Brintonia is a monotypic genus of flowering plants in the sunflower family, containing the single species Brintonia discoidea, named for Jeremiah Bernard Brinton.[2] It is known commonly as the rayless mock goldenrod.[3][4] It is native to the southeastern United States, where it is distributed in Alabama, Florida, Georgia, Louisiana, and Mississippi.[3][5]
Brintonia discoidea is a perennial herb growing up to 1.5 meters tall from a thick rhizome. The erect, unbranched stem is lightly hairy. The alternately arranged leaves have rough-haired serrated blades up to 10 centimeters long on winged petioles. The inflorescence is a wide array of several flower heads. Each head contains up to 20 disc florets with bright green tubes and whitish or pinkish corollas and pinkish anthers. The fruit is a ribbed cypsela with a pappus of many white or purple-tipped bristles.[3]
The plant occurs on the Gulf Coastal Plain in sandy, swampy habitat.[4]
It is sometimes still treated as a species of Solidago,[6] but DNA evidence and several aspects of its morphology support its separation from that genus.[7]
Brintonia is a monotypic genus of flowering plants in the sunflower family, containing the single species Brintonia discoidea, named for Jeremiah Bernard Brinton. It is known commonly as the rayless mock goldenrod. It is native to the southeastern United States, where it is distributed in Alabama, Florida, Georgia, Louisiana, and Mississippi.
Brintonia discoidea is a perennial herb growing up to 1.5 meters tall from a thick rhizome. The erect, unbranched stem is lightly hairy. The alternately arranged leaves have rough-haired serrated blades up to 10 centimeters long on winged petioles. The inflorescence is a wide array of several flower heads. Each head contains up to 20 disc florets with bright green tubes and whitish or pinkish corollas and pinkish anthers. The fruit is a ribbed cypsela with a pappus of many white or purple-tipped bristles.
The plant occurs on the Gulf Coastal Plain in sandy, swampy habitat.
It is sometimes still treated as a species of Solidago, but DNA evidence and several aspects of its morphology support its separation from that genus.
Brintonia es un género monotípico de plantas herbáceas, perteneciente a la familia Asteraceae.[1]Su única especie, Brintonia discoidea, es originaria de Norteamérica.
Tiene tallos con vellosidad suave (con pelos de 1 mm aprox.). Hojas: basales y caulinares con pecíolos alados de 2-8 cm, medianamente vellosos, hojas ampliamente a oval estrecha, de 40-100 × 30-80 mm, base cordada o atenúada, los márgenes serrados. Las inflorescencias en pedúnculos más cortos que los entrenudos, delgadas, estrigosas. Tiene un número cromosomático de 2 n = 18. Floración agosto-octubre.[2]
Se encuentra en los suelos arenosos, bosques ricos, a veces pantanosos, a una altitud de 10-200 m; Alabama, Florida, Georgia, Luisiana, Mississippi. Crece en la llanura costera del Golfo al este del río Mississippi y en el extremo sur del valle y la provincia en el norte de Alabama.
Brintonia discoidea fue descrita por (Elliott) Greene y publicado en Erythea 3(6): 89. 1895.[3]
Datos: Q4968490
Brintonia es un género monotípico de plantas herbáceas, perteneciente a la familia Asteraceae.Su única especie, Brintonia discoidea, es originaria de Norteamérica.
Brintonia là một chi thực vật có hoa trong họ Cúc (Asteraceae).[1]
Chi Brintonia gồm các loài:
Brintonia là một chi thực vật có hoa trong họ Cúc (Asteraceae).
