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Published In: Voyage botanique dans le midi de l'Espagne 2: 274. 1839. (Voy. Bot. Espagne) Name publication detail
 

Project Name Data (Last Modified On 9/27/2011)
Acceptance : Accepted
Project data     (Last Modified On 2/20/2012)
Nomenclature:

Viscum cruciatum Sieber ex Boiss., Voy. Bot. Midi Esp. 2: 274 (1840); Boiss., Fl. Orient. 4: 1068 (1879). Types: Palaestina and India Orientalis (?). [Plate 47]

Common name:

Oriental Mistletoe; דבקון הזית.

Habitat:

Shoot-parasite of trees and shrubs, mainly in the mesic parts of Israel and Jordan. Philistean Plain, Upper and Lower Galilee, Samaria (common), Judean Mts. (common), Gilead, Ammon, Moav, Edom.

Area distribution:

Mediterranean. Very disjunct: Palestine, Saudi-Arabia, Algeria, Morocco, S. Portugal, Spain.

Notes:

     Parasitic mainly on Olea, but also on: Rhamnus, Crataegus, Rubus, Amygdalus, Robinia, Citrus, etc.     Sometimes  heavily damaging olive trees. Apparently self-compatible but supposedly pollinated also by flies. Fruits dispersed by birds. The seeds are rooted to the host's branch by their hypocotyle, then the developing branches send hustoria to the xylem. Cytologically, this species features very large chromosomes and gender dimorphism. A related species, V. album L. is still considered a medicinal plant.


 

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     Perennial, dioecious plant. Branches opposite, woody, brittle, terete. Leaves up to 5 x 0.5-1.5 cm., short-petioled, fleshy-leathery, oblong, tapering at base, obtuse, obscurely 3-nerved. Flowers usually 2-4 at each node, short-pedicelled or subsessile, green. Staminate flowers with 4 sepals up to 9 mm. long and without corolla; stamens 4, with linear-lanceolate, many-celled anthers, concreseent with calyx lobes. Pistillate flowers 1-2 mm.; calyx obsoletely 4-dentate; corolla of 4 scaly petals. Berry 4-6 mm. in diam., globular, umbonate, red, viscid. 2n = 20. Fl. February-May (-September).

 

 

 
 
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