Euphorbia ammak Schweinf.-대극각금

국표에는 없다.

 

Euphorbia ammak is a species of plant in the family Euphorbiaceae. It is found in Saudi Arabia and Yemen.

Euphorbia ammak - Wikipedia

 

Origin and Habitat: Yemen, Saudi Arabia peninsula.
Altitude range: 1,000 and 1,500(2,500?) metres above sea level.
Habitat: Euphorbia ammak grows in rockier areas in planes and in steep hillsides and thorny bush-lands, and once an important component of the succulent shrubland. It has now become scarce, particularly in Saudi Arabia and South Yemen, although it remains common in places in North Yemen.

Synonyms:

• Euphorbia ammak Schweinf.

Common Names include:
ENGLISH: Candelabra Spurge, African candelabra
RUSSIAN (Русский): Молочай аммак

Description: Euphorbia ammak is a striking Euphorbia of massive stature that resembles to Euphorbia candelabra but It branches but not profusely. It is a typical representative of large, tree-like Euphorbias that can grow up to 10 m tall with a short trunk, it is superficially similar to some new world Cacti. The upright broadly obconical crown of this plant make it looks like a a branched candelabra.
Stem: Erect, stout, 10-15 cm wide. The branches starting about 60 cm and arches upward.
Ribs: Thick, undulate, usually four-winged, dark-green, with situate teeth 1 cm apart.
Spines: Up to one cm long. Brown, paired, horn shaped, obtriangular, and quite separate.
Leaves: In the right climate (wet and warm at the same time) it will produce simple lancelote leaves near the top of each branch. These leaves are much larger and more prominent in the green form than in the variegated/yellow forms. On the seedling they are up to 40 mm long and 7 mm wide, but in the young shoots they are smaller.
Flowers: Solitary subsessile cymnes above the pair of spines, yellow-green, approx 1 cm in diameter, fleshy, with 5 glands. Female flowers carry a three part pistil over a three part ovary, producing three or sometimes more seeds.
Fruits: Green, 2-3 loculed, 3 mm in diameter smooth.
Remarks: There is a commonly cultivated variegated version called (in the U.S.A.) Euphorbia ammak “variegata” , but this plant is more properly Euphorbia erythraeae f. variegata. which has a cream-yellow and pale blue-green marbled appearance with dark, brown spines.

Euphorbia ammak (llifle.com)