Equisetum myriochaetum
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Equisetum myriochaetum |
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| Equisetum myriochaetum | ||||||||||||
| Schltdl. & Cham. |
Equisetum myriochaetum is a species of horsetail ( Equisetum ). It is distributed from Mexico to Nicaragua and Costa Rica to Colombia , Venezuela , Ecuador and Peru . It is the largest species of the horsetail genus.
description
The stems of Equisetum myriochaetum reach heights of growth of 100 to 500 cm and diameters of 7 to 16 mm. The side shoots with six to 8 furrows are regularly arranged in whorls . The leaf sheaths at the nodes are 9 to 20 mm long, 6 to 18 mm wide and arranged cylindrically around the stem. The stomata lie in a row in the stalk grooves. The sporophyll stands have blunt tips.
Systematics
The first description of Equisetum myriochaetum was made in 1830 by Diederich Franz Leonhard von Schlechtendal and Adelbert von Chamisso in Linnaea: A journal for botany in its whole extent. fifth volume, Berlin 1830, pages 623-624. The holotype material was collected by CJW Schiede and F. Deppe in February 1829 in Veracruz, Mexico and deposited with the location reference Misantla, in sylvis humidis with the collection number 833 in IT: HAL-81867. A synonym for Equisetum myriochaetum Schltdl. & Cham. is Equisetum mexicanum Milde .
Equisetum myriochaetum belongs to the subgenus Hippochaete from the genus Equisetum
literature
- Julius Milde: Monographia Equisetorum In: Negotiations of the Imperial Leopoldino-Carolinian German Academy of Natural Scientists . Volume two and thirty (Volume four and twenty), Second Department, Blochmann, Dresden 1867, pp. 493–503, [1] and 1865 [2] scanned into biodiversitylibrary.org .
Web links
- Equisetum myriochaetum in the Encyclopedia of Life . Retrieved September 28, 2018.
Individual evidence
- ^ Vascular Plants of the Americas : Equisetum myriochaetum at Tropicos.org. In: 83 . Missouri Botanical Garden, St. Louis
- ↑ RL Hauke: Equisetum myriochaetum In: Flora Mesoamericana , online at www.tropicos.org
- ↑ Schlechtendal: Linnaea: A journal for botany in its entirety. fifth volume, Berlin 1830, p. 623, scanned into biodiversitylibrary.org .
- ↑ a b Equisetum myriochaetum at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed on November 11, 2018.