Pterospora andromedea
| Pterospora andromedea | ||||||||||||
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Pterospora andromedea |
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| Systematics | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Pterospora | ||||||||||||
| Nutt. | ||||||||||||
| Scientific name of the species | ||||||||||||
| Pterospora andromedea | ||||||||||||
| Nutt. |
Pterospora is a plant from the family of the Ericaceae (Ericaceae) and the only species in the genus.
description
Pterospora andromedea is a chlorophyllless , myco-heterotrophic herbaceous plant and covered with multicellular glandular hairs. Their root system is compact, the shoot and inflorescence axis sprouting from them is pink to reddish. The leaves are simple.
The inflorescence is multi-flowered, the flowers are urn-shaped. The sepals are fused. The stamens are half as long as the crown , the anthers are long spurred and probably only turning late, slit at the end and at the sides. The nectaries can hardly be seen. The stylus is depressed and very short.
The fruit opens from the base, the seeds are winged and thin-walled, with slightly elongated cells.
The number of chromosomes is 2n = 16 or 48.
distribution
The species is found in western North America to Mexico and northeast to the Great Lakes area at altitudes of 60 to 3675 meters. It grows in mixed forests and in coniferous forests.
Systematics
Species and genus were first described in 1818 by Thomas Nuttall .
literature
- PF Stevens et al .: Ericaceae. In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants - Volume VI - Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer-Verlag , Berlin 2004, p. 167, ISBN 978-3-540-06512-8
