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(Last Modified On 4/8/2013)
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(Last Modified On 4/8/2013)
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Genus
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Anagallis L.
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PlaceOfPublication
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Sp. PI. 148. 1753.
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Description
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Annual or perennial herbs, erect, decumbent, or prostrate, glabrous, the stem terete, winged or angled. Leaves opposite, alternate, or verticillate, sessile or short- petiolate, entire. Inflorscences terminal racemes or flowers solitary and axillary. Flowers regular, (4-)5-6(or rarely -9)-merous, sessile or pedicellate, red, pink, blue, or white; calyx deeply lobed, the lobes ? lanceolate; corolla usually equal- ing or exceeding the calyx, gamopetalous, rotate or rotate-campanulate, sometimes marcescent, deeply lobed, the lobes sometimes gland fringed, the tube short, the stamens inserted on the base of the corolla tube and partially adnate to it, the fila- ments connate basally, glabrous or bearded, the anthers ovoid, longitudinally de- hiscent; staminodia absent; ovary superior, globose, the style filiform. Fruit an indehiscent capsule or a pyxis, globose; seeds small, numerous and angular, or rarely 1 and globose.
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Habit
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herbs
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Distribution
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A genus of 29 species growing in damp places from sea level to 12,000 ft; mostly native to Africa, the Mediterranean region, and South America but with two native and one introduced species widespread in both hemispheres. One spe- cies is reported from Panama.
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Note
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Pax and Knuth in their monograph of the Primulaceae (Pflanzenr. IV. 237: 1-386. 1905) separated Centunculus minimus L. from Anagallis as a mono- typic genus. This treatment has been followed by some later authors, but recently P. Taylor (Kew Bull. 10: 321-350. 1955) has included Centunculus with some related species of Anagallis as a subgenus of Anagallis on the basis that the characters of corolla length and filament adnation which have been used to separate the two genera form a continuum. I find no compelling reasons to main- tain the division at the generic level and have written the generic description to include Anagallis (Centunculus) minimus.
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Reference
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Pax and Knuth Primulaceae (Pflanzenr. IV. 237: 1-386. 1905)
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