Results 131 to 140 of about 487 (150)

Cytological Studies in Relation to the Classification of the Genus Calochortus

Botanical Gazette, 1939
1. Chromosome counts for the following species and varieties of Calochortus are reported: C. elegans var. nanus.-Diploid, 20 chromosomes; 10 bivalents at metaphase I of meiosis. C. longebarbatus.-Diploid, 20 chromosomes; 10 bivalents at metaphase I of meiosis. C. longebarbatus var.
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The radiation of Calochortus : generalist flowers moving through a mosaic of potential pollinators

Oikos, 2000
Few studies have surveyed the insects visiting flowers at many sites and for many related species. Calochortus , a genus of about 60 species with its center of diversity in California, has flowers with a wide range of appearances. Insects visiting Calochortus
James D. Dilley, Paul Wilson, Michael R. Mesler   +2 more
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Dormancy and flowering in two mariposa lilies (Calochortus) with contrasting distribution patterns

Canadian Journal of Botany, 2004
We investigated patterns of dormancy and reproduction over time in two long-lived grassland perennial species, Calochortus lyallii Baker and Calochortus macrocarpus Dougl. Three populations of each species were monitored over 5 years near Osoyoos, British Columbia, at the northern range limit for C.
Michael T Miller, Geraldine A Allen, Joseph A Antos   +2 more
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Rare Plant Demography: Lessons from the Mariposa Lilies (Calochortus: Liliaceae)

1998
Rare plants have been intensively studied and described in the past two decades (e.g., Falk and Holsinger 1991; Given 1994; Frankel, Brown, and Burdon 1995; Falk, Millar, and Olwell 1996), in part due to the recovery mandates under the U.S. Endangered Species Act of 1973.
Peggy L. Fiedler, B. E. Knapp, Nancy Fredricks   +2 more
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Morphological Comparison of Calochortus howellii and a New Species from Southwestern Oregon, C. umpquaensis (Liliaceae)

Systematic Botany, 1989
Calochortus umpquaensis (Liliaceae), a new species from Oregon, is from a very limited area in Douglas County. Morphological comparisons are made between it and the closely related C. howellii, which is endemic to the Illinois River drainage of Josephine County, Oregon.
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Calochortus

Scientific American, 1902
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Calochortus Weedii

Scientific American, 1894
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Notes on Calochortus

Bulletin of the Torrey Botanical Club, 1906
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Cytological Studies in Relation to the Classification of the Genus Calochortus. III

Botanical Gazette, 1943
J. M. Beal, Marion Ownbey
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Calochortus obispoensis, N. Sp.

Botanical Gazette, 1886
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