Table 1.

Results (K²) of the minimization process (method of the least sum of squared differences) between the calculated temperature according to four heat transfer models and the measured temperatures for the eight Philodendron species and for all the species

	Conductive heat transfer alone	Convective heat transfer alone	Radiative heat transfer alone	Convective and radiative heat transfers
Eight Philodendron species	38·9	729·6	1494·0	42·2
All species	81·9	1148·9	2630·6	84·7