BOTANICAL AND ECOLOGICAL CHARACTERISTICS
SPECIES: Draba fladnizensis | Arctic Draba 



GENERAL BOTANICAL CHARACTERISTICS : 
Arctic draba is a caespitose perennial which grows from 0.5 to 3.5
inches (1-9 cm) tall.  The basal leaves are 3 to 10 mm long.  The white
flowers are 2 to 3 mm long.  The oblong-ovate silicles are 3 to 6 mm
long.  There are 10 to 20 seeds per silicle, each under 1 mm long [5,9].


RAUNKIAER LIFE FORM : 
   Hemicryptophyte


REGENERATION PROCESSES : 
Arctic draba reproduces from seed sexually produced by pollination and
fertilization [2].


SITE CHARACTERISTICS : 
Arctic draba grows in alpine tundra on dry, open, rocky slopes and
ridges above timberline, often on the highest peaks [4,5,7,9,11,12].
Elevation in several western states has been reported as follows [2]:

        from 10,700 to 14,000 feet (3,260-4,265 m) in CO
                       11,000 feet (3,350 m) in MT
        from 10,700 to 12,600 feet (3,260-3,840 m) in UT
                       11,000 feet (3,350 m) in WY


SUCCESSIONAL STATUS : 
NO-ENTRY


SEASONAL DEVELOPMENT : 
Arctic draba blooms in July and August.  Mature fruit can probably be
found in late July [5,7].

Related categories for Species: Draba fladnizensis | Arctic Draba