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Orobanche alba Stephan ex Willd., 1800

Orobanche alba-Mount Vermion.jpg <b><i>Promachus sp.</b></i> Loew, 1848 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/17/20140217194534-e3c666ef-th.jpg>Thumbnails<i><b>Lomelosia argentea</i></b> (L.) Greuter & Burdet, 1985||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/14/20140214171750-ba5c326d-th.jpg><b><i>Promachus sp.</b></i> Loew, 1848 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/17/20140217194534-e3c666ef-th.jpg>Thumbnails<i><b>Lomelosia argentea</i></b> (L.) Greuter & Burdet, 1985||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/14/20140214171750-ba5c326d-th.jpg><b><i>Promachus sp.</b></i> Loew, 1848 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/17/20140217194534-e3c666ef-th.jpg>Thumbnails<i><b>Lomelosia argentea</i></b> (L.) Greuter & Burdet, 1985||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/14/20140214171750-ba5c326d-th.jpg><b><i>Promachus sp.</b></i> Loew, 1848 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/17/20140217194534-e3c666ef-th.jpg>Thumbnails<i><b>Lomelosia argentea</i></b> (L.) Greuter & Burdet, 1985||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/14/20140214171750-ba5c326d-th.jpg><b><i>Promachus sp.</b></i> Loew, 1848 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/17/20140217194534-e3c666ef-th.jpg>Thumbnails<i><b>Lomelosia argentea</i></b> (L.) Greuter & Burdet, 1985||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/14/20140214171750-ba5c326d-th.jpg><b><i>Promachus sp.</b></i> Loew, 1848 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/17/20140217194534-e3c666ef-th.jpg>Thumbnails<i><b>Lomelosia argentea</i></b> (L.) Greuter & Burdet, 1985||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2014/02/14/20140214171750-ba5c326d-th.jpg>

Orobanche alba Stephan ex Willd., 1800
Common names: Thyme broomrape [En], Orobanche blanche, Orobanche du thym [Fr], Quendel-Sommerwurz [De], Οροβάγχη η λευκή [Gr], Boğasak [Tu]

Mount Vermion, VERIA ● Greece

Description: Annual or biennial, 15-30 (-45) cm tall, glandular-pubescent, slender, brownish in appearance, very variable in size. The scales are usually 15-20 mm long, ovate-lanceolate. The spikes are usually 5-10 cm long, lax below.
The bracts are often c. as long as corolla-tube; the bracteoles absent. The calyx is 2-segmented, each segment, ovate-lanceolate, rarely shortly and unequally 2-fid above, c. as long as or a little shorter than the bract. The corolla is 15-18 (-20) mm long, campanulate, curved above at the back, neither constricted nor inflated below, straight, glandular-pubescent, pale to orange or reddish-brown; the lobes are unequal, upper erect, sub-hooded to straight, short, lower sub-spreading, crenulate. The stamens are inserted below on the corolla-tube, a little above the base; the filaments are glabrous, except the base; the anthers are sparsely pubescent to glabrous. The stigma-lobes are contiguous, reddish-brown.
The capsule is 6-10 mm long, ovoid.

Biology: Flowering from April to August. Parastic plant of Thymus sp.

Habitat: Calcareous soil, up to 1800 m.

Distribution: Most of Europe, C. and N. Asia, S.W. Asia, Afghanistan, Pakistan, up to China.

References:
Flora of Pakistan




Created on
Monday 24 June 2013
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