Adansonia digitata and Adansonia gregorii fruit shells serve as a protection against high temperatures experienced during wildfires

Botanical Studies

Table 1 Germination rates (GR) of A. digitata

Heat treatment		GR (%) (upper, lower side)
Average of T_max of inner tc’s (°C) (SD)	Heat exposure time (min:s)	GR (%) (upper, lower side)
76 (25)	06:25	3 (0, 6)
198 (103)	12:00	15 (24, 6)
445 (173)^a	10:00	25 (34, 16)
Control
No treatment		0
15 min H₂SO₄		76
40 min hot water, 70 °C		16
3 days cold water		2

^aLocal smouldering in fruit 3 led to extreme divergent temperatures (maximum of 595 °C at central tc)