Table 3 Mean (SE) values for glandular trichome density (# mm−2) and proportion (%) of deteriorated glandular trichomes on the adaxial surface of Rhododendron tomentosum (RT) leaves and stems in June and August 2017. n = 4. expect n = 2 for stem age classes 2015 and 2017 in August.

From: Understorey Rhododendron tomentosum and Leaf Trichome Density Affect Mountain Birch VOC Emissions in the Subarctic

 

June

August

Age class

Age class

2015

2016

2015

2016

2017

Trichome density

Leaves

3.2 (0.7)

5.5 (0.6)

8.0 (1.2)

10.4 (1.2)

Stem

17.2 (2.5)

21.3 (2.2)

15.4 (4.5)

17.1 (1.8)

27. 9 (18.1)

Deteriorated trichomes

Leaves

99.5 (0.49)

86.1 (7.8)

93.3 (2.4)

15.2 (11.7) 0

Stem

48.2 (24.4)

4.0 (1.8)

13.3 (6.7)

1.7 (1.1)

0 (0)