Cryptocarya (Moraes, 2007)

Moraes, Pedro Luís Rodrigues De, Ribeiro, Henrique Lauand & Neto, Carlos Alberto Moysés, 2022, Leaf cuticle in Brazilian species of Cryptocarya (Lauraceae), Phytotaxa 571 (2), pp. 112-140 : 116-117

Key to the Brazilian species of Cryptocarya , based on leaf cuticle characters

1. Epidermal non-specialised cells with anticlinal walls straight to slightly curved adaxially, but never undulate...............................2

– Epidermal non-specialised cells with anticlinal walls variably undulate to sinuate adaxially, sometimes intermingled with straight and/or curved ones..............................................................................................................................................................................4

2. Epidermal non-specialised cells of almost equal size on both surfaces to larger abaxially, anticlinal walls strictly undulate abaxially, stomatal surface appearance type PD............................................................................................................................ C. botelhensis

– Epidermal non-specialised cells strictly of almost equal size on both surfaces, anticlinal walls straight to curved to undulate abaxially, stomatal surface appearance type AF to PC.......................................................................................................................3

3. Anticlinal walls straight to curved abaxially, stomatal surface appearance type AF ..................................................... C. citriformis

– Anticlinal walls curved to undulate abaxially, stomatal surface appearance type AF to PC............................................... C. saligna

4. Epidermal non-specialised cells strictly of almost equal size on both surfaces.................................................................................5

– Epidermal non-specialised cells of almost equal size on both surfaces to/or larger or smaller adaxially..........................................7

5. Anticlinal walls strictly undulate adaxially .................................................................................................................... C. sellowiana

– Anticlinal walls non strictly undulate adaxially .................................................................................................................................6

6. Anticlinal walls straight to curved to undulate adaxially, predominantly straight to curved abaxially .................... C. mandioccana

– Anticlinal walls undulate to sinuate adaxially, curved to undulate abaxially................................................................... C. moschata

7. Epidermal non-specialised cells of almost equal size on both surfaces to/or larger abaxially...........................................................8

– Epidermal non-specialised cells of almost equal size on both surfaces to larger adaxially ............................................ C. riedeliana

8. Epidermal non-specialised cells strictly larger abaxially ...................................................................................................................9

– Epidermal non-specialised cells non strictly larger abaxially ..........................................................................................................10

9. Anticlinal walls strictly undulate adaxially, stomatal ledge butterfly-shaped, stomatal surface appearance type PD......................... .................................................................................................................................................................................. C. subcorymbosa

– Anticlinal walls curved to undulate adaxially, stomatal ledge lip-shaped, stomatal surface appearance type AF to PC..................... ......................................................................................................................................................................................... C. wiedensis

10. Anticlinal walls strictly sinuate adaxially, curved to undulate to sinuate abaxially....................................................... C. guianensis

– Anticlinal walls not strictly sinuate adaxially, with a different degree of flange undulation abaxially ...........................................11

11. Anticlinal walls undulate to sinuate adaxially..................................................................................................................................12

– Anticlinal walls undulate to curved (to straight) adaxially ..............................................................................................................13

12. Anticlinal walls straight to curved abaxially, surface appearance of epidermal periclinal walls flat to protruding upward to papillose, stomatal surface appearance type AF to PD.................................................................................................................... C. micrantha

– Anticlinal walls undulate to curved abaxially, surface appearance of epidermal periclinal walls flat to protruding upward, stomatal surface appearance type PD............................................................................................................................................. C. velloziana

13. Anticlinal walls undulate to curved to straight adaxially, undulate to curved to straight abaxially.................. C. aff. aschersoniana

– Anticlinal walls undulate to curved adaxially, curved to undulate abaxially ........................................................... C. aschersoniana