Carr, Gerald D.

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My research interests focus on biosystematics, speciation, and adaptive radiation in plants. Most of my work has involved chromosome evolution in a group of closely related Pacific Coast and Hawaiian genera that include the well-known Haleakala silversword. However, I am also collaborating with a number of other researchers on such aspects as molecular evolution, physiological diversification, and phytochemistry of these taxa. Our goal has been to provide a comprehensive, multidisciplinary perspective on the spectacular adaptive radiation that characterizes the Hawaiian element of this group.

Dr. Gerry Carr, Emeritus Professor
Department of Botany
1975 PhD. Botany
Oregon State University

gerry@hawaii.edu

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Additional Chromosome Numbers of Hawaiian Flowering Plants

Carr, Gerald D (University of Hawai'i Press, 1985-07)

Chromosome numbers of 30 collections representing 29 species and 16 families of Hawaiian flowering plants are presented an d discussed. The chromosome numbers of 24 of these species have not previously been reported. Chromosome ...
Cytogenetics of Hibiscadelphus (Malvaceae): A Meiotic Analysis of Hybrids in Hawaii Volcanoes National Park

Carr, Gerald D; Baker, James K (University of Hawaii Press, 1977-04)

The chromosome number of 2n = 20 11 reported here is the first determination for Hibiscadelphus giffardianus Rock and H. distans Bishop & Herbst. An earlier report of the same number for H. hualalaiensis Rock ...
The Later Publications of Harold St. John

Carr, Gerald D (University of Hawaii Press, 1994-04)

This paper lists the bibliography after 1980 of Dr. Harold St. John professor emeritus of the University of Hawaii Botany Department, who died 12 December 1991.
A Morphometric Analysis and Taxonomic Appraisal of the Hawaiian Silversword Argyroxiphium sandwicense DC. (Asteraceae)

Meyrat, Alain; Carr, Gerald D; Smith, Clifford W (University of Hawai'i Press, 1983-07)

Morphometric techniques were used to examine the pattern of variation of45 characters between the Haleakala and Mauna Kea populations of Argyro xiphium sandwicense. Qualitative features were also evaluated. A framework for ...
A Reassessment of Dubautia (Asteraceae: Heliantheae - Madiinae) on Kaua'i

Carr, Gerald D (University of Hawai'i Press, 1999-04)

Aggressive botanical exploration of Kaua'i has yielded nearly 200 collections and two new species of Dubautia since the last monograph of the genus was published about a dozen years ago. This paper presents an updated key ...
A Remnant Greensword Population from Pu'u 'Alaea, Maui, with Characteristics of Argyroxiphium virescens (Asteraceae)

Carr, Gerald D; Medeiros, Arthur C (University of Hawaii Press, 1998-01)

Two unusual greenswords occurring on Pu'u 'Alaea in 1989 reportedly possessed vegetative features characteristic of the presumed extirpated species Argyroxiphium virescens Hillebr. One of these Pu'u 'Alaea plants flowered ...
Reproductive Biology and Uniform Culture of Portulaca in Hawaii

Kim, Insun; Carr, Gerald D (University of Hawaii Press, 1990-04)

Ten taxa of Portulaca that occur in Hawaii (P. lutea, P. molokiniensis, P. oleracea, P. pi/osa, P. sclerocarpa, P. villosa, two imperfectly known species, and two cultivars) were included in a study of reproductive biology ...
Two New Species in the Hawaiian Endemic Genus Dubautia (Compositae)

Carr, Gerald D (University of Hawaii Press, 1979-07)

Two species of the Hawaiian genus Dubautia (subgenus Railliardiaster) are described as new. Dubautia herbstobatae (n = 13) is from Ohikilolo Ridge in the Waianae Mountains of Oahu; D. waianapanapaensis (n = 13) is from ...