Psathyrotes is a genus of North American plants in the sneezeweed tribe within the sunflower family.[3] It contains annual and perennial forbs and low subshrubs native to dry areas of southwestern North America. Common names include turtleback, brittlestem, and fanleaf.
The plants are low, densely branching, hairy, and scaly, with a turpentine-like odor. Leaves are alternate and hairy. The Latin name of the genus (from the Greek psathurotes) refers to the brittleness of the stems.
see Peucephyllum Psathyrotopsis Trichoptilium
Psathyrotes is a genus of North American plants in the sneezeweed tribe within the sunflower family. It contains annual and perennial forbs and low subshrubs native to dry areas of southwestern North America. Common names include turtleback, brittlestem, and fanleaf.
The plants are low, densely branching, hairy, and scaly, with a turpentine-like odor. Leaves are alternate and hairy. The Latin name of the genus (from the Greek psathurotes) refers to the brittleness of the stems.
Species Psathyrotes annua (Nutt.) Gray (annual psathyrotes, mealy rosettes, turtleback) - CA NV UT AZ ID Synonyms: Bulbostylis annua Nutt. Annual or perennial forb Psathyrotes pilifera Gray (hairy-beast turtleback, hairybeast brittlestem) - NV UT AZ Annual forb Psathyrotes ramosissima (Torr.) Gray (velvet rosette, velvet turtleback, turtleback) - NV UT AZ CA, Baja California, Sonora Synonyms: Tetradymia ramosissima Torr. Annual or perennial forb or subshrub formerly includedsee Peucephyllum Psathyrotopsis Trichoptilium
Psathyrotes incisa A.Gray - Trichoptilium incisum (A.Gray) A.Gray Psathyrotes purpusii Brandegee - Psathyrotopsis purpusii (Brandegee) Rydb. Psathyrotes scaposa A.Gray - Psathyrotopsis scaposa (A.Gray) H.Rob. Psathyrotes schottii (A.Gray) A.Gray - Peucephyllum schottii A.GrayPsathyrotes es un género de plantas con flores anuales y perennes con pequeños arbustos perteneciente a la familia Asteraceae, nativo de regiones secas del sudoeste de Norteamérica. Comprende 7 especies descritas y de estas, solo 3 aceptadas.[1][2]
Las plantas son bajas, densamente ramificadas, peludas y carnosas con olor a trementina. Las hojas son alternas y peludas.
El género fue descrito por Asa Gray y publicado en Smithsonian Contributions to Knowledge 5(6): 100. 1853.[3] La especie tipo es: Psathyrotes annua (Nutt.) A. Gray.
Psathyrotes: nombre genérico que proviene del griego y que se refiere a la fragilidad de sus tallos.[4]
A continuación se brinda un listado de las especies del género Psathyrotes aceptadas hasta julio de 2012, ordenadas alfabéticamente. Para cada una se indica el nombre binomial seguido del autor, abreviado según las convenciones y usos.
Psathyrotes es un género de plantas con flores anuales y perennes con pequeños arbustos perteneciente a la familia Asteraceae, nativo de regiones secas del sudoeste de Norteamérica. Comprende 7 especies descritas y de estas, solo 3 aceptadas.
Psathyrotes est un genre végétal de la famille des Asteraceae.
Selon ITIS :
Psathyrotes est un genre végétal de la famille des Asteraceae.
Psathyrotes é um género botânico pertencente à família Asteraceae[1].
Psathyrotes é um género botânico pertencente à família Asteraceae.
«Psathyrotes — World Flora Online». www.worldfloraonline.org. Consultado em 19 de agosto de 2020Psathyrotes là một chi thực vật có hoa trong họ Cúc (Asteraceae).[1]
Chi Psathyrotes gồm các loài:
Psathyrotes là một chi thực vật có hoa trong họ Cúc (Asteraceae).