Jepson eFlora: Taxon page
Vascular Plants of California
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Frasera albicaulis


Higher Taxonomy
Family: GentianaceaeView DescriptionDichotomous Key
Common Name: GENTIAN FAMILY
Habit: Annual to perennial herb [to trees]. Stem: decumbent to erect, < 2 m, simple or branched. Leaf: simple, cauline, sometimes also basal, opposite or whorled, entire, sessile or basal +- petioled; stipules 0. Flower: bisexual, radial, parts in 4s or 5s except pistil 1; sepals fused, persistent; petals fused, +- persistent, sinus between lobes often unappendaged; stamens epipetalous, alternate corolla lobes; ovary superior, chamber 1, placentas parietal, often intruding, stigmas 1--2. Fruit: capsule, 2-valved. Seed: many.
Genera In Family: +- 90 genera, 1800 species: worldwide; some cultivated (Eustoma, Exacum, Gentiana). Note: Gentianella tenella moved to Comastoma. Key to genera revised by Bruce G. Baldwin.
eFlora Treatment Author: James S. Pringle, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: FraseraView DescriptionDichotomous Key


Habit: Perennial herb (non-flowering rosettes preceding flower-stems, plants dying after flowering in Frasera albomarginata, Frasera parryi, Frasera puberulenta, Frasera speciosa, and Frasera umpquaensis; non-flowering rosettes appearing with flower-stems in others). Leaf: basal +- petioled; cauline opposite or whorled, < basal, base often fused-sheathing. Inflorescence: cyme or panicle of dense clusters. Flower: parts in 4s; calyx fused near base, lobes lanceolate; corolla rotate (bell-shaped), lobes >> tube, ridge between stamens fringed or scaled or 0, nectary pits prominent, 1(2) per lobe, margins of openings variously fringed; ovary sessile, style long and well differentiated or short and poorly differentiated, persistent, entire, stigmas 2.
Species In Genus: +- 15 species: temperate North America. Etymology: (J. Fraser, Scottish collector of North America pls, 1750--1811)
eFlora Treatment Author: Bruce G. Baldwin
Reference: von Hagen & Kadereit 2002 Syst Bot 27:548--572
Unabridged Reference: St. John 1941 Amer Midl Naturalist 21:1--29
Frasera albicaulis Griseb.
NATIVE
Habit: Plant 1--6.5 dm. Stem: 1--few; rosettes several. Leaf: narrowly white-margined; basal 4--23 cm, 3--12(20) mm wide, oblanceolate; cauline opposite, distal linear-oblong. Inflorescence: dense, interrupted proximally; pedicels 2--8(30) mm. Flower: calyx 3--7(12) mm; corolla 6--12 mm, green-white to pale blue, dark-blue-dotted or not, lobes elliptic-oblong, acute to short-acuminate, ridge between stamens with +- 2 mm, triangular to ovate-oblong, entire or +- coarsely jagged scales, nectary pit 1 per lobe, oblong.
Bioregional Distribution: KR, NCoR, CaR, n SN, MP; Distribution Outside California: to Washington, Montana, northwestern Nevada. Note: Varieties intergrade; 4 other varieties.
Synonyms: Swertia albicaulis (Griseb.) Kuntze; Leucocraspedum albicaulis (Griseb.) Rydb.
Jepson eFlora Author: Bruce G. Baldwin
Reference: von Hagen & Kadereit 2002 Syst Bot 27:548--572
Unabridged Reference: St. John 1941 Amer Midl Naturalist 21:1--29
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Botanical illustration including Frasera albicaulis

botanical illustration including Frasera albicaulis

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Citation for this treatment: Bruce G. Baldwin 2012, Frasera albicaulis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=26069, accessed on June 24, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on June 24, 2019.

Frasera albicaulis var. nitida
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© 2016 Steve Matson
Frasera albicaulis
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© 2011 Julie Kierstead Nelson
Frasera albicaulis var. nitida
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© 2016 Steve Matson
Frasera albicaulis var. modocensis
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© 2009 Keir Morse
Frasera albicaulis var. nitida
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© 2015 Steve Matson
Frasera albicaulis var. modocensis
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© 2009 Keir Morse

More photos of Frasera albicaulis var. modocensis in CalPhotos



Geographic subdivisions for Frasera albicaulis:
KR, NCoR, CaR, n SN, 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).





 

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All markers link to CCH specimen records. The original determination is shown in the popup window.
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.