Rafflesia アルノルディイ

Rafflesia アルノルディイ (a scientific name: Rafflesia arnoldii R.Br.) is one kind of all parasitic plants of the rafflesia department rafflesia genus distributed over Indonesian Sumatra.

Rafflesia アルノルディイ
Flower of Rafflesia arnoldii
Classification（APG III）
界 : Plant kingdom Plantae There is no rank : Angiosperm Angiosperms There is no rank : Genuine Dicotyledones eudicots There is no rank : Rose kind rosids There is no rank : Genuine rose kind I eurosid I Eyes : Kyn spleenwort eyes Malpighiales Course : Rafflesia department Rafflesiaceae The genus : Rafflesia genus Rafflesia Kind : Rafflesia アルノルディイ R. arnoldii
Scientific name
Rafflesia arnoldii R.Br.

Habits

I grow it in the slightly wet forest floor of the mountainous district and am parasitic on the stem of the plant of the vitaceous plant honewort chasuble genus or a root. Most of the individuals are flowers, and a root and the stem degenerate. The flower is a tango in the whole. This seed becomes the maximum size in the rafflesia genus, and, as for the diameter, there is the individual reaching 1.5m. The flower which is near flowering is a figure such as the cabbage, but opens five pieces of slow petals as 2nd. The appearance of the petal of the big fleshy substance includes a yellow verrucous spot. The lower part of the petal attaches it mutually and becomes the gulf-formed flower tube and surrounds it around a ずい pillar. The flower has a pot-formed cover towards the inside and the central part greatly opens and is depressed deeply. There is a board-formed body having approximately 30 horn-formed risings inside. The ovary has a large number of seed bud at a low rank. It is dioecism and releases the odor that the meat rotted during flowering in the neighborhood. I am said that the fly is provoked by this odor and carries the pollen in the male flower to the female flower by a meeting, a fly. The fly touches adhesion-formed pollen to the back by the fly which moved to the male flower getting into the board space under the floor of the central のずい pillar, and being led to the line of the hair, and reaching the anther. I am pollinated by the pollen which the back of the fly which moved to the male flower had being arrested in the female flower by the hair around the style in the board space under the floor of the ずい pillar. The fruit of the fist size grows it from pollination for approximately eight months, and millions of minute seeds are included in that. By small mammals or an ant and a white ant, seminal dispersion is carried out. It is an origin that "rafflesia アルノルディイ" of the scientific name was discovered in 1818 by Thomas Raffles (Thomas Stamford Raffles) and two people of Joseph Arnold (English version) (Joseph Arnold).

Reference book

• 4 "rafflesia department" "world seed plants of the morning sun all sorts of subject plant", Asahi Shimbun publication station, September, 1997. ISBN 978-4,023,800,106。
• On Tomitarou Makino "revision enlargement Arata Makino Japan pictorial book of flora" Hokuriku hall, July 20, 1989, it is Mikio Ono, Hideaki Ohba, Makoto Nishida. ISBN 4-8326-0010-9。

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