ORNAMENTAL PLANTS OF HORTICULTURE VALUE

Selection of perennials

A genus of three species; two in the Caucasus and one in Anatolia

G. macrocephala (Muss.Puschk. ex Willd.) Sosn. et Takht. (Centaurea macrocephala Muss.-Puschk.).

Caucasus (Transcaucasus) and Anatolia. Open places in forest of upper mountain zone, in tall herbaceous community.

Taprooted plant, stems 80-110 cm. Basal leaves shortly petiolate, elongate, stem leaves sessile, upper leaves linear. Median stem leaves 5-20 cm x 2-10 cm. Capitula up to 6 cm diam. Marginal flowers bright yellow. V - May to September. Fl - June-July. Fr - June-August. P - by seed and by division of mature specimens. Best for group planting in a sunny position. Z 4.

Of the same use is G. polyphylla (Ledeb.) Holub. Western and eastern Caucasus and soutern Transcaucasus. Stems sparsely branched, 150 cm. Used likewise. Z 4. New.