Corsia lamellata
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Corsia lamellata |
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Corsia lamellata is a loose leaf green plant type from the family of Corsiaceae . It wasfirst describedin 1913 by Friedrich Richard Rudolf Schlechter . It is the largest species of the genus in every respect.
features
Like all species of the genus also has Corsia lamellata the photosynthesis abandoned and therefore forms no chlorophyll more. Instead, it lives mycoheterotrophically on a fungus .
Corsia lamellata is an unbranched and upright herbaceous plant . A hairless stem 12 to 25 centimeters long sprouts from the short, creeping rhizome . This is covered with three to five, lanceolate-sheathed, alternate leaves.
The upright single flowers are terminal and dark wine red. Of the six petals (three tepals each in two petal circles ) five are pointed, linear-lanceolate, 23 to 25 millimeters long, they are horizontal to slightly curved upwards. The top sixth, the so-called labellum , stands upright, is greatly enlarged (25 millimeters long, 15 millimeters wide), with nine finely haired lamellae and pointedly elliptical. It is triangularly thickened at the base and there is a cusp in the thickening. The labellum encloses the flower bud and covers the other flower organs after opening.
The stamens, which are slightly bent back at the tip, of the six stamens that are fused at the base are sub-like , the anthers almost square. The stylus is cylindrical and almost as long as the stamens.
Distribution area
Corsia lamellata is native to the north-eastern part of New Guinea in the forests of the Bismarck Mountains at altitudes of 1300 to 1800 meters on humus soils.
literature
Much of the information in this article has been obtained from the following sources:
- R. Schlechter: New Corsiaceae of Papuaia. In: Botanical yearbooks for systematics, plant history and plant geography. Vol. 49, pp. 109–112, 1913, Stuttgart, online version
- P. Van Royen: Sertulum Papuanum 17. Corsiaceae of New Guinea and surrounding areas In: Webbia. 27: pp. 223-255, 1972