Question: Which genus of plant, Drosanthemum or Hyacinthella, is native to eastern and south-eastern Europe through to northern Iran, reaching as far south as Palestine?

Context paragraphs:
Drosanthemum: Drosanthemum ("dewflowers") is a genus of succulent plants in the ice plant family native to the winter-rainfall regions of southern Africa.  Most species bear colorful flowers.

Hyacinthella: Hyacinthella is a genus of bulbous flowering plants in the family Asparagaceae, subfamily Scilloideae (formerly the family Hyacinthaceae).  It is native to eastern and south-eastern Europe through to northern Iran, reaching as far south as Palestine.  Turkey is the main country in which species are found.

Dunsterforce: Established in December 1917, Dunsterforce was an Allied military force named after its commander, General Lionel Dunsterville.  The force had fewer than 350 Australian, New Zealand, British and Canadian officers and NCOs, drawn from the Western and Mesopotamian fronts.  The force was intended to organise local units in northern Iran and southern Caucasus, to replace the Tsarist armies that had fought the Ottoman armies in Armenia.  The Russians had also occupied northern Iran in co-operation with the British occupation of south Iran, to create a cordon to prevent German and Ottoman agents from reaching central Asia, Afghanistan and India.

Opigena polygona: Opigena polygona is a moth of the Noctuidae family.  It is found from the Netherlands, Sweden and Finland, through central and south-eastern Europe to central Asia, northern Iran, the Caucasus, Transcaucasia, Armenia, Turkey, Irkutsk, western and central China, Tibet, Nepal and northern India.

Chamaesphecia masariformis: Chamaesphecia masariformis is a moth of the Sesiidae family.  It is found in south-eastern Europe, Turkey, northern Iran, the Middle East, the Caucasus, southern Russia, Uzbekistan and Tajikistan.

Aphelia ferrugana: Aphelia ferrugana is a species of moth of the Tortricidae family.  It is found in central and south-eastern Europe, the south-eastern part of European Russia, Ukraine, the Caucasus, Asia Minor, Syria, Iraq and Iran.

Watsonarctia deserta: Watsonarctia deserta (="Arctia casta") is a moth of the Arctiidae family.  It is found in central and south-eastern Europe, southern Russia, southern Siberia east to Baikal Lake; also in Asia Minor, Armenia, Azerbaijan, northern Iran, Kazakhstan, Kyrghyzstan and Chinese Xinjiang.

Akbesia: Akbesia is a genus of moths in the Sphingidae family, containing only one species, the Pistacia hawkmoth, Akbesia davidi, which is known from southern Turkey, northern Syria, northern Israel, western Jordan, south-eastern Turkey, north-eastern Iraq, south-eastern Georgia, northern Iran, eastern Afghanistan and Iranian Beluchistan.  It may also occur across Azerbaijan, the Alborz Mountains of northern Iran, the Zagros Mountains of western and southern Iran, and northern Afghanistan.  It often occurs in large numbers at certain sites in rocky, hilly areas supporting scattered trees and shrubs of "Quercus", "Olea", "Ceratonia" and "Pistacia".

Samovar: A samovar (Russian: самовар , ] ; literally "self-boiler", Azerbaijani: samovar, Turkish: semaver) is a heated metal container traditionally used to heat and boil water in and around Russia as well as in other countries: Central Europe, South-Eastern Europe, Eastern Europe, Iran, Kashmir and the Middle-East.  Since the heated water is typically used to make tea, many samovars have a ring-shaped attachment (Russian: конфорка ) around the chimney to hold and heat a teapot filled with tea concentrate.

Buxus sempervirens: Buxus sempervirens, the common box, European box, or boxwood, is a species of flowering plant in the genus "Buxus", native to western and southern Europe, northwest Africa, and southwest Asia, from southern England south to northern Morocco, and east through the northern Mediterranean region to Turkey. " Buxus colchica" of western Caucasus and "B. hyrcana" of northern Iran and eastern Caucasus are commonly treated as synonyms of "B. sempervirens".

Supporting paragraphs: Drosanthemum Hyacinthella
Answer: Hyacinthella