Table 3.

Triterpenoid membrane and cuticular metabolites highlighted in Fig. 7

Module label	Identification	module	symbol
V185	3β,19α-dihydroxy-urs-12-en-28- oic acid (pomolic acid)a	brown	large square
V238	3β-?-p-coumaroyloxy-hydroxy-urs-12-en-28-oic acid	brown	large square
V244	3β-cis-p-coumaroyloxy-2α-hydroxy-urs-12-en-28-oic acida	brown	large square
V396	3β-p-coumaroyloxy-dihydroxy-urs-12-en-28-oic acid	brown	large square
V148	3-oxo-1,19α-dihydroxy-urs-12-en- 28-oic acid (annurcoic acid)a	pink	large square
V241	3β-trans-p-coumaroyloxy-2α-hydroxy-urs-12-en-28-oic acid	brown	large square
V217	α-amyrin linolenate	black	large square
V225	α-amyrin linoleate	black	large square
V227	α-amyrin myristate	black	large square
V40	unknown pentacyclic triterpenol	turquoise	small square
V235	ursolic aldehyde	brown	small square
V237	unknown pentacyclic triterpenol	brown	small square
V251	unknown pentacyclic triterpenol	brown	small square
V253	unknown pentacyclic triterpenol	brown	small square
V257	unknown pentacyclic triterpenol	brown	small square
V260	unknown pentacyclic triterpenol	brown	small square
V263	unknown pentacyclic triterpenol	brown	small square
V405	unknown pentacyclic triterpenol	brown	small square
V406	unknown pentacyclic triterpenol	brown	small square
V426	unknown pentacyclic triterpenol	brown	small square
V242	unknown pentacyclic triterpenol	yellow	small square
V243	unknown pentacyclic triterpenol	red	small square
V403	unknown pentacyclic triterpenol	turquoise	small square
V383	unknown pentacyclic triterpenol	brown	small square
V261	unknown pentacyclic triterpenol	brown	small square
V116	p-coumaryl stearatea	turquoise	triangle
V130	p-coumaryl eicosanoate	turquoise	triangle
V146	p-coumaryl docosanoate	turquoise	triangle
V265	p-coumaryl oleate	turquoise	triangle
V272	p-coumaryl linoleate/p-coumaryl palmitate mix	turquoise	triangle
V292	coumaryl heinicosanoate	turquoise	triangle
V326	p-coumaryl linolenate	turquoise	triangle
V438	coumaryl ester	turquoise	triangle
V445	coumaryl eicosanoate	yellow	triangle
V167	p-coumaryl heinicosanoate	yellow	triangle
V461	coumaryl ester	yellow	triangle
V486	coumaryl ester	yellow	triangle
V499	coumaryl ester	yellow	triangle
V84	coumaryl linoleate	yellow	triangle
V202	Ursolyl eicosanoate	red	circle
V535	Ursolyl stearate	red	circle
V70	Ursolyl linolenatea	turquoise	circle
V506	Ursolyl oleate	turquoise	circle
V8	Ursolyl docosanoate	red	circle
V15	Ursolyl heinecosanoate	turquoise	circle

^aSee Additional file 2: Table S2 for information supporting identification

List includes compounds tentatively identified using mass spectral interpretation and/or comparison or those classified as a certain class of compound (italicized). The module label, color, and symbol are also indicated