Pagina 262 - Flora of the Southern Carnic Alps

262
857
Flowers arranged in 1-
4 dense heads. Bract
slightly longer or
shorter than the
inflorescence
Juncus jacquinii L.
857
Flowers solitary or
arranged in clusters of
2-4. Bracts 2-4,
thread-like, much
longer than the
inflorescence
858
858
Flowers arranged in
clusters of 2-4. Basal
leaves with a yellow-
brown, matt sheath.
On siliceous substrates
Juncus trifidus L.
subsp. trifidus
858
Flowers solitary (1 or
2 per stem). Basal
leaves with a brown,
shiny sheath. On
calcareous substrates
Juncus trifidus L.
subsp. monanthos
(Jacq.) Asch. &
Graebn.
859 Plant robust, reed-like 860
859 Plant not reed-like 861