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Dendrobium aemulum, commonly known as the ironbark feather orchid[2] or white feather orchid,[3] is an epiphytic orchid in the family Orchidaceae and grows on trees that retain their bark, especially ironbarks. It has reddish or purplish pseudobulbs, two to four leathery leaves and up to seven white, feathery flowers. It grows in open forest in Queensland and New South Wales.
Dendrobium aemulum is an epiphytic herb that has hard, straight, projecting, reddish or purplish brown pseudobulbs 50–180 mm (2–7 in) long and 7–12 mm (0.3–0.5 in) wide. There are between two and four dark green, leathery leaves 20–50 mm (0.8–2 in) long, 20–30 mm (0.8–1 in) wide and folded along the midline. The flowering stems are 20–100 mm (0.8–4 in) long and bear between two and twelve resupinate white to pale yellow flowers 17–20 mm (0.67–0.79 in) long and 20–25 mm (0.79–0.98 in) wide. The dorsal sepal is 18–25 mm (0.7–1 in) long and 3 mm (0.1 in) wide. The lateral sepals curve downwards and are 16–22 mm (0.6–0.9 in) long and about 3 mm (0.1 in) wide. The petals are a similar length to the dorsal sepal but only about 1 mm (0.04 in) wide. The sepals and petals all spread widely, drooping and often turning pink as they age. The labellum is also white to pale yellow, 6–7 mm (0.2–0.3 in) long, 5–6 mm (0.20–0.24 in) wide and has purplish markings and three lobes. The side lobes are pointed and curve upwards and the middle lobe curves downwards. Flowering occurs from August to October. The flowers are reputed to produce a sweet scent at night, "suggesting pollination by night-flying insects".[2][3][4]
Dendrobium aemulum was first formally described in 1810 by Robert Brown and the description was published in the Prodromus Florae Novae Hollandiae et Insulae Van Diemen.[5][6] The specific epithet (aemula) is Latin word meaning "emulating" or "rivalling".[7]
The ironbark feather orchid grows on trees that do not lose their bark, including ironbarks, brush box (Lophostemon confertus) and cypress pine (Callitris species). It is found between the Calliope Range near Gladstone in Queensland and Moruya in New South Wales growing in open forest from the coast to nearby tablelands.[2][4][8][9]
Dendrobium aemulum, commonly known as the ironbark feather orchid or white feather orchid, is an epiphytic orchid in the family Orchidaceae and grows on trees that retain their bark, especially ironbarks. It has reddish or purplish pseudobulbs, two to four leathery leaves and up to seven white, feathery flowers. It grows in open forest in Queensland and New South Wales.
Dendrobium aemulum es una especie de orquídea de hábito epífita; originaria de Australia.[1]
Es una orquídea de pequeño tamaño con hábitos de epifita o litofita. Tiene 6 nodos, tallos lisos y cilíndricos agrupados muy juntos , envuelto por vainas y con 2 a 4 hojas, apicales, ovadas y brillantes de color verde oscuro. Florece desde mediados de invierno hasta mediados de primavera en una corta inflorescencia de 5 a 10 cm, en un racimo bastante denso que surge de los nodos de cañas viejas y nuevas y llevan 2 a 12 flores dulcemente perfumadas. Necesita riego regular durante su crecimiento, pero en invierno se debe dar agua con mucha menos frecuencia.
Hay 3 variedades diferentes, la primera se encuentra en las selvas tropicales de árboles de Lophostemon confertus y tienen estrechos cañas y hojas brillantes verde oscuro. La segunda variedad se encuentra en los bosques abiertos de eucaliptos con tallos cortos rechonchos que se agolpaban junto con aburridas hojas pálidas. El tercero es el más infrecuente, que se encuentra en los bosques de pino y tiene 10 tallos muy delgados y se encuentra más frecuentemente con una sola flor.[2]
Se encuentra en Australia desde el sudeste de Nueva Gales del Sur al noreste de Queensland y se encuentra a elevaciones de 100-3950 metros en las tierras bajas y las montañas a lo largo de los arroyos y en los bosques húmedos abiertos.
Dendrobium aemulum fue descrita por Robert Brown y publicado en Prodromus Florae Novae Hollandiae 333. 1810.[3]
Dendrobium: nombre genérico que procede de la palabra griega (δένδρον) dendron = "tronco, árbol" y (βιος) Bios = "Vida", en resumen significa "viven sobre los troncos de los árboles" (por su naturaleza epifita).
aemulum: epíteto latino que significa "emulando, rivalizando".[4]
Dendrobium aemulum es una especie de orquídea de hábito epífita; originaria de Australia.
Dendrobium aemulum adalah spesies tumbuhan yang tergolong ke dalam famili Orchidaceae. Spesies ini juga merupakan bagian dari ordo Asparagales. Spesies Dendrobium aemulum sendiri merupakan bagian dari genus Dendrobium.[1] Nama ilmiah dari spesies ini pertama kali diterbitkan oleh R.Br..
Dendrobium aemulum adalah spesies tumbuhan yang tergolong ke dalam famili Orchidaceae. Spesies ini juga merupakan bagian dari ordo Asparagales. Spesies Dendrobium aemulum sendiri merupakan bagian dari genus Dendrobium. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh R.Br..
Dendrobium aemulum là một loài lan được tìm thấy ở miền đông Australia.[2]
Loài này được miêu tả khoa học đầu tiên trong Prodromus Florae Novae Hollandiae năm 1810 bởi Robert Brown.
_pl._2906_(1829).jpg)
Dendrobium aemulum là một loài lan được tìm thấy ở miền đông Australia.
Loài này được miêu tả khoa học đầu tiên trong Prodromus Florae Novae Hollandiae năm 1810 bởi Robert Brown.
_pl._2906_(1829).jpg)
