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Published In: Descriptiones plantarum novarum rariorumque a cl. Fedtschenko in turkestania nec non in Kokania lectarum auctore E. Regel 42. 1882. (Descr. Pl. Nov. Rar. Fedtsch.) Name publication detail

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: This species forms a very polymorphic complex and six subspecies are recognized from our area:


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Annual or perennial erect herb. Stem quadrangular, generally much branched from the base. Leaves opposite, linear-lanceolate, rarely narrowly ovate, membranous or flat, sometimes thickened and revolute; midrib distinct beneath. Inflorescence a sparingly much branched cyme; bract and bracteoles foliaceous much smaller than vegetative leaves. Flowers white, rose or lilac, 3-6 mm long, glabrous or hirsute, pedicels 1-5 mm long. Corolla-tube 1.5-4.5 mm long, usually 1.5-3 times longer than the lobes, lobes narrowly triangular. Anthers inserted at the mouth of corolla tube. Style 1-3 mm long, included, bifid, branches ± equal; stigmas 2, globose. Mericarps glabrous, puberulous or hirsute, oblong.

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1 Corolla 1.5-1.8 mm long (2)
+ Corolla 2.5-4.5 mm long (3)
2 (1) Corolla-tube 1.5 times longer than limb, white. Corolla and overy glabrous
+ Corolla-tube 2-3 times longer than the limb, dull pink. Corolla and overy shorly puberulous 3 Asperula oppositifolia Regel & Schmalh. subsp. oppositifolia
3 (1) Flowers glabrous
+ Flowers hirsute or puberulous (4)
4 (3) Flowers ± sessile, if pedicellate then pedicel less than 1 mm long (5)
+ Flowers pedicellate, pedicel 3-6 mm long 3 Asperula oppositifolia subsp. baltistanica
5 (4) Leaves broadly lanceolate-narrolwy elliptic, membranous. Inflorescence lax, elongated 3 Asperula oppositifolia subsp. cabulica
+ Leaves linear, ± coriaceous. Inflorescence congested, ± glomerate or flowers in dense fascicles 3 Asperula oppositifolia subsp. grandiflora
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