It appears to me that for the absence of any liquid matter in them, of any heat, of any earth, of any wind, and of any empty space, trees cannot be considered as compounds of the five primary elements.
अद्रवत्वादनग्नित्वादभूमित्वादवायुतः। आकाशस्याप्रमेयत्वाद् वृक्षाणां नास्ति भौतिकम्॥