Table 6.

Flower visitor diversity (Diptera families and genera) of Ceropegia taxa in the Arabian Peninsula contrasted with other biogeographic regions

Ceropegia taxa	Region	No. of accessions	No. of families	No. of genera
C. aristolochioides ssp. deflersiana	Arabian Peninsula	9	15	18
C. aristolochioides ssp. aristolochioides	East Africa	7	6	6
C. arabica var. abbreviata	Arabian Peninsula	2	1	1
C. bulbosa	Asia	2	1	1
C. arabica var. arabica	Arabian Peninsula	3	2	2
C. arabica var. superba	Arabian Peninsula	3	1	1
C. arabica var. powysii	East Africa	4	3	5
C. variegata	Arabian Peninsula	1	1	1
C. variegata	East Africa	1	1	1