Allotropa virgata
Allotropa virgata | ||||||||||||
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Allotropa virgata |
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Systematics | ||||||||||||
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Scientific name of the genus | ||||||||||||
Allotropa | ||||||||||||
A.Gray | ||||||||||||
Scientific name of the species | ||||||||||||
Allotropa virgata | ||||||||||||
A.Gray |
Allotropa is a plant from the family of the Ericaceae (Ericaceae) and the only species in the genus.
description
Allotropa virgata is a chlorophyllless , myco-heterotrophic herbaceous plant . Their roots are fibrous, the shoot and inflorescence axis sprouting from them stands upright and is striped red and white. The leaves are simple, there are no previous leaves .
The inflorescence is many flowered, the five bloom are in a petal circle, are non grow and bell-shaped. The ten (rarely nine to eleven) stamens are as long as the perianth , the anthers turn around late. The stylus is depressed, the scar widened.
The seeds are linear, thin-walled and have elongated cells. The number of chromosomes is n = 13.
distribution
The species is found in the western United States at altitudes between 80 and 3000 meters.
Systematics
Species and genus were first described by Asa Gray in 1858 .
proof
- Peter F. Stevens et al .: Ericaceae. In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants, Vol. 6: Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer-Verlag , Berlin 2004, pp. 167-168, ISBN 978-3-540-06512-8