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Vascular Plants of California
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Lithophragma tenellum


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.
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
Lithophragma tenellum Nutt.
NATIVE
Habit: Plant 8--30 cm. Leaf: basal blade deeply 3-lobed, lobes lobed, teeth +- round. Inflorescence: flowers 3--12; pedicel 3--10 mm. Flower: hypanthium hemispheric to bell-shaped, part fused to ovary < free part; petals 3--7 mm, ovate, generally 5--7-lobed, pink or sometimes white; ovary < 1/2-inferior. Seed: smooth. Chromosomes: 2n=14,35.
Ecology: Dry areas; Elevation: 1300--3000 m. Bioregional Distribution: CaRH, n SNH, SnGb, SnBr, MP; Distribution Outside California: to British Columbia, Colorado, New Mexico. Flowering Time: May--Jul
Synonyms: Lithophragma breviloba Rydb.; Lithophragma rupicola Greene
Jepson eFlora Author: Michael S. Park & Patrick E. Elvander
Reference: Kuzoff et al. 1999 Syst Bot 24:598--615
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: Michael S. Park & Patrick E. Elvander 2012, Lithophragma tenellum, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=31248, accessed on April 19, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 19, 2024.

Lithophragma tenellum
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©2000 California Academy of Sciences
Lithophragma tenellum
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©2002 California Academy of Sciences
Lithophragma tenellum
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©2015 Barry Breckling
Lithophragma tenellum
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©2009 Barry Breckling

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Geographic subdivisions for Lithophragma tenellum:
CaRH, n SNH, SnGb, SnBr, MP
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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).





 

Data provided by the participants of the  Consortium of California Herbaria.
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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 (fruiting time in some monocot genera).