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    Vascular Plants of California
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Krameria bicolor

Higher Taxonomy
Family: KrameriaceaeView Description 

Habit: Shrub [perennial herb], green root-parasite. Stem: prostrate to erect, much-branched. Leaf: generally simple [1-ternate], alternate, crowded on short-shoots or not, sessile [petioled]; stipules 0; blade linear to ovate, hairy, glandular or not, tip abruptly pointed. Inflorescence: flowers 1 in axils [terminal racemes]; pedicel jointed, bractlets 2. Flower: bisexual, bilateral; sepals 4--5, free, petal-like, magenta, red-purple [yellow]; petals generally 5, 3 upper linear to clawed, free or fused basally, held in +- upright flag, 2 lower modified as glands; stamens generally 4, fused to flag base, upcurved, anthers opening by pores; ovary superior, hairy, style slender, upcurved. Fruit: nut-like, with smooth or barbed prickles; seed 1.
Genera In Family: 1 genus, 18 species: America, arid semitropics, tropics. Note: Pollinating bees collect oils secreted by glandular petals.
eFlora Treatment Author: Beryl B. Simpson
Scientific Editor: Thomas J. Rosatti.
Genus: KrameriaView DescriptionDichotomous Key

Common Name: RHATANY

Etymology: (Johann Georg Heinrich Kramer, 1684--1744, Austrian Army physician, botanist)

Krameria bicolor S. Watson
Habit: Densely canescent or silky-hairy. Stem: < 1 m; branches +- spreading, tips thorn-like. Leaf: narrowly lanceolate. Flower: buds curved upward; sepals deep purple-red; petal blades oblanceolate, green at base, magenta or purple above; glandular petals purple, outer face glandular covered with equal-sized blisters. Fruit: +- spheric.
Ecology: Dry, rocky or sandy places, especially on lime soils; Elevation: < 1400 m. Bioregional Distribution: D; Distribution Outside California: to Nevada, Texas, northern Mexico. Flowering Time: Apr--May
Synonyms: Krameria grayi Rose & Painter; Krameria canescens A. Gray, illeg.;
Jepson eFlora Author: Beryl B. Simpson
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botanical illustration including Krameria bicolor


Citation for this treatment: Beryl B. Simpson 2012, Krameria bicolor, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on November 13, 2018.

Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora,, accessed on November 13, 2018.

Krameria bicolor
click for enlargement
© 2010 Neal Kramer
Krameria bicolor
click for enlargement
© 2009 Thomas Stoughton
Krameria bicolor
click for enlargement
© 2012 Keir Morse
Krameria bicolor
click for enlargement
© 2010 Neal Kramer
Krameria bicolor
click for enlargement
© 2009 Thomas Stoughton
Krameria bicolor
click for enlargement
© 2012 Keir Morse

More photos of Krameria bicolor in CalPhotos

Geographic subdivisions for Krameria bicolor:
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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).

View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

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.