Table 1 Comparison of qualitative morphological traits of presence or absence of hairs on the leaf abaxial side, basal leaves and reddish leaf and stem of reproductive individuals among Rumex obtusifolius, R. longifolius and their hybrids.

From: Hybridization between alien species Rumex obtusifolius and closely related native vulnerable species R. longifolius in a mountain tourist destination

Species

Hairs on leaf abaxial side

Reddish leaf and stem

Basal leaves

Absence

Presence

Absence

Presence

Absence

Presence

R. longifolius

56

0

41

15

9

47

R. obtusifolius

1

108

2

107

109

0

Hybrid

0

28

0

28

24

4

χ2

188.2***

118.2***

136.5***

  1. Species was identified, based on morphological traits of mature fruits. The values are the numbers of individuals of presence and absence of the three characteristics and their χ2 values (d.f. = 2).
  2. ***P < 0.001.
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