Title: Fluorochromy pou
1Nuclear DNA amounts in Macaronesian Angiosperms
Jan Suda Department of Botany, Faculty of
Science, Charles University Institute of Botany,
Academy of Sciences of the Czech Republic
2B a s i c d a t a
3M a c a r o n e s i a n f l o r a
Total number of species ca 2 500 Endemic
species ca 600 Endemic genera ca 31 - high
proportion of woody life-forms - many taxa
succulent - low frequency of geophytes,
annuals - recent diversification (adaptive
radiation, vicarization, inter-island
differentiation)
4F C M a s s a y s
5R e s u l t s
6C - v a l u e s c o m p a r i s o n
very small (lt 1.4 pg) small (1.4 1- 3.5
pg) intermediate (3.51 - 14 pg) large (14.01 - 35
pg) very large (gt 35.01 pg)
7C - v a l u e s c o m p a r i s o n
Database
Macaronesia Min 0.17 0.19 Max 127.4
9.52 Range 750 50 Mean 6.34
1.97 Median 2.9 1.02 Mode 0.55
0.51 n 3478 241
8Correlation with environmental conditions
Altitude Rainfall Temperatur
e Argyranthemum (n7) - -
Silene (n4) (-) -
Micromeria (n4) (-) -
Crambe (n4) - Sonchus
(n3) -
9W h e r e f i n d m o r e . . .
Suda J., Kyncl T. Freiová R. (2003) Nuclear
DNA amounts in Macaronesian Angiosperms. Annals
of Botany 92/1 153-164.
Suda J. Kyncl T. (xxxx) Nuclear DNA amounts
in Macaronesian Angiosperms - forty percent of
the endemic flora finished (in prep.) Suda J.
(xxxx) Macaronesian angiosperms selection
towards very small genomes (in prep.)
Future intentions Comparative study of plant
C-value variation in Havaiian and Galapagos
archipelagos
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