TABLE 1 in Culm anatomy of the genus Otatea (Poaceae, Bambusoideae, Bambuseae, Guaduinae) as a contribution to Mexican species identification

TABLE 1. Comparison of selected culm cross section characters of Otatea.
SpeciesCulmEpidermisCortexCentral vascular bundlesSilica bodies (area, µm2)Length, µmLength, µmLayersVascular cyclessize (μm, width × length)ShapeAmorphousConicalO. acuminata AGSSolid12 (11–12)70 (66–77)5–68–9488 (456–509) × 444 (432–463)Elliptical70 (33–97)30 (17–43)O. acuminata JALSolid10 (8–12)41 (37–45)5–69–10287 (255–318) × 288 (255–301)Ovate86 (61–115)-O. acuminata OAXSolid12 (10–14)43 (39–47)4–511–12426 (410–458) × 392 (380–406)Ovate49 (27–65)17 (13–26)O. acuminata VERSolid11 (10–11)34 (30–40)3–410–11484 (477–488) × 446 (427–466)Elliptical122 (64–184)17 (12–22)O. carrilloiHollow14 (11–16)61 (58–67)5–610–11439 (418–475) × 451 (411–504)Ovate90 (75–115)-O. fimbriataSolid12 (11–13)73 (69–76)6–711–12556 (511–615) × 615 (561–669)Elliptical127 (108–147)20 (13–23)O. glaucaHollow12 (10–15)52 (49–57)4–58–9462 (300–570) × 362 (300–432)Ovate187 (178–195)6 (4–7)O. ramireziiSolid11 (10–13)28 (25–31)3–49–10275 (245–309) × 297 (256–317)Ovate-26 (20–35)O. reynosoanaHollow11 (10–12)27 (24–30)3–45–6249 (218–279) × 351 (346–355)Depressed78 (61–94)11 (9–13)O. rzedowskiorumSolid9 (8–10)23 (19–26)3–45–6180 (167–198) × 260 (243–281)Depressed-8 (7–9)O. transvolcanicaSolid12 (12–13)72 (65–81)6–710–11468 (443–485) × 269 (237–294)Elliptical54 (26–68)-O. victoriaeHollow15 (13–16)48 (42–55)4–59–10357 (321–396) × 353 (321–384)Ovate58 (57–60)9 (7–10)O. ximenaeSolid12 (9–13)30 (27–33)35–6309 (280–325) × 304 (261–330)Ovate-10 (6–12)O. sp. nov. 1Solid17 (14–19)27 (23–31)310–11336 (303–369) × 331 (303–360)Ovate168 (155–180)-O. sp. nov. 2Solid22 (20–23)84 (73–93)3–49–10445 (413–482) × 315 (298–342)Elliptical173 (120–232)26 (22–32)