352
1152
Involucre of heads 12-
15 mm wide,
completely covered by
the appendages of
scales
Centaurea
nigrescens Willd.
subsp. transalpina
(Schleich. ex DC.)
Nyman
1152
Involucre 6-12 mm
wide, not completely
covered by the
appendages
1153
1153
Undivided part of the
appendages < 2 mm
wide, the terminal
cilium shorter than the
lateral ones
Centaurea
nigrescens Willd.
subsp. nigrescens
1153
Undivided part of the
appendages > 2 mm
wide, the terminal
cilium longer than the
lateral ones
Centaurea
subjacea (Beck)
Hayek
1154
Inflorescence a simple
or compound umbel
1155
1154
Inflorescence not an
umbel
1173
1155
Inflorescence a
compound umbel (an
umbel of umbels)
1156
1155
Inflorescence a simple
umbel
1158
1...,342,343,344,345,346,347,348,349,350,351 353,354,355,356,357,358,359,360,361,362,...444