Karl Theodor Hartweg

German botanist (1812-1871).

Karl Theodor Hartweg (18 June 1812 – 3 February 1871) was a German botanist. He collected numerous new species of plants in Colombia, Ecuador, Guatemala, Mexico and California in the United States, collecting for the London Horticultural Society. Many of the species he discovered were formally published, with attribution, by George Gordon, the Foreman of the London Horticultural Society Gardens and a specialist in the conifers which were well represented in Hartweg's collections. Many plants collected in Mexico by Hartweg from 1836 onward were identified and catalogued by George Bentham in Pla

Abbreviations: Hartw.
Occupations: scientific collector, botanist, botanical collector
Citizenships: Grand Duchy of Baden
Languages: German
Dates: 1812-06-18T00:00:00Z – 1871-02-03T00:00:00Z
Birth place: Karlsruhe
Direct attributions: 2 plants, 0 fungi
Authorship mentions: 17 plants, 0 fungi

2 plants attributed, 15 plants contributed to17 plants:

Cupressus macrocarpa (Monterey-cypress) Hartw. 1847
vulnerable plant species in the cupressaceae family
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Berberis angustifolia Hartw.
plant species in the berberidaceae family
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Berberis pallida Hartw. ex Benth. 1840
plant species in the berberidaceae family
Berberis pallida is a shrub in the Berberidaceae described as a species in 1840. It is endemic to Mexico, known from the States of Guanajuato, Hidalgo, Oaxaca, Veracruz, Puebla, Querétaro, and Tamaulipas.
Limnanthes alba (White Meadowfoam) Hartw. ex Benth. 1849
annual plant species in the limnanthaceae family
Limnanthes alba is a species of flowering plant in the meadowfoam family known by the common name white meadowfoam. It is native to California and Oregon, where it grows in wet grassy habitat, such as vernal pools and moist spots in woodlands. It generally grows in poorly drained soils. It is an annual herb producing an erect or decumbent stem up to about 30 centimeters long. The leaves divided into several lobed or unlobed leaflets. The flower is cup-shaped with white petals 1 to 1.5 centimeters long. This grassland wildflower is also under small-scale cultivation. It is the source of
Erythranthe bicolor (Yellow And White Monkeyflower) (Hartw. ex Benth.) G.L.Nesom & N.S.Fraga 2012
annual plant species in the phrymaceae family
Erythranthe bicolor, the yellow and white monkeyflower, is a species of flowering plant in the lopseed family (Phrymaceae). It is endemic to California, United States. It was formerly known as Mimulus bicolor.
Collinsia tinctoria (Sticky Chinese Houses) Hartw. ex Benth. 1849
annual plant species in the plantaginaceae family
Collinsia tinctoria is a species of flowering plant in the family Plantaginaceae known by the common names sticky Chinese houses and tincture plant. It is endemic to California, where it grows in the woodlands and forests of the mountain ranges of the central and northern regions of the state.
Arpophyllum giganteum (Hyacinth Orchid) Hartw. ex Lindl. 1840
plant species in the orchidaceae family
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Berberis gracilis Hartw. ex Benth. 1840
plant species in the berberidaceae family
Berberis gracilis is a plant species native to the Mexico, widely distributed from Tamaulipas to Oaxaca. Berberis gracilis is a shrub. Leaves are pinnately compound with 4-7 pairs of leaflets plus a larger terminal leaflet, all lanceolate with teeth along the margins. Flowers are yellow 6-parted flowers, borne in an elongated raceme. Fruits are dark blue and egg-shaped.
Fuchsia verrucosa Hartw. ex Benth. 1845
plant species in the onagraceae family
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Diplacus tricolor (Tricolor Monkeyflower) (Hartw. ex Lindl.) G.L.Nesom 2012
annual plant species in the phrymaceae family
Diplacus tricolor is a species of monkeyflower known by the common name tricolor monkeyflower. It is native to Oregon and California. It grows in seasonally wet habitats such as meadows and vernal pools, including those in the San Joaquin Valley and near north coast oak woodlands. It was formerly known as Mimulus tricolor.
Pinus gordoniana (Douglas Pine) Hartw. ex Gordon 1847
plant species in the pinaceae family
Pinus gordoniana (Gordon's pine; syn. Pinus douglasiana) is a species of evergreen conifer in the family Pinaceae, endemic to Mexico. Another common name is Douglas pine, but that name is sometimes applied to the unrelated species Pseudotsuga menziesii which is usually known as Douglas-fir.
Lupinus semperflorens Hartw. ex Benth. 1843
plant species in the fabaceae family
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Hesperocyparis macrocarpa (Monterey Cypress) (Hartw.) Bartel 2009
plant species in the cupressaceae family
Hesperocyparis macrocarpa also known as Cupressus macrocarpa, or the Monterey cypress is a coniferous tree, and is one of several species of cypress trees native to California. The Monterey cypress is found naturally only on the Central Coast of California. Due to being a glacial relict, the natural distributional range of the species during modern times is confined to two small relict populations near Carmel, California, at Cypress Point in Pebble Beach and at Point Lobos. Historically during the peak of the last ice age, Monterey cypress would have likely comprised a much larger forest that
Pinus montezumae var. gordoniana (Hartw. ex Gordon) Silba 1990
plant variety in the pinaceae family
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Pinus ponderosa var. benthamiana (Pacific Ponderosa Pine) (Hartw.) Vasey 1876
plant variety in the pinaceae family
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Mahonia pallida (Hartw. ex Benth.) Mouill. 1891
plant species in the berberidaceae family
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Mahonia gracilis (Hartw. ex Benth.) Bosse 1901
plant species in the berberidaceae family
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