Plagiobothrys chorisianus

Plagiobothrys chorisianus (Chamisso) I.M.Johnston

Contr. Gray Herb. 68: 77 (1923)

[Plagiobothrys HOME / INICIO]

Pronunciation/Pronunciación:
 Pla-gi-o-bó-thrys  cho-ri-si-à-nus
Etymology/Etimología:
 after the Ukrainian botanical artist Ludwig (or Ludovic) Choris (1795-1828), who traveled on the Russian ship Rurik along with scientists Adelbert von Chamisso, Morten Wormskjold, and Johann Friedrich Eschscholtz
Synonyms/Sinónimos:
 Homotypic:
    Myosotis chorisiana Cham. (Basionym), Linnaea 4: 444 (1829)
    Eritrichium chorisianum (Cham.) DC., Prodr. 10: 130 (1846)
    Allocarya chorisiana (Cham.) Greene, Pittonia 1: 13 (1887)
Heterotypic:
    Allocarya chorisiana var. myriantha (Greene) Jeps., Man. Fl. Pl. Calif.: 852 (1925)
    Allocarya myriantha Greene, Erythea 3: 125 (1895)
    Eritrichium connatifolium Kellogg, Proc. Calif. Acad. Sci. 2: 163 (1863)
    Krynitzkia chorisiana A.Gray, Proc. Amer. Acad. Arts 20: 267 (1885)
    Krynitzkia myriantha (Greene) Rattan, Anal. Key West Coast Bot.: 58 (1898)
Type/Tipo:

L. A. von Chamisso s.n., verified 1829 (GH00097573), United States, California: San Francisco County: San Francisco

Johnston 1932 Treatment (p. 48)

Jepson eFlora Treatment

Distribution/Distribución:
LEFT: BONAP. http://bonap.net/tdc. Accessed 17 Sep 2021.
RIGHT: CCH2. Click to see current herbarium records.


Isotype:
Myosotis chorisiana Chamisso
L. A. von Chamisso s.n., verified 1829 (GH00097573), United States, California: San Francisco County: San Francisco


Key to two accepted varieties (from Jepson eFlora):

Leaves of lower pair generally fused at base, ± sheathing stem; stem erect to decumbent, branched from upper axils; corolla limb 6–10 mm diam;
    pedicels generally > calyx ..... var. chorisianus

Leaves of lower pair generally ± not fused at base, not or ± sheathing stem; stem prostrate, branched from lower axils; corolla limb 5–7 mm diam;
    pedicels generally < calyx ..... var. hickmanii


Exemplars:

Plagiobothrys chorisianus
D. F. Howe 4640, 6 June 1969 (SDSU05438)
United States, California, San Mateo County, 18.5 miles north of San Mateo - Santa Cruz Co. line on the # 1..
Ca. 37.328775, -122.397229




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