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Table 2 Phyllotactic parameters with standard error

From: Isolating phyllotactic patterns embedded in the secondary growth of sweet cherry (Prunus avium L.) using magnetic resonance imaging

Parameter

Value

Number of primordia

36

Handedness

Counterclockwise

Divergence angle (d)

\({142.928}^{\circ } \pm {1.181}^{\circ }\) (2.495 rad ± 0.021 rad)

Divergence fraction (\(d^*\))

0.397 ± 0.003

Average rise (r)

2.896 cm ± 0.182 cm

Visible and opposed parastichy pairs

(1,2), (2,3), (3,5), (5,8)

Parastichy numbers

1, 2, 3, 5, 8

Conspicuous parastichy pair

(2,3)

Conspicuous phyllotactic fraction

\(F_3/F_5 = 2/5\)

Number of orthostichies

5

  1. The “handedness” of the system is the direction of the genetic spiral starting from the bottom of the sample. The families of parastichies alternate between clockwise and counterclockwise direction
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Plant Methods

ISSN: 1746-4811