Otatea victoriae, Ruiz-Sanchez, 2015
publication ID |
https://doi.org/ 10.11646/phytotaxa.609.2.1 |
DOI |
https://doi.org/10.5281/zenodo.8272253 |
persistent identifier |
https://treatment.plazi.org/id/03AD87BF-FFF9-0C14-FF45-2BB7FA43FE72 |
treatment provided by |
Plazi |
scientific name |
Otatea victoriae |
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Otatea victoriae View in CoL View at ENA ( Fig. 13 View FIGURE 13 )
Material examined: — MEXICO. Hidalgo: Cardonal, Tolantongo-Metztitlán dirt road, 5 km east of the junction to the road that leads to Tolantongo , 20°37’38.1”N, 98°57’31.3”W, 1775 m, 2 February 2020, E GoogleMaps . Ruiz-Sanchez & M. A . García-Martínez 647 ( IBUG!) .
Culm anatomy description: —Culm hollow with wide lacuna occupying> 50% of the total diameter. Epidermis with a layer of axially elongated lignified cells, 15 µm length, with frequent squared to rectangular silica bodies on top ( Fig. 15B View FIGURE 15 ). Cortex with 3–5 layers of thick-walled rounded cells, the outer layer with slightly narrower cells(48 µm length; Fig. 15B View FIGURE 15 ). Vascular bundles in 9–10 alternating cycles. Peripheral, transitional, and central vascular bundles surrounded by a sclerenchyma sheath defining their contour ( Figs. 15C–E View FIGURE 15 ). Ovate central vascular bundles, 357 × 353 μm; two round shaped metaxylem vessels, 81 × 87 μm; phloem with sieve tubes and companion cells located between two metaxylem vessels on the upper level, 87 × 104 µm; sieve tubes 22 × 21 µm ( Fig. 15A View FIGURE 15 ). Scarce amorphous silica bodies embedded along the periphery of vascular bundles occupying cellular spaces covering a mean area of 58 µm 2. Sporadic conical silica bodies across the ground tissue occupying intercellular spaces covering a mean area of 9 µm 2.
E |
Royal Botanic Garden Edinburgh |
M |
Botanische Staatssammlung München |
A |
Harvard University - Arnold Arboretum |
IBUG |
Universidad de Guadalajara |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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