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Orochaenactis is a monotypic genus of flowering plants in the daisy family containing the single species Orochaenactis thysanocarpha, which is known by the common name California mountain pincushion. It is endemic to the southern Sierra Nevada of California, where it grows in the forests and meadows of the high mountains.
Orochaenactis thysanocarpha is an annual herb producing a slender, often branching stem up to about 25 centimeters tall. It is coated thinly to densely in hairs, often glandular. The narrow leaves are generally linear in shape and up to 4 centimeters long.
The inflorescence is a small flower head lined with purple phyllaries nested in a cluster of leaflike bracts. The head contains several yellow disc florets. The fruit is a ribbed achene tipped with a pappus of fringelike scales, the fruit around half a centimeter long in total.
Orochaenactis is a monotypic genus of flowering plants in the daisy family containing the single species Orochaenactis thysanocarpha, which is known by the common name California mountain pincushion. It is endemic to the southern Sierra Nevada of California, where it grows in the forests and meadows of the high mountains.
Orochaenactis es un género monotípico de plantas fanerógamas perteneciente a la familia de las asteráceas. Su única especie Orochaenactis thysanocarpha es originaria de Estados Unidos en California.[1][2]
Es una planta anual que alcanza un tamaño de hasta 25 cm de altura. Tallos erectos, simples o ramificados ± (muy delgados). Hojas caulinares, opuestas (proximales); pecioladas o sésiles, hojas lineares a estrechamente oblongo-oblanceoladas, márgenes enteros. Inflorescencias discoides, solitarias o (2-5) en grupos (en la punta del tallo). Los involucros cilíndricos de 3-4 (-6) mm de diámetro. El disco de 4-9 florecillas ; la corola amarilla. Tiene un número de cromosomas de x = 9.[3]
Orochaenactis thysanocarpha fue descrita por (A.Gray) Coville y publicado en Contributions from the United States National Herbarium 4: 134. 1893.[4]
Orochaenactis es un género monotípico de plantas fanerógamas perteneciente a la familia de las asteráceas. Su única especie Orochaenactis thysanocarpha es originaria de Estados Unidos en California.
Orochaenactis é um género botânico pertencente à família Asteraceae[1].
Orochaenactis é um género botânico pertencente à família Asteraceae.
«Orochaenactis — World Flora Online». www.worldfloraonline.org. Consultado em 19 de agosto de 2020Orochaenactis là một chi thực vật có hoa trong họ Cúc (Asteraceae).[1]
Chi Orochaenactis gồm các loài:
Orochaenactis là một chi thực vật có hoa trong họ Cúc (Asteraceae).
