Hieracium heldreichii
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| Hieracium heldreichii | ||||||||||||
| Boiss. |
Hieracium heldreichii is a species of hawkweed ( Hieracium ) in the sunflower family (Asteraceae).
features
Hieracium heldreichii is a perennial rosette or stem hemicryptophyte that reaches heights of 10 to 36 centimeters. The stem has little to many star hairs that do not overlap. At its base there is a shaggy hair made of toothed hair, which becomes thinner towards the top, but thicker again under the flower head. The leaves are more or less dense at the bottom. The basal leaves are more thinly haired and briefly or suddenly narrowed. The shell is 10 to 12.5 millimeters long. Simple, serrated hairs and star hairs can be found on the bracts, which are at least partially unevenly distributed and concentrated on the tip or the base. The acladium is 50 to 215 millimeters long.
The flowering time is in July.
The number of chromosomes is 2n = 36.
Occurrence
Hieracium heldreichii occurs on the Greek mainland and in the South Aegean. In Crete, the species grows in the Lefka Ori on rocks and stony slopes at altitudes of 1,800 meters.
Systematics
One can distinguish the following subspecies:
- Hieracium heldreichii Boiss. subsp. heldreichii : It occurs in Greece and Macedonia.
- Hieracium heldreichii subsp. bandericicola Pawł. : It occurs in Bulgaria.
- Hieracium heldreichii subsp. barbatiform (sword & tooth) tooth : It occurs in Bulgaria.
- Hieracium heldreichii subsp. bulgaricum (Freyn) Zahn : It occurs in Bulgaria and Serbia.
- Hieracium heldreichii subsp. charrelianum tooth : It occurs in Greece.
- Hieracium heldreichii subsp. goniocraspedum T. Georgiev & Zahn : It occurs in Bulgaria.
- Hieracium heldreichii subsp. pogonanthelum tooth : It occurs in Bulgaria.
- Hieracium heldreichii subsp. pseudopilosissimum tooth : It occurs in Serbia.
literature
- Ralf Jahn, Peter Schönfelder: Excursion flora for Crete . With contributions by Alfred Mayer and Martin Scheuerer. Eugen Ulmer, Stuttgart (Hohenheim) 1995, ISBN 3-8001-3478-0 , p. 342 .