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BOURGAEI   Hemsley, 1878

Distribution : Mexico : C Trans-Mexican Volcanic Belt, 2500 – 3300 m.

 

 

Description (according to 't Hart & Bleij in IHSP, 2003) :

 

Perennial subshrubs with erect, decumbent or pendulous, much branched, smooth stems, lateral branches papillose.

 

Leaves alternate, linear, obtuse, with a very short basal spur, sessile, terete or subterete, glabrous or minutely papillose, green, 5.3 – 23.5 x 1.2 – 2.4 mm, flowering branches erect.

 

Inflorescences terminal cymes with 2 – 3 monochasial branches.

 

Flowers 5-merous (rarely 4- or 6-merous), sessile or subsessile, sepals basally free, shortly spurred, unequal, lanceolate or oblong, obtuse, minutely spurred, green, 2 – 7.5 x ± 1 mm, petals lanceolate, acute or acuminate, mucronate, somewhat hooded, carinate, white with pale green to pink dorsal keel, ± 6.5 mm, spreading, anthers red.

 

Cytology : 2n = 58



Photo Ray Stephenson




Photos Meinolf Stützer



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