Costus comosus
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| Roscoe |
Costus comosus is a species of the Costaceae family . It is found from southern Central America to northern South America.
features
Costus comosus is an herbaceous plant and reaches a height of up to 2.5 meters.
The leaves are densely downy hairy on both sides, 10 to 35 centimeters long and 2.5 to 8 centimeters wide. The cone-like, egg-shaped to cylindrical inflorescences are 6 to 10, rarely up to 12 centimeters long and have a diameter of 4.5 to 5.5 centimeters. The bracts are green to red.
The crown is densely hairy, rarely glabrous, the yellow labellum is tubular.
distribution
Costus comosus is native from southern Mexico via Costa Rica to Colombia and northern Venezuela.
Systematics
The species was first described by William Roscoe in 1807 .
One can distinguish between two varieties:
- Costus comosus var. Bakeri (K.Schum.) Maas : It occurs from southern Mexico to Ecuador.
- Costus comosus var. Comosus : It occurs from Costa Rica to Venezuela.
Web links
literature
- Anton Weber, Werner Huber, Anton Weissenhofer, Nelson Zamora, Georg Zimmermann: An Introductory Field Guide To The Flowering Plants Of The Golfo Dulce Rain Forests Costa Rica. In: Stapfia. Volume 78, Linz 2001, p. 129, ISSN 0252-192X / ISBN 3854740727 , PDF on ZOBODAT
Individual evidence
- ↑ a b c d Rafaël Govaerts (Ed.): Costus comosus. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved August 12, 2018.