fragrant; hypanthium 3--4 × longer than wide; petals pink. Seed: 0.6--0.8 mm. Chromosomes: 2n=28.
Ecology: Open areas; Elevation: < 600 m. Bioregional Distribution: CaRF, n SNF, SnJV (Oakdale). Flowering Time: May--Jul Note: Seeds generally sterile.
Synonyms: Lithophragma trifoliatum Eastw.
Jepson eFlora Author: Michael S. Park & Patrick E. Elvander
Reference: Kuzoff et al. 1999 Syst Bot 24:598--615
Unabridged Reference: Taylor 1965 U Calif Publs Bot 37:1--122
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Citation for this treatment: Michael S. Park & Patrick E. Elvander 2012, Lithophragma parviflorum var. trifoliatum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=60953, accessed on July 19, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on July 19, 2019.

Lithophragma parviflorum var. trifoliatum
click for enlargement
© 2006 George W. Hartwell
Lithophragma parviflorum var. trifoliatum
click for enlargement
© 2006 George W. Hartwell
Lithophragma parviflorum var. trifoliatum
click for enlargement
© 2007 George W. Hartwell
Lithophragma parviflorum var. trifoliatum
click for enlargement
© 2007 George W. Hartwell
Lithophragma parviflorum var. trifoliatum
click for enlargement
© 2006 George W. Hartwell
Lithophragma parviflorum var. trifoliatum
click for enlargement
© 2008 George W. Hartwell

More photos of Lithophragma parviflorum var. trifoliatum in CalPhotos



Geographic subdivisions for Lithophragma parviflorum var. trifoliatum:
CaRF, n SNF, SnJV (Oakdale).
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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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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.