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Beryl B. Simpson

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.
1 genus, 18 species: America, arid semitropics, tropics. [Simpson et al. 2003 Syst Bot 29:97–108] Pollinating bees collect oils secreted by glandular petals. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Simpson 1989 Fl Neotropica 49:1–109; Simpson et al. 2003 Syst Bot 29:97–108]

(J.G.H. Kramer, Austrian Army physician, botanist, 1684–1744)
Unabridged etymology: (Johann Georg Heinrich Kramer, 1684–1744, Austrian Army physician, botanist)

Key to Krameria

K. bicolor S. Watson WHITE RHATANY
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.
Dry, rocky or sandy places, especially on lime soils; < 1400 m. Desert; to Nevada, Texas, northern Mexico. [Krameria grayi Rose & Painter; Krameria canescens A. Gray, illeg.] Apr–May [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora,, accessed on Nov 27 2015
Citation for this treatment: [Author of taxon treatment] 2013. Krameria, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on Nov 27 2015

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Geographic subdivisions indicated for the distribution of Krameria bicolor 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.
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.