Table 1 Morphological characteristics of the tripsazea along with its parental species
CHARACTERZ. maysT. dactyloidesZ. perennisTRIPSAZEA
Life cycleAnnualPerennialPerennialPerennial
RhizomeAbsentPresentPresentAbsent
Female spike enclosed in husksEnclosedNakedEnclosedEnclosed
Pedicelle on second male spikeletPedicelledSessilePedicelledPedicelled
Seeds enclosed in shellNakedEnclosedEnclosedHalf-naked
Tiller number0.30 ± 0.67d49.10 ± 12.08a38.90 ± 9.80b12.60 ± 4.40c
Leaf width (cm)5.87 ± 0.44a1.81 ± 0.17d2.67 ± 0.45c4.50 ± 0.64b
Leaf Length (cm)58.20 ± 7.36b112.07 ± 25.98a36.55 ± 8.20c59.57 ± 10.87b
No. ears per stem1.00 ± 0.00c8.70 ± 2.36b7.10 ± 1.66b14.00 ± 5.19a
No. ovules per ear141.40 ± 24.14a10.00 ± 1.76b6.20 ± 0.42b15.30 ± 4.22b
No. branches per tassel8.0 ± 1.83aAbsent2.5 ± 1.08c4.4 ± 1.43b
Branching of lateral inflorescenceAbsent3.30 ± 1.16b4.90 ± 2.42a6.20 ± 0.79a
Silk length (mm)15.93 ± 2.35a2.24 ± 0.32d4.91 ± 1.08c9.70 ± 1.95b
Height of main tiller (cm)112.00 ± 8.63d211.60 ± 33.26b183.60 ± 12.08c250.20 ± 22.20a
Stem diameter (mm)16.24 ± 2.54a10.45 ± 1.53b12.07 ± 2.65b16.77 ± 1.94a
No. row functional pistillate spikelets8, 10, or 12224
  • Data are mean ± SD. Different letters in a row mean significant difference between means at α = 0.05 level according to Duncan’s multiple range test.