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'Rosa chavinii Reut.' rose References
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Book  (2001)  Page(s) 542.  Includes photo(s).
 
Rosa chavinii Reut. Chavins Rose..Foliage glabrous on both sides, edged bluish, usually doubly serrated. Petioles not pubescent, but often with glands and sickle-shaped prickles. Peduncles with footed glands and often also with glandular bristles. Sepals reflex after blooming, fall off before ripening of hips. June-July. Rocky slopes, stone mounds, bushes, hilly-mountaneous. Valais, southern Ticino, scattered in Geneva, Neuchatel...
Article (magazine)  (1897)  Page(s) 135-136.  
 
R. Chavini Rap.

a. Feuille. — Poils simples nuls ou rares à la face supérieure de la base du pétiole. Poils glandulifères nuls ou assez rares sur le pétiolule. Épidermes recticurvilignes, le supérieur à cellules grandes, d'une épaisseur de 23-24 μ; l'inférieur à cellules grandes, rarement moyennes, d'une épaisseur de 16-20 μ. Stomates d'une longueur de 33-34 μ, plus grands que les cellules environnantes ou au moins égaux à elles. Mésophylle bifacial, d'une épaisseur de 108-143 μ, composé de 6-7 assises, les 2 supérieures transformées en palissades remplissant 1/2-2/3 de l'épaisseur totale. Parenchyme spongieux lacuneux. Fibres péridesmiques à l'extérieur des faisceaux des nervures et du pétiolule.

b. Tige. — Fibres libériennes dans la 1/2 externe du liber. Moelle à cellules grandes ou moyennes.

c. Pédoncule floral. — Moelle à cellules grandes ou 1res grandes.
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